20A/24W

Technical
Specification
IQ24xxxSKXxxx
18-36V
1.2-15V
26W
2250Vdc
Sixteenth-brick
Continuous Input
Outputs
Max Power
Isolation
DC-DC Converter
IQ
D 24
18 C - D 0 1
-3 C 2 S
6V C K
C
IN
1. O N 2 0
2V V N
OU E R R S
T@ T
20 E R G
A
The InQor® Sixteenth-brick converter series is
composed of next-generation, board-mountable,
isolated, fixed switching frequency dc-dc converters
that use synchronous rectification to achieve
extremely high power conversion efficiency. Each
module is supplied completely encased to provide
protection from the harsh environments seen in many
industrial and transportation applications.
Operational Features
•
•
•
•
•
High efficiency, 86% at full rated load current
Delivers full power with minimal derating - no heatsink required
Operating input voltage range: 18-36V
Fixed frequency switching provides predictable EMI
No minimum load requirement
Protection Features
Mechanical Features
Mechanical Features
• Industry standard Sixteenth-brick pin-out configuration
• Size: 1.436" x 1.036" x 0.500" (36.47 x 26.31 x 12.70 mm)
• Total weight: 1.1 oz (31 g)
•
•
•
•
•
Input under-voltage lockout
Output current limit and short circuit protection
Active back bias limit
Output over-voltage protection
Thermal shutdown
Control Features
• On/Off control referenced to input side
• Remote sense for the output voltage
• Output voltage trim range of -10%, +10%
Safety Features
•
•
•
•
UL 60950-1/R:2011-12 Basic Insulation
CAN/CSA-C22.2 No. 60950-1/A1:2011
EN 60950-1/A12:2011
RoHS compliant (see last page)
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
CONTENTS
Page No.
Family Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . . 4
1.5Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . . 6
1.8Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . . 8
2.5Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . 10
3.3Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . 12
5.0Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . 14
7.0Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . 16
12Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . 18
15Vout Electrical Characteristics & Figures . . . . . . . . . . . . . . . . . . . . . 20
Application Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Standards & Qualification Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Standard Mechanical Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Flanged Mechanical Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 1
Technical
Specification
IQ24xxxSKXxxx
IQ24-SK Family Electrical Characteristics (all output voltages)
Ta = 25°C, airflow rate = 300 LFM, Vin = 24Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
-1
50
Operating
36
Operating Transient Protection
50
Isolation Voltage
Input to Output
2250
Input to Base-Plate
2250
Output to Base-Plate
2250
Operating Temperature
-40
100
Storage Temperature
-45
125
Voltage at ON/OFF input pin
-2
8
INPUT CHARACTERISTICS
Operating Input Voltage Range
18
24
36
Input Under-Voltage Lockout
Turn-On Voltage Threshold
16.3
17.0
17.7
Turn-Off Voltage Threshold
14
15
16
Lockout Voltage Hysteresis
2.0
Recommended External Input Capacitance
100
Input Filter Component Values (L\C)
0.47\5
DYNAMIC CHARACTERISTICS
Turn-On Transient
Turn-On Time
35
Start-Up Inhibit Time
180
200
250
Power-Up Inhibit Time
2
Output Voltage Overshoot
0
ISOLATION CHARACTERISTICS
Isolation Voltage (dielectric strength)
Isolation Resistance
30
Isolation Capacitance (input to output)
1000
TEMPERATURE LIMITS FOR POWER DERATING CURVES
Semiconductor Junction Temperature
125
Board Temperature
125
Transformer Temperature
125
Maximum Baseplate Temperature, Tb
100
FEATURE CHARACTERISTICS
Switching Frequency
350
ON/OFF Control
Off-State Voltage
2.4
8
On-State Voltage
-2
0.8
ON/OFF Control
Pull-Up Voltage
5
Pull-Up Resistance
10
Over-Temperature Shutdown OTP Trip Point
125
Over-Temperature Shutdown Restart Hysteresis
10
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia) TR-NWT-000332
3.90
Calculated MTBF (MIL-217) MIL-HDBK-217F
3.50
Field Demonstrated MTBF
Note 1: Higher values of isolation capacitance can be added external to the module.
Note 2: Maximum value is 400ms for DC current limit and short circuit fault conditions
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Units Notes & Conditions
V
V
V
V dc
V dc
V dc
°C
°C
V
V
Continuous
Continuous
100ms
Baseplate temperature
See Note 1
V
V
V
µF
µH\µF
Typical ESR 0.1-0.2Ω
Internal values; see Figure E
ms
ms
ms
%
Full load, Vout=90% nom.
Figure E; See Note 3
Figure E
Maximum Output Capacitance
See Absolute Maximum Ratings
MΩ
pF
°C
°C
°C
°C
See Note 2
Package rated to 150°C
UL rated max operating temp 130°C
kHz
V
Application notes Figures A & B
V
kΩ
°C
°C
Average PCB Temperature
106 Hrs. Tb = 70°C
106 Hrs. Tb = 70°C
106 Hrs. See our website for details
Doc.# 005-0005309 Rev. G
11/20/13
Page 2
Technical
Specification
IQ24xxxSKXxxx
Family Figures (all output voltages)
10,000.0
Trim Resistance (kOhms)
Nominal Vout
% Decrease in Vout (All voltages)
1,000.0
100.0
10.0
0
Common Figure 1: Typical startup waveform. Input voltage pre-applied, ON/
OFF Pin on Ch 2.
2
3
4
5
6
% Decrease in Vout
7
8
9
10
9
10
Common Figure 2: Trim graph for trim down.
100,000.0
10,000.0
1.2 V
1,000.0
1.5 V
1.8 V
2.5 V
5V
3.3 V
Trim Resistance (kOhms)
Trim Resistance (kOhms)
1
100.0
10.0
1.0
7V
12 V
15 V
10,000.0
1,000.0
100.0
0
1
2
3
4
5
6
7
8
9
10
0
Increase in Vout (%)
Common Figure 3: Trim graph for trim-up 1.2 to 3.3V outputs.
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
1
2
3
4
5
6
7
8
Increase in Vout (%)
Common Figure 4: Trim graph for trim-up 5 to 15V outputs.
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 3
Input:18-36V
Output:1.2V
Current:20A
Part No.:IQ24012SKx20
Technical Specification
IQ24012SKx20 Electrical Characteristics (1.2Vout)
Ta = 25°C, airflow rate = 300 LFM, Vin = 24Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
INPUT CHARACTERISTICS
Maximum Input Current
2.3
No-Load Input Current
80
100
Disabled Input Current
10
14
Response to Input Transient
0.03
Input Terminal Ripple Current
80
Recommended Input Fuse
20
OUTPUT CHARACTERISTICS
Output Voltage Set Point
1.188
1.200
1.212
Output Voltage Regulation
Over Line
±0.1
±0.3
Over Load
±0.1
±0.3
Over Temperature
-18
18
Total Output Voltage Range
1.170
1.230
Output Voltage Ripple and Noise
Peak-to-Peak
0
30
60
RMS
7
10
Operating Output Current Range
0
20
Output DC Current-Limit Inception
22.0
24.0
26.0
Back-Drive Current Limit while Enabled
1
Back-Drive Current Limit while Disabled
2
Maximum Output Capacitance
10,000
Output Voltage during Load Current Transient
Step Change in Output Current (0.1A/µs)
75
Settling Time
150
Output Voltage Trim Range
-10
10
Output Voltage Remote Sense Range
10
Output Over-Voltage Protection
1.4
1.6
1.8
EFFICIENCY
100% Load
77
50% Load
77
Note 1: Output is terminated with 1µF ceramic and 22µF low-ESR tantalum capacitors. For
noise, consult SynQor applications support (e-mail: [email protected])
A
mA
mA
V
mA
A
Vin min; trim up; in current limit
250V/ms; see Figure 6
RMS
Fast acting external fuse recommended
V
%
%
mV
V
mV
mV
A
A
A
mA
µF
mV
µs
%
%
V
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Full load
Full load
Subject to thermal derating
Negative current drawn from output
Negative current drawn from output
Vout nominal at full load (resistive load); See Note 2
50% to 75% to 50% Iout max
To within 1% Vout nom
Across Pins 8&4; Common Figures 3-5; see Note 3
Across Pins 8&4
Over full temp range
%
See Figure 1 for efficiency curve
%
See Figure 1 for efficiency curve
applications requiring reduced output voltage ripple and
Note 2: Recommended minimum output capacitance is 100uF
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 4
Input:18-36V
Output:1.2V
Current:20A
Part No.:IQ24012SKx20
Technical Specification
85
8
7
Power Dissipation (W)
Efficiency (%)
80
75
70
18 Vin
65
24 Vin
5
4
3
2
18 Vin
24 Vin
1
36 Vin
36 Vin
60
0
0
5
10
Load Current (A)
15
20
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
0
25
25
20
20
15
15
10
10
Load Current (A)
15
20
10
400 LFM (2.0 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
5
300 LFM (1.5 m/s)
5
5
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
Iout (A)
Iout (A)
6
200 LFM (1.0 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
100 LFM (0.5 m/s)
0
0
25
40
55
70
25
85
40
55
70
85
Ambient Air Temperature (°C)
Ambient Air Temperature (°C)
Figure 3: Encased converter max. output power derating vs. ambient air
temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the
converter from pin 3 to pin 1 (nominal input voltage).
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 5: Output voltage response in the SM version to step-change in load
current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 100 µF
electrolytic cap and 1 µF ceramic cap. Ch 1: Vout (100 mV/div), Ch 2: Iout (10
A/div).
Figure 6: Output voltage response in the SM version to step-change in input
voltage (250 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1:
Vout (100 mV/div), Ch 2: Vin (10 V/div).
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 5
Input:18-36V
Output:1.5V
Current:16A
Part No.:IQ24015SKx16
Technical Specification
IQ24015SKx16 Electrical Characteristics (1.5Vout)
Ta = 25°C, airflow rate = 300 LFM, Vin = 24Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
1.9
A
100
130
mA
10
14
mA
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current
Disabled Input Current
Response to Input Transient
Input Terminal Ripple Current
0.03
V
80
mA
Recommended Input Fuse
20
A
1.500
1.515
V
±0.1
±0.3
%
±0.1
Vin min; trim up; in current limit
250V/ms; see Figure 6
RMS
Fast acting external fuse recommended
OUTPUT CHARACTERISTICS
Output Voltage Set Point
1.485
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
±0.3
%
-23
23
mV
1.462
1.538
V
25
50
mV
Full load
6
10
mV
Full load
16
A
Subject to thermal derating
Output Voltage Ripple and Noise
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Peak-to-Peak
0
RMS
Operating Output Current Range
0
Output DC Current-Limit Inception
16.5
17.0
17.5
Back-Drive Current Limit while Enabled
1.2
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
2
mA
Negative current drawn from output
µF
Vout nominal at full load (resistive load); See Note 2
mV
50% to 75% to 50% Iout max
Maximum Output Capacitance
10,000
Output Voltage during Load Current Transient
Step Change in Output Current (0.1A/µs)
60
Settling Time
50
Output Voltage Trim Range
-10
Output Voltage Remote Sense Range
Output Over-Voltage Protection
1.8
2.0
µs
To within 1% Vout nom
10
%
Across Pins 8&4; Common Figures 3-5
10
%
Across Pins 8&4
2.3
V
Over full temp range
%
See Figure 1 for efficiency curve
EFFICIENCY
100% Load
81
50% Load
77
%
See Figure 1 for efficiency curve
Note 1: Output is terminated with 1µF ceramic and 22µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: [email protected])
Note 2: Recommended minimum output capacitance is 100uF
Note 3: Trim-up range is limited below 10% at low line and full load. Contact SynQor applications support for more detail (email: [email protected])
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 6
Input:18-36V
Output:1.5V
Current:16A
Part No.:IQ24015SKx16
Technical Specification
7
90
6
Power Dissipation (W)
Efficiency (%)
85
80
75
70
5
4
3
2
18 Vin
65
18 Vin
24 Vin
1
24 Vin
36 Vin
36 Vin
0
60
0
4
8
Load Current (A)
12
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
4
8
Load Current (A)
12
16
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
18
18
16
16
14
14
12
12
10
10
Iout (A)
Iout (A)
0
16
8
8
6
6
400 LFM (2.0 m/s)
4
200 LFM (1.0 m/s)
2
400 LFM (2.0 m/s)
4
300 LFM (1.5 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
2
100 LFM (0.5 m/s)
100 LFM (0.5 m/s)
0
0
25
40
55
70
25
85
40
55
70
85
Ambient Air Temperature (°C)
Ambient Air Temperature (°C)
Figure 3: Encased converter max. output power derating vs. ambient air
temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the
converter from pin 3 to pin 1 (nominal input voltage).
Figure 4: Encased converter (with 1/2” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 5: Output voltage response in the SM version to step-change in load
current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 100 µF
electrolytic cap and 1 µF ceramic cap. Ch 1: Vout (100 mV/div), Ch 2: Iout (10
A/div).
Figure 6: Output voltage response in the SM version to step-change in input
voltage (250 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1:
Vout (100 mV/div), Ch 2: Vin (10 V/div).
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 7
Input:18-36V
Output:1.8V
Current:14A
Part No.:IQ24018SKx14
Technical Specification
IQ24018SKx14 Electrical Characteristics (1.8Vout)
Ta = 25°C, airflow rate = 300 LFM, Vin = 24Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
1.9
A
100
130
mA
10
14
mA
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current
Disabled Input Current
Response to Input Transient
Input Terminal Ripple Current
0.03
V
80
mA
Recommended Input Fuse
20
A
1.800
1.818
V
±0.1
±0.3
%
±0.1
Vin min; trim up; in current limit
250V/ms; see Figure 6
RMS
Fast acting external fuse recommended
OUTPUT CHARACTERISTICS
Output Voltage Set Point
1.782
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
±0.3
%
-23
23
mV
1.755
1.845
V
25
50
mV
Full load
6
10
mV
Full load
14
A
18.2
A
Output Voltage Ripple and Noise
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Peak-to-Peak
0
RMS
Operating Output Current Range
0
Output DC Current-Limit Inception
15.4
16.8
Subject to thermal derating
Back-Drive Current Limit while Enabled
1.9
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
2
mA
Negative current drawn from output
µF
Vout nominal at full load (resistive load); See Note 2
mV
50% to 75% to 50% Iout max
Maximum Output Capacitance
10,000
Output Voltage during Load Current Transient
Step Change in Output Current (0.1A/µs)
60
Settling Time
50
Output Voltage Trim Range
-10
Output Voltage Remote Sense Range
Output Over-Voltage Protection
2.2
2.3
µs
To within 1% Vout nom
10
%
Across Pins 8&4; Common Figures 3-5; see Note 3
10
%
Across Pins 8&4
2.5
V
Over full temp range
%
See Figure 1 for efficiency curve
EFFICIENCY
100% Load
83
50% Load
80
%
See Figure 1 for efficiency curve
Note 1: Output is terminated with 1µF ceramic and 22µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: [email protected])
Note 2: Recommended minimum output capacitance is 100uF
Note 3: Trim-up range is limited below 10% at low line and full load. Contact SynQor applications support for more detail (email: [email protected])
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 8
Input:18-36V
Output:1.8V
Current:14A
Part No.:IQ24018SKx14
Technical Specification
90
7
6
Power Dissipation (W)
Efficiency (%)
85
80
75
70
5
4
3
2
18 Vin
65
18 Vin
24 Vin
1
24 Vin
36 Vin
36 Vin
60
0
0
5
Load Current (A)
10
0
Load Current (A)
10
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
16
16
14
14
12
12
10
10
Iout (A)
Iout (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
5
8
8
6
6
400 LFM (2.0 m/s)
4
200 LFM (1.0 m/s)
2
400 LFM (2.0 m/s)
4
300 LFM (1.5 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
2
100 LFM (0.5 m/s)
100 LFM (0.5 m/s)
0
0
25
40
55
70
25
85
40
55
70
85
Ambient Air Temperature (°C)
Ambient Air Temperature (°C)
Figure 3: Encased converter max. output power derating vs. ambient air
temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the
converter from pin 3 to pin 1 (nominal input voltage).
Figure 4: Encased converter (with 1/4” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 5: Output voltage response in the SM version unit to step-change in
load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 100 µF
electrolytic cap and 1 µF ceramic cap. Ch 1: Vout (100 mV/div), Ch 2: Iout (10
A/div).
Figure 6: Output voltage response in the SM version to step-change in input
voltage (250 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1:
Vout (100 mV/div), Ch 2: Vin (10 V/div).
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 9
Input:18-36V
Output:2.5V
Current:10A
Part No.:IQ24025SKx10
Technical Specification
IQ24025SKx10 Electrical Characteristics (2.5Vout)
Ta = 25°C, airflow rate = 300 LFM, Vin = 24Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
2.2
A
110
140
mA
10
14
mA
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current
Disabled Input Current
Response to Input Transient
0.06
V
Input Terminal Ripple Current
125
mA
Recommended Input Fuse
20
A
2.500
2.525
V
±0.1
±0.3
%
±0.1
Vin min; trim up; in current limit
250V/ms; see Figure 6
RMS
Fast acting external fuse recommended
OUTPUT CHARACTERISTICS
Output Voltage Set Point
2.475
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
±0.3
%
-38
38
mV
2.437
2.563
V
35
70
mV
Full load
10
20
mV
Full load
10
A
13.0
A
Output Voltage Ripple and Noise
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Peak-to-Peak
0
RMS
Operating Output Current Range
0
Output DC Current-Limit Inception
11.0
12.0
Subject to thermal derating
Back-Drive Current Limit while Enabled
2.5
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
2
mA
Negative current drawn from output
µF
Vout nominal at full load (resistive load); See Note 2
mV
50% to 75% to 50% Iout max
Maximum Output Capacitance
10,000
Output Voltage during Load Current Transient
Step Change in Output Current (0.1A/µs)
60
Settling Time
125
Output Voltage Trim Range
-10
Output Voltage Remote Sense Range
Output Over-Voltage Protection
2.9
3.1
µs
To within 1% Vout nom
10
%
Across Pins 8&4; Common Figures 3-5; see Note 3
10
%
Across Pins 8&4
3.3
V
Over full temp range
%
See Figure 1 for efficiency curve
EFFICIENCY
100% Load
83
50% Load
79
%
See Figure 1 for efficiency curve
Note 1: Output is terminated with 1µF ceramic and 22µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: [email protected])
Note 2: Recommended minimum output capacitance is 100uF
Note 3: Trim-up range is limited below 10% at low line and full load. Contact SynQor applications support for more detail (email: [email protected])
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 10
Input:18-36V
Output:2.5V
Current:10A
Part No.:IQ24025SKx10
Technical Specification
90
7
6
Power Dissipation (W)
Efficiency (%)
85
80
75
70
5
4
3
2
18 Vin
65
18 Vin
24 Vin
1
24 Vin
36 Vin
36 Vin
60
0
0
2
4
6
8
Load Current (A)
10
2
4
6
8
Load Current (A)
10
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
12
12
10
10
8
8
Iout (A)
Iout (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
0
6
6
4
4
400 LFM (2.0 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
2
300 LFM (1.5 m/s)
2
200 LFM (1.0 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
100 LFM (0.5 m/s)
0
0
25
40
55
70
25
85
40
55
70
85
Ambient Air Temperature (°C)
Ambient Air Temperature (°C)
Figure 3: Encased converter max. output power derating vs. ambient air
temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the
converter from pin 3 to pin 1 (nominal input voltage).
Figure 4: Encased converter (with 1/4” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 5: Output voltage response in the SM version to step-change in load
current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 100 µF
electrolytic cap and 1 µF ceramic cap. Ch 1: Vout (100 mV/div), Ch 2: Iout (10
A/div).
Figure 6: Output voltage response in the SM version to step-change in input
voltage (250 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1:
Vout (100 mV/div), Ch 2: Vin (10 V/div).
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 11
Input:18-36V
Output:3.3V
Current:8A
Part No.:IQ24033SKx08
Technical Specification
IQ24033SKx08 Electrical Characteristics (3.3Vout)
Ta = 25°C, airflow rate = 300 LFM, Vin = 24Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
2.3
A
120
150
mA
10
14
mA
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current
Disabled Input Current
Response to Input Transient
0.06
V
Input Terminal Ripple Current
135
mA
Recommended Input Fuse
20
A
3.300
3.333
V
±0.1
±0.3
%
±0.1
Vin min; trim up; in current limit
250V/ms; see Figure 6
RMS
Fast acting external fuse recommended
OUTPUT CHARACTERISTICS
Output Voltage Set Point
3.267
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
±0.3
%
-50
50
mV
3.217
3.383
V
30
60
mV
Full load
7
10
mV
Full load
8
A
10.3
A
Output Voltage Ripple and Noise
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Peak-to-Peak
0
RMS
Operating Output Current Range
0
Output DC Current-Limit Inception
8.8
9.6
Subject to thermal derating
Back-Drive Current Limit while Enabled
2.6
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
2
mA
Negative current drawn from output
µF
Vout nominal at full load (resistive load); See Note 2
mV
50% to 75% to 50% Iout max
Maximum Output Capacitance
10,000
Output Voltage during Load Current Transient
Step Change in Output Current (0.1A/µs)
150
Settling Time
125
Output Voltage Trim Range
-10
Output Voltage Remote Sense Range
Output Over-Voltage Protection
4.0
4.3
µs
To within 1% Vout nom
10
%
Across Pins 8&4; Common Figures 3-5; see Note 3
10
%
Across Pins 8&4
4.6
V
Over full temp range
%
See Figure 1 for efficiency curve
EFFICIENCY
100% Load
84
50% Load
81
%
See Figure 1 for efficiency curve
Note 1: Output is terminated with 1µF ceramic and 22µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: [email protected])
Note 2: Recommended minimum output capacitance is 100uF
Note 3: Trim-up range is limited below 10% at low line and full load. Contact SynQor applications support for more detail (email: [email protected])
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 12
Input:18-36V
Output:3.3V
Current:8A
Part No.:IQ24033SKx08
Technical Specification
90
7
6
Power Dissipation (W)
Efficiency (%)
85
80
75
70
5
4
3
2
18 Vin
65
18 Vin
24 Vin
1
24 Vin
36 Vin
36 Vin
60
0
0
3
Load Current (A)
6
0
6
Load Current (A)
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
9
9
8
8
7
7
6
6
5
5
Iout (A)
Iout (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
3
4
4
3
3
400 LFM (2.0 m/s)
2
200 LFM (1.0 m/s)
1
400 LFM (2.0 m/s)
2
300 LFM (1.5 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
1
100 LFM (0.5 m/s)
100 LFM (0.5 m/s)
0
0
25
40
55
70
25
85
40
55
70
85
Ambient Air Temperature (°C)
Ambient Air Temperature (°C)
Figure 3: Encased converter max. output power derating vs. ambient air
temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the
converter from pin 3 to pin 1 (nominal input voltage).
Figure 4: Encased converter (with 1/4” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 5: Output voltage response in the SM version to step-change in load
current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 100 µF
electrolytic cap and 1 µF ceramic cap. Ch 1: Vout (200 mV/div), Ch 2: Iout (5 A/
div).
Figure 6: Output voltage response in the SM version to step-change in input
voltage (250 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1:
Vout (200 mV/div), Ch 2: Vin (10 V/div).
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 13
Input:18-36V
Output:5V
Current:5A
Part No.:IQ24050SKx05
Technical Specification
IQ24050SKx05 Electrical Characteristics (5.0Vout)
Ta = 25°C, airflow rate = 300 LFM, Vin = 24Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
2.2
A
100
130
mA
Disabled Input Current
10
14
mA
Response to Input Transient
0.1
V
Input Terminal Ripple Current
130
mA
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current
Recommended Input Fuse
20
A
5.000
5.050
V
±0.1
±0.3
%
±0.1
Vin min; trim up; in current limit
250V/ms; see Figure 6
RMS
Fast acting external fuse recommended
OUTPUT CHARACTERISTICS
Output Voltage Set Point
4.950
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
±0.3
%
-75
75
mV
4.875
5.125
V
25
50
mV
Full load
6
10
mV
Full load
5
A
6.5
A
Output Voltage Ripple and Noise
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Peak-to-Peak
0
RMS
Operating Output Current Range
0
Output DC Current-Limit Inception
5.5
6.0
Subject to thermal derating
Back-Drive Current Limit while Enabled
2.1
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
2
mA
Negative current drawn from output
µF
Vout nominal at full load (resistive load); See Note 2
mV
50% to 75% to 50% Iout max
Maximum Output Capacitance
5,000
Output Voltage during Load Current Transient
Step Change in Output Current (0.1A/µs)
175
Settling Time
100
Output Voltage Trim Range
-10
Output Voltage Remote Sense Range
Output Over-Voltage Protection
6.1
6.4
µs
To within 1% Vout nom
10
%
Across Pins 8&4; Common Figures 3-5; see Note 3
10
%
Across Pins 8&4
6.6
V
Over full temp range
%
See Figure 1 for efficiency curve
EFFICIENCY
100% Load
84
50% Load
80
%
See Figure 1 for efficiency curve
Note 1: Output is terminated with 1µF ceramic and 22µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and
noise, consult SynQor applications support (e-mail: [email protected])
Note 2: Recommended minimum output capacitance is 100uF
Note 3: Trim-up range is limited below 10% at low line and full load. Contact SynQor applications support for more detail (email: [email protected])
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 14
Input:18-36V
Output:5V
Current:5A
Part No.:IQ24050SKx05
Technical Specification
90
7
6
Power Dissipation (W)
Efficiency (%)
85
80
75
70
5
4
3
2
18 Vin
65
18 Vin
24 Vin
1
24 Vin
36 Vin
36 Vin
60
0
0
1
2
3
4
Load Current (A)
5
1
2
3
4
Load Current (A)
5
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
6
6
5
5
4
4
Iout (A)
Iout (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
0
3
2
3
2
400 LFM (2.0 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
1
300 LFM (1.5 m/s)
1
200 LFM (1.0 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
100 LFM (0.5 m/s)
0
0
25
40
55
70
85
25
Ambient Air Temperature (°C)
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Encased converter max. output power derating vs. ambient air
temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the
converter from pin 3 to pin 1 (nominal input voltage).
Figure 4: Encased converter (with 1/4” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 5: Output voltage response in the SM version to step-change in load
current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 100 µF
electrolytic cap and 1 µF ceramic cap. Ch 1: Vout (200 mV/div), Ch 2: Iout (5 A/
div).
Figure 6: Output voltage response in the SM version to step-change in input
voltage (250 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1:
Vout (200 mV/div), Ch 2: Vin (10 V/div).
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 15
Input:18-36V
Output:7V
Current:3.5A
Part No.:IQ24070SKx04
Technical Specification
IQ24070SKx04 Electrical Characteristics (7.0Vout)
Ta = 25°C, airflow rate = 300 LFM, Vin = 24Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
2.1
A
100
130
mA
10
14
mA
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current
Disabled Input Current
Response to Input Transient
Input Terminal Ripple Current
0.06
V
80
mA
Recommended Input Fuse
20
A
7.000
7.070
V
±0.1
±0.3
%
±0.1
Vin min; trim up; in current limit
250V/ms; see Figure 6
RMS
Fast acting external fuse recommended
OUTPUT CHARACTERISTICS
Output Voltage Set Point
6.930
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
±0.3
%
-105
105
mV
6.825
7.175
V
50
mV
Full load
Full load
Output Voltage Ripple and Noise
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Peak-to-Peak
0
RMS
25
6
Operating Output Current Range
0
Output DC Current-Limit Inception
3.9
4.2
10
mV
3.5
A
4.6
A
Subject to thermal derating
Back-Drive Current Limit while Enabled
2
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
2
mA
Negative current drawn from output
µF
Vout nominal at full load (resistive load); See Note 2
mV
50% to 75% to 50% Iout max
Maximum Output Capacitance
4,000
Output Voltage during Load Current Transient
Step Change in Output Current (0.1A/µs)
250
Settling Time
150
Output Voltage Trim Range
-10
Output Voltage Remote Sense Range
Output Over-Voltage Protection
8.0
8.5
µs
To within 1% Vout nom
10
%
Across Pins 8&4; Common Figures 3-5
10
%
Across Pins 8&4
8.9
V
Over full temp range
%
See Figure 1 for efficiency curve
EFFICIENCY
100% Load
86
50% Load
82
%
See Figure 1 for efficiency curve
Note 1: Output is terminated with 1 µF ceramic capacitor. For applications requiring reduced output voltage ripple and noise, consult SynQor applications
support (e-mail: [email protected])
Note 2: Recommended minimum output capacitance is 100uF
Note 3: Trim-up range is limited below 10% at low line and full load. Contact SynQor applications support for more detail (email: [email protected])
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 16
Input:18-36V
Output:7V
Current:3.5A
Part No.:IQ24070SKx04
Technical Specification
90
7
6
Power Dissipation (W)
Efficiency (%)
85
80
75
70
5
4
3
2
18 Vin
65
18 Vin
24 Vin
1
24 Vin
36 Vin
36 Vin
60
0
0.0
0.5
1.0
1.5
2.0
Load Current (A)
2.5
3.0
3.5
0.5
1.0
1.5
2.0
Load Current (A)
2.5
3.0
3.5
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
4.0
4.0
3.5
3.5
3.0
3.0
2.5
2.5
Iout (A)
Iout (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
0.0
2.0
2.0
1.5
1.5
400 LFM (2.0 m/s)
1.0
200 LFM (1.0 m/s)
0.5
400 LFM (2.0 m/s)
1.0
300 LFM (1.5 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
0.5
100 LFM (0.5 m/s)
100 LFM (0.5 m/s)
0.0
0.0
25
40
55
70
25
85
40
55
70
85
Ambient Air Temperature (°C)
Ambient Air Temperature (°C)
Figure 3: Encased converter max. output power derating vs. ambient air
temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the
converter from pin 3 to pin 1 (nominal input voltage).
Figure 4: Encased converter (with 1/4” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 5: Output voltage response in the SM version to step-change in load
current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 100 µF
electrolytic cap and 1 µF ceramic cap. Ch 1: Vout (500 mV/div), Ch 2: Iout (2 A/
div).
Figure 6: Output voltage response in the SM version to step-change in input
voltage (250 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1:
Vout (200 mV/div), Ch 2: Vin (10 V/div).
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 17
Input:18-36V
Output:12V
Current:2A
Part No.:IQ24120SKx02
Technical Specification
IQ24120SKx02 Electrical Characteristics (12.0Vout)
Ta = 25°C, airflow rate = 300 LFM, Vin = 24Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max.
Units Notes & Conditions
2.1
A
135
170
mA
Disabled Input Current
10
14
mA
Response to Input Transient
0.1
V
Input Terminal Ripple Current
130
mA
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current
Recommended Input Fuse
20
A
12.00
12.12
V
±0.1
±0.3
%
±0.1
Vin min; trim up; in current limit
250V/ms; see Figure 6
RMS
Fast acting external fuse recommended
OUTPUT CHARACTERISTICS
Output Voltage Set Point
11.88
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
±0.3
%
-180
180
mV
11.70
12.30
V
40
80
mV
Full load
10
20
mV
Full load
2
A
2.6
A
Output Voltage Ripple and Noise
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Peak-to-Peak
0
RMS
Operating Output Current Range
0
Output DC Current-Limit Inception
2.2
2.4
Subject to thermal derating
Back-Drive Current Limit while Enabled
2.5
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
2
mA
Negative current drawn from output
µF
Vout nominal at full load (resistive load); See Note 2
mV
50% to 75% to 50% Iout max
Maximum Output Capacitance
1,500
Output Voltage during Load Current Transient
Step Change in Output Current (0.1A/µs)
200
Settling Time
125
Output Voltage Trim Range
-10
Output Voltage Remote Sense Range
Output Over-Voltage Protection
14.4
15.0
µs
To within 1% Vout nom
10
%
Across Pins 8&4; Common Figures 3-5
10
%
Across Pins 8&4
16.2
V
Over full temp range
%
See Figure 1 for efficiency curve
EFFICIENCY
100% Load
84
50% Load
80
%
See Figure 1 for efficiency curve
Note 1: Output is terminated with 1 µF ceramic capacitor. For applications requiring reduced output voltage ripple and noise, consult SynQor applications
support (e-mail: [email protected])
Note 2: Recommended minimum output capacitance is 100uF
Note 3: Trim-up range is limited below 10% at low line and full load. Contact SynQor applications support for more detail (email: [email protected])
Product # IQ24xxxSKXxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 18
Input:18-36V
Output:12V
Current:2A
Part No.:IQ24120SKx02
Technical Specification
90
7
6
Power Dissipation (W)
Efficiency (%)
85
80
75
70
5
4
3
2
18 Vin
65
18 Vin
24 Vin
1
24 Vin
36 Vin
36 Vin
60
0
0.0
0.5
1.0
Load Current (A)
1.5
2.0
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
0.0
0.5
1.0
Load Current (A)
1.5
2.0
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
2.5
2.0
2.0
1.5
1.5
Iout (A)
Iout (A)
2.5
1.0
1.0
400 LFM (2.0 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
0.5
300 LFM (1.5 m/s)
0.5
200 LFM (1.0 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
100 LFM (0.5 m/s)
0.0
0.0
25
40
55
70
25
85
40
55
70
85
Ambient Air Temperature (°C)
Ambient Air Temperature (°C)
Figure 3: Encased converter max. output power derating vs. ambient air
temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the
converter from pin 3 to pin 1 (nominal input voltage).
Figure 4: Encased converter (with 1/4” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 5: Output voltage response in the SM version to step-change in load
current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 100 µF
electrolytic cap and 1 µF ceramic cap. Ch 1: Vout (500 mV/div), Ch 2: Iout (1 A/
div).
Figure 6: Output voltage response in the SM version to step-change in input
voltage (250 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1:
Vout (200 mV/div), Ch 2: Vin (10 V/div).
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Doc.# 005-0005309 Rev. G
11/20/13
Page 19
Input:18-36V
Output:15V
Current:1.7A
Part No.:IQ24150SKx02
Technical Specification
IQ24150SKx02 Electrical Characteristics (15.0Vout)
Ta = 25°C, airflow rate = 300 LFM, Vin = 24Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
INPUT CHARACTERISTICS
Maximum Input Current
No-Load Input Current
Disabled Input Current
Response to Input Transient
Input Terminal Ripple Current
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
RMS
Operating Output Current Range
Output DC Current-Limit Inception
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Typ.
Max.
Units
2.3
220
14
20
A
mA
mA
V
mA
A
15.00
15.15
V
±0.1
±0.1
±0.3
±0.3
225
15.38
%
%
mV
V
150
40
1.7
mV
mV
A
A
A
mA
175
10
0.1
100
14.85
-225
14.62
0
75
18
0
Maximum Output Capacitance
2.8
3
2
1,500
µF
Output Voltage during Load Current Transient
Step Change in Output Current (0.1A/µs)
175
Settling Time
200
Output Voltage Trim Range
-10
10
Output Voltage Remote Sense Range
10
Output Over-Voltage Protection
18.0
18.0
19.0
EFFICIENCY
100% Load
83
50% Load
76
Note 1: Output is terminated with 1 µF ceramic capacitor. For applications requiring reduced
applications support (e-mail: [email protected])
mV
µs
%
%
V
Notes & Conditions
Vin min; trim up; in current limit
250V/ms; see Figure 6
RMS
Fast acting external fuse recommended
Over sample, line, load, temperature & life
20MHz bandwidth; see Note 1
Full load
Full load
Subject to thermal derating
Negative current drawn from output
Negative current drawn from output
Vout nominal at full load (resistive load); See
Note 2
50% to 75% to 50% Iout max
To within 1% Vout nom
Across Pins 8&4; Common Figures 3-5
Across Pins 8&4
Over full temp range
%
See Figure 1 for efficiency curve
%
See Figure 1 for efficiency curve
output voltage ripple and noise, consult SynQor
Note 2: Recommended minimum output capacitance is 100uF
Note 3: Trim-up range is limited below 10% at low line and full load. Contact SynQor applications support for more detail (email: [email protected])
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Doc.# 005-0005309 Rev. G
11/20/13
Page 20
Input:18-36V
Output:15V
Current:1.7A
Part No.:IQ24150SKx02
Technical Specification
90
7
6
Power Dissipation (W)
Efficiency (%)
85
80
75
70
5
4
3
2
18 Vin
65
18 Vin
24 Vin
1
24 Vin
36 Vin
36 Vin
60
0
0.0
0.5
1.0
1.5
Load Current (A)
0.0
1.0
1.5
Load Current (A)
Figure 2: Power dissipation at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
2.00
2.00
1.75
1.75
1.50
1.50
1.25
1.25
Iout (A)
Iout (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
0.5
1.00
1.00
0.75
0.75
400 LFM (2.0 m/s)
0.50
200 LFM (1.0 m/s)
0.25
400 LFM (2.0 m/s)
0.50
300 LFM (1.5 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
0.25
100 LFM (0.5 m/s)
100 LFM (0.5 m/s)
0.00
0.00
25
40
55
70
25
85
40
55
70
85
Ambient Air Temperature (°C)
Ambient Air Temperature (°C)
Figure 3: Encased converter max. output power derating vs. ambient air
temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the
converter from pin 3 to pin 1 (nominal input voltage).
Figure 4: Encased converter (with 1/4” heatsink) max. output power derating
vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air
flows across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 5: Output voltage response in the SM version to step-change in load
current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 100 µF
electrolytic cap and 1 µF ceramic cap. Ch 1: Vout (500 mV/div), Ch 2: Iout (1 A/
div).
Figure 6: Output voltage response in the SM version to step-change in input
voltage (250 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1:
Vout (500 mV/div), Ch 2: Vin (10 V/div).
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Doc.# 005-0005309 Rev. G
11/20/13
Page 21
Technical
Specification
IQ24xxxSKXxxx
Application Section
BASIC OPERATION AND FEATURES
CONTROL FEATURES
This converter series uses a two-stage power
topology. The first stage is a buck-converter that
output voltage constant over variations in line,
temperature. The second stage uses a transformer
the functions of input/output isolation and voltage
step-down to achieve the output voltage required.
REMOTE ON/OFF (Pin 2): The ON/OFF input, Pin 2, permits
the user to control when the converter is on or off. This input
is referenced to the return terminal of the input bus, Vin(-).
The ON/OFF signal is active low (meaning that a low turns the
converter on). Figure A details four possible circuits for driving
the ON/OFF pin. Figure B is a detailed look of the internal ON/
OFF circuitry.
conversion
keeps the
load, and
to provide
step-up or
Both the first stage and the second stage switch at a fixed
frequency for predictable EMI performance. Rectification of
the transformer’s output is accomplished with synchronous
rectifiers. These devices, which are MOSFETs with a very low
on-state resistance, dissipate far less energy than Schottky
diodes. This is the primary reason that the converter has such
high efficiency, even at very low output voltages and very high
output currents.
These converters are offered totally encased to withstand harsh
environments and thermally demanding applications. Dissipation
throughout the converter is so low that it does not require a
heatsink for operation in many applications; however, adding
a heatsink provides improved thermal derating performance in
extreme situations.
This series of converters use the industry standard footprint and
pin-out configuration.
ON/OFF
ON/OFF
Vin(_)
Vin(_)
Remote Enable Circuit
REMOTE SENSE(+) (Pins 7 and 5): The SENSE(+) inputs
correct for voltage drops along the conductors that connect the
converter’s output pins to the load.
Pin 7 should be connected to Vout(+) and Pin 5 should be
connected to Vout(-) at the point on the board where regulation
is desired. A remote connection at the load can adjust for a
voltage drop only as large as that specified in this datasheet,
that is
[Vout(+) - Vout(-)] – [Vsense(+) - Vsense(-)] <
Sense Range % x Vout
Pins 7 and 5 must be connected for proper regulation of
the output voltage. If these connections are not made, the
converter will deliver an output voltage that is slightly higher
than its specified value.
Note: the output over-voltage protection circuit senses the
voltage across the output (pins 8 and 4) to determine when
it should trigger, not the voltage across the converter’s sense
leads (pins 7 and 5). Therefore, the resistive drop on the board
should be small enough so that output OVP does not trigger,
even during load transients.
5V
Negative Logic
(Permanently Enabled)
5V
ON/OFF
TTL/
CMOS
10k
ON/OFF
ON/OFF
50k
TTL
Vin(_)
Vin(_ )
Open Collector Enable Circuit
Figure A: Various circuits for driving the ON/OFF pin.
Product # IQ24xxxSKXxxx
100pF
Vin(-)
Direct Logic Drive
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Figure B: Internal ON/OFF pin circuitry
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Doc.# 005-0005309 Rev. G
11/20/13
Page 22
Technical
Specification
IQ24xxxSKXxxx
Application Section
OUTPUT VOLTAGE TRIM (Pin 6): The TRIM input permits the
user to adjust the output voltage across the sense leads up or
down according to the trim range specifications.
To decrease the output voltage, the user should connect a
resistor between Pin 6 and Pin 5 (SENSE(-) input). For a desired
decrease of the nominal output voltage, the value of the resistor
should be
Rtrim-down =
- 10.22
(511
D% )
(kW)
where
D% =
Vnominal – Vdesired
Vnominal
x 100%
To increase the output voltage, the user should connect a
resistor between Pin 6 and Pin 7 (SENSE(+) input). For a desired
increase of the nominal output voltage, the value of the resistor
should be
Rtrim-up =
where
(
5.11VOUT x (100+D%)
1.225D%
_ 511 _ 10.22
D%
)
(kW)
Vout = Nominal Output Voltage
Trim graphs show the relationship between the trim resistor
value and Rtrim-up and Rtrim-down, showing the total range the
output voltage can be trimmed up or down.
Note: the TRIM feature does not affect the voltage at which the
output over-voltage protection circuit is triggered. Trimming the
output voltage too high may cause the over-voltage protection
circuit to engage, particularly during transients.
It is not necessary for the user to add capacitance at the
Trim pin. The node is internally bypassed to eliminate noise.
* For 1.2Vout unit replace 1.225 with 0.6 (see Trim Up Graph
Common Figure 3).
Total DC Variation of VOUT: For the converter to meet its
full specifications, the maximum variation of the dc value of
VOUT, due to both trimming and remote load voltage drops,
should not be greater than that specified for the output
voltage trim range.
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PROTECTION FEATURES
Input Under-Voltage Lockout: The converter is designed
to turn off when the input voltage is too low, helping avoid an
input system instability problem, described in more detail in
the application note titled “Input System Instability” on our
website. The lockout circuitry is a comparator with dc hysteresis.
When the input voltage is rising, it must exceed the typical TurnOn Voltage Threshold value (listed on the specifications page)
before the converter will turn on. Once the converter is on,
the input voltage must fall below the typical Turn-Off Voltage
Threshold value before the converter will turn off.
Output Current Limit: The maximum current limit remains
constant as the output voltage drops. However, once the
impedance of the load across the output is small enough to make
the output voltage drop below the specified Output DC CurrentLimit Shutdown Voltage, the converter turns off.
The converter then enters a “hiccup mode” where it repeatedly
turns on and off at a 5 Hz (nominal) frequency with a 5% duty
cycle until the short circuit condition is removed. This prevents
excessive heating of the converter or the load board.
Output Over-Voltage Limit: If the voltage across the output
pins exceeds the Output Over-Voltage Protection threshold, the
converter will immediately stop switching. This prevents damage
to the load circuit due to 1) excessive series resistance in output
current path from converter output pins to sense point, 2) a
release of a short-circuit condition, or 3) a release of a current
limit condition. Load capacitance determines exactly how high
the output voltage will rise in response to these conditions. After
200 ms the converter will automatically restart.
Over-Temperature Shutdown: A temperature sensor on
the converter senses the average temperature of the module.
The thermal shutdown circuit is designed to turn the converter
off when the temperature at the sensed location reaches the
Over-Temperature Shutdown value. It will allow the converter
to turn on again when the temperature of the sensed location
falls by the amount of the Over-Temperature Shutdown Restart
Hysteresis value.
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Doc.# 005-0005309 Rev. G
11/20/13
Page 23
Technical
Specification
IQ24xxxSKXxxx
Application Section
APPLICATION CONSIDERATIONS
Input System Instability: This condition can occur because
any dc-dc converter appears incrementally as a negative
resistance load. A detailed application note titled “Input System
Instability” is available on the SynQor website which provides
an understanding of why this instability arises, and shows the
preferred solution for correcting it.
Application Circuits: Figure C provides a typical circuit diagram
which details the input filtering and voltage trimming.
Vin(+)
Vin
External
Input
Filter
Electrolytic
Capacitor
Vout(+)
Vsense(+)
ON/OFF
Trim
Vsense(_)
Vin(_)
Rtrim-up
or
Rtrim-down
Cload
Iload
Vout(_)
Figure C: Typical application circuit (negative logic unit, permanently enabled).
Input Filtering and External Capacitance: Figure D provides
a diagram showing the internal input filter components. This filter
dramatically reduces input terminal ripple current, which otherwise
could exceed the rating of an external electrolytic input capacitor.
The recommended external input capacitance is specified in the
Input Characteristics section on the Electrical Characteristics
page. More detailed information is available in the application note
titled “EMI Characteristics” on the SynQor website.
L
Vin(+)
C
Vin(_)
Figure D: Internal Input Filter Diagram (component values listed on the specifications page).
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Page 24
Technical
Specification
IQ24xxxSKXxxx
Application Section
Startup Inhibit Period: The Startup Inhibit Period ensures that
the converter will remain off for approximately 200 ms when it is
shut down for any reason. When an output short is present, this
generates a 5 Hz “hiccup mode,” which prevents the converter
from overheating. In all, there are seven ways that the converter
can be shut down, initiating a Startup Inhibit Period:
• InputUnder-VoltageLockout
When the ON/OFF pin goes high after t2, the Startup Inhibit
Period has elapsed, and the output turns on within the typical
Turn-On Time.
Thermal Considerations: The maximum operating base-plate
temperature, TB, is 100 ºC. As long as the user’s thermal system
keeps TB < 100 ºC, the converter can deliver its full rated power.
A power derating curve can be calculated for any heatsink that is
attached to the base-plate of the converter. It is only necessary
to determine the thermal resistance, RTHBA, of the chosen heatsink
between the base-plate and the ambient air for a given airflow
rate. This information is usually available from the heatsink
vendor. The following formula can the be used to determine the
maximum power the converter can dissipate for a given thermal
condition if its base-plate is to be no higher than 100 ºC.
• InputOver-VoltageLockout
• OutputOver-VoltageProtection
• OverTemperatureShutdown
• CurrentLimit
• ShortCircuitProtection
• TurnedoffbytheON/OFFinput
Figure E shows three turn-on scenarios, where a Startup Inhibit
Period is initiated at t0, t1, and t2:
Before time t0, when the input voltage is below the UVL threshold,
the unit is disabled by the Input Under-Voltage Lockout feature.
When the input voltage rises above the UVL threshold, the Input
Under-Voltage Lockout is released, and a Startup Inhibit Period is
initiated. At the end of this delay, the ON/OFF pin is evaluated,
and since it is active, the unit turns on.
At time t1, the unit is disabled by the ON/OFF pin, and it cannot
be enabled again until the Startup Inhibit Period has elapsed.
max
Pdiss =
100 ºC - TA
RTHBA
This value of power dissipation can then be used in conjunction
with the data shown in Figure 2 to determine the maximum load
current (and power) that the converter can deliver in the given
thermal condition.
For convenience, power derating curves for an encased converter
without a heatsink and with a typical heatsink are provided for
each output voltage.
Vin
Under-Voltage
Lockout TurnOn Threshold
ON/OFF
(neg logic)
ON
OFF ON
OFF
ON
35ms
Vout
(typical turn on time)
2ms
(typical start-up
inhibit period)
t1
t0
200ms
200ms
t2
t
Figure E: Startup Inhibit Period (turn-on time not to scale)
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11/20/13
Page 25
Technical
Specification
IQ24xxxSKXxxx
Standards & Qualification Testing
Parameter
Notes & Conditions
STANDARDS COMPLIANCE
UL 60950-1/R:2011-12
Basic Insulation
CAN/CSA-C22.2 No. 60950-1/A1:2011
EN 60950-1/A12:2011
Certified by TUV
Note: An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety certificates on new
releases or download from the SynQor website.
Parameter
# Units Test Conditions
QUALIFICATION TESTING
Life Test
32
95% rated Vin and load, units at derating point, 1000 hours
Vibration
5
10-55 Hz sweep, 0.060" total excursion, 1 min./sweep, 120 sweeps for 3 axis
Mechanical Shock
5
100g minimum, 2 drops in x, y, and z axis
Temperature Cycling
10
-40 °C to 100 °C, unit temp. ramp 15 °C/min., 500 cycles
Power/Thermal Cycling
5
Toperating = min to max, Vin = min to max, full load, 100 cycles
Design Marginality
5
Tmin-10 °C to Tmax+10 °C, 5 °C steps, Vin = min to max, 0-105% load
Humidity
5
85 °C, 95% RH, 1000 hours, continuous Vin applied except 5 min/day
Solderability
15 pins
Altitude
2
MIL-STD-883, method 2003
70,000 feet (21 km), see Note
Note: A conductive cooling design is generally needed for high altitude applications because of naturally poor convective cooling at rare atmospheres.
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Doc.# 005-0005309 Rev. G
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Page 26
Technical
Specification
IQ24xxxSKXxxx
Standard Mechanical Diagram
1.036±.020 (26.31±0.5)
.600 (15.24)
.450 (11.43)
0.500±.025
(12.7±0.63)
Overall height
.300 (7.62)
.150 (3.81)
8 7 6 5 4
0.18
(4.6)
Top View
1.436±.020
(36.47±0.5)
Side View
1.10
(27.9)
.143±.020
(3.63±0.5)
1
2
3
.300 (7.62)
.218±.020
(5.54±0.5)
.600 (15.24)
NOTES
1)
2)
3)
4)
5)
6)
7)
8)
9)
PIN DESIGNATIONS
Baseplate flatness tolerance is 0.004" (.10mm) TIR for surface.
Pins 1-3, 5-7 are 0.040” (1.02mm) diameter, with 0.080” (2.03mm)
diameter standoff shoulders.
Pins 4 and 8 are 0.062” (1.57 mm) diameter with 0.100" (2.54 mm)
diameter standoff shoulders.
All Pins: Material – Copper Alloy; Finish – Matte Tin over Nickel plate
Undimensioned components are shown for visual reference only.
Weight: 1.1oz (31g) typical
All dimensions in inches (mm)
Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm)
x.xxx +/-0.010 in. (x.xx +/-0.25mm)
Workmanship: Meets or exceeds IPC-A610 Class II
Recommended pin length is 0.03” (0.76mm) greater than the PCB
thickness.
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Pin
1
2
Name
Vin(+)
ON/OFF
3
4
5
6
7
8
Vin(–)
Vout(–)
SENSE(–)
TRIM
SENSE(+)
Vout(+)
Function
Positive input voltage
TTL input to turn converter on and off,
referenced to Vin(–), with internal pull up.
Negative input voltage
Negative output voltage
Negative remote sense(see note 1)
Output voltage trim (see note 2)
Positive remote sense (see note 3)
Positive output voltage
Notes:
1)
SENSE(–) should be connected to Vout(–) either remotely or
at the converter.
2)
Leave TRIM pin open for nominal output voltage.
3)
SENSE(+) should be connected to Vout(+) either remotely or
at the converter.
Doc.# 005-0005309 Rev. G
11/20/13
Page 27
Technical
Specification
IQ24xxxSKXxxx
Flanged Mechanical Diagram
]
TOP VIEW
1.12
[ 28,3 ]
.94
[ 23,9 ]
.21
[ 5,3 ]
.14
[ 3,6 ]
.017 .020
[ 0,43 0,5 ]
1.436
[ 36,47 ]
1
3
.218
.020
[ 5,54
0,5 ]
.350
.020
[ 8,89
0,5 ]
.450
.020
[ 11,43
.13
1
[ 3,2 ]
BOTTOMSIDE
CLEARANCE
.010 [ 0,25 ]
.300
[ 7,62 ]
.600
[ 15,24 ]
0,5 ]
NOTES
PIN DESIGNATIONS
Applied torque per screw should not exceed 5in-lb (3in-lb
recommended).
2)
Baseplate flatness tolerance is 0.01” (.25mm) TIR for surface.
3)
Pins 1-3, 5-7 are 0.040” (1.02mm) diameter, with 0.080” (2.03mm)
diameter standoff shoulders.
4)
Pins 4 and 8 are 0.062” (1.57 mm) diameter with 0.100" (2.54 mm)
diameter standoff shoulders.
5)
All Pins: Material – Copper Alloy; Finish – Matte Tin over Nickel plate
6)
Weight: 1.22 oz (34.6g) typical
7)
Undimensioned components are shown for visual reference only.
8)
All dimensions in inches (mm)
Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm)
x.xxx +/-0.010 in. (x.xx +/-0.25mm)
9)
Workmanship: Meets or exceeds IPC-A610 Class II
10) Recommended pin length is 0.03” (0.76mm) greater than the PCB
thickness.
11) A thermal interface material is required to assure proper heat
transfer from the flanged baseplate to the cooling surface. Thermal
grease, conductive pads, compounds, and other similar products are
available from many heatsink manufacturers.
1)
Product # IQ24xxxSKXxxx
2
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Pin
1
2
Name
Vin(+)
ON/OFF
3
4
5
6
7
8
Vin(–)
Vout(–)
SENSE(–)
TRIM
SENSE(+)
Vout(+)
Function
Positive input voltage
TTL input to turn converter on and off,
referenced to Vin(–), with internal pull up.
Negative input voltage
Negative output voltage
Negative remote sense(see note 1)
Output voltage trim (see note 2)
Positive remote sense (see note 3)
Positive output voltage
Notes:
1)
SENSE(–) should be connected to Vout(–) either remotely or
at the converter.
2)
Leave TRIM pin open for nominal output voltage.
3)
SENSE(+) should be connected to Vout(+) either remotely or
at the converter.
Doc.# 005-0005309 Rev. G
11/20/13
Page 28
Technical
Specification
IQ24xxxSKXxxx
PART NUMBERING SYSTEM
ORDERING INFORMATION
The part numbering system for SynQor’s dc-dc converters follows the format
shown in the example below.
The tables below show the valid model numbers and ordering options for
converters in this product family. When ordering SynQor converters, please
ensure that you use the complete 15 character part number consisting of
the 12 character base part number and the additional characters for options.
InQor units are only available with 6/6 RoHS compliance indicated by "-G".
IQ 2 4 0 1 2 S K C 2 0 N R S - G
IQ24012SKw20xyz
IQ24015SKw16xyz
IQ24018SKw14xyz
IQ24025SKw10xyz
IQ24033SKw08xyz
IQ24050SKw05xyz
IQ24070SKw04xyz
IQ24120SKw02xyz
IQ24150SKw02xyz
Options
(see
Ordering Information)
Output Current
Thermal Design
Performance Level
Package Size
Output Voltage
Input Voltage
Product Family
The first 12 characters comprise the base part number and the last 3
characters indicate available options. The “-G” suffix indicates 6/6 RoHS
compliance.
Input
Voltage
24V
24V
24V
24V
24V
24V
24V
24V
24V
Model Number
6/6 RoHS
Max Output
Current
20A
16A
14A
10A
8A
5A
3.5A
2A
1.7A
The following options must be included in place of the w x y z spaces in the
model numbers listed above.
Thermal Design
w
Options Description
Enable Logic Pin Style
x
y
C - Encased
V - Encased with
Flanged Baseplate
Application Notes
Output
Voltage
1.2V
1.5V
1.8V
2.5V
3.3V
5V
7V
12V
15V
N - Negative
Feature Set
z
R - 0.180"
S - Standard
A variety of application notes and technical white papers can be downloaded
in pdf format from our website.
RoHS Compliance: The EU led RoHS (Restriction of Hazardous
Substances) Directive bans the use of Lead, Cadmium, Hexavalent
Chromium, Mercury, Polybrominated Biphenyls (PBB), and Polybrominated
Diphenyl Ether (PBDE) in Electrical and Electronic Equipment. This SynQor
product is 6/6 RoHS compliant. For more information please refer to
SynQor’s RoHS addendum available at our RoHS Compliance / Lead
Free Initiative web page or e-mail us at [email protected].
Not all combinations make valid part numbers, please contact SynQor for
availability.
PATENTS
SynQor holds the following U.S. patents, one or more of which apply to
each product listed in this document. Additional patent applications may
be pending or filed in the future.
Contact SynQor for further information and to order:
Phone:
Toll Free:
Fax:
E-mail:
Web:
Address:
Product # IQ24xxxSKXxxx
978-849-0600
888-567-9596
978-849-0602
[email protected]
www.synqor.com
155 Swanson Road
Boxborough, MA 01719
USA
Phone 1-888-567-9596
5,999,417
6,222,742
6,545,890
6,577,109
6,594,159
6,731,520
6,894,468
6,896,526
6,927,987
7,050,309
7,072,190
7,085,146
7,119,524
7,269,034
7,272,021
7,272,023
7,558,083
7,564,702
7,765,687
7,787,261
8,023,290
8,149,597
8,493,751
Warranty
SynQor offers a two (2) year limited warranty. Complete warranty
information is listed on our website or is available upon request from
SynQor.
Information furnished by SynQor is believed to be accurate and reliable.
However, no responsibility is assumed by SynQor for its use, nor for any
infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any
patent or patent rights of SynQor.
www.synqor.com
Doc.# 005-0005309 Rev. G
11/20/13
Page 29