SynQor IQ32280HPC5INRS Half-brick dc-dc converter Datasheet

Technical
Specification
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9-75 V
100 V
IQ32-HPC Family
1.8-48 V
165 W
2250 V dc
Half-brick
Outputs
Max Power
Isolation
DC-DC Converter
Continuous Input Transient Input
The InQor® Half-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 efficiencies, up to 88% at full rated load current
• Delivers full power with minimal derating - no heatsink required
• Operating input voltage range:
9 - 75 V, 100 V transient for 100 ms
• Fixed frequency switching provides predictable EMI
• No minimum load requirement
Mechanical Features
Protection Features
• Industry standard Half-brick pin-out configuration
• Standard size: 2.390" x 2.490" x 0.512"
(60.6 x 63.1 x 13.0 mm)
• Total weight: 5 oz (142 g)
•
•
•
•
•
•
Control Features
• On/Off control referenced to input side
• Remote sense for the output voltage
• Output voltage trim range of -20%, +10%
Input under-voltage lockout
Input over-voltage shutdown
Output current limit and short circuit protection
Active back bias limit
Output over-voltage protection
Thermal shutdown
contents
Page No.
Safety Features
• 2250 V, 30 MW input-to-output isolation
• UL/cUL 60950-1 recognized (US & Canada),
basic insulation rating
• TUV certified to EN60950-1
• Meets 72/23/EEC and 93/68/EEC directives which facilitates
CE Marking in user’s end product
• Board and plastic components meet UL94V-0 standard
• RoHS compliant (see last page)
Product # IQ32xxxHPCxx
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Mechanical Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
IQ32-HPC Family Electrical Characteristics . . . . . . . . . . . . . . . . . . . 3 - 4
IQ32-HPC Family Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
IQ32018HPC55 (1.8 V, 55 A) Available in the Future . . . . . . . . . . . . . . . . IQ32033HPC45 (3.3 V, 45 A) Available in the Future . . . . . . . . . . . . . . . . IQ32050HPC32 (5.0 V, 32 A) Available in the Future . . . . . . . . . . . . . . . . IQ32120HPC13 (12 V, 13 A) Available in the Future . . . . . . . . . . . . . . . . IQ32150HPC11 (15 V, 11 A) Available in the Future . . . . . . . . . . . . . . . . IQ32240HPC6H (24 V, 6.7 A) Available in the Future . . . . . . . . . . . . . . . . IQ32280HPC5I (28 V, 5.8 A) Available in the Future . . . . . . . . . . . . . . . . IQ32400HPC04 (40 V, 4.0 A) Available in the Future . . . . . . . . . . . . . . . . IQ32480HPC3E (48 V, 3.4 A) Characteristics and Figures . . . . . . . . . . 6 - 7
Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 11
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
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Doc.# 005-005H332 Rev. 1
08/13/08
Page 1
Technical
Specification
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IQ32-HPC Family
MECHANICAL DIAGRAM
PIN DESIGNATIONS
NOTES
1) Pins 1-3, 5-7 are 0.040" (1.02 mm) diameter with 0.080"
(2.03 mm) diameter standoff shoulders.
2) Pins 4 and 8 are 0.080” (2.03 mm) diameter with 0.125”
(3.18 mm) diameter standoff shoulders.
3) Recommended pin length is 0.03" (0.76 mm) greater than the
PCB thickness.
4) All Pins: Material - Copper Alloy; Finish - Matte Tin over Nickel
plate
5) Undimensioned components shown are for visual reference only.
6) Weight: 5 oz. (142 g) typical
7) All dimensions in inches (mm)
Tolerances: x.xx +/-0.02 in. (x.x +/-0.5 mm)
x.xxx +/-0.010 in. (x.xx +/-0.25 mm)
8) Workmanship: Meets or exceeds current IPC-A-610 Class II
9) Applied torque per screw should not exceed 6in-lb. (0.7 Nm).
10) Baseplate flatness tolerance is 0.004" (.10 mm) TIR for surface.
Pin
No.
Name
Function
1
Vin (+)
Positive input voltage
2
ON/OFF
TTL input to turn converter
on and off, referenced to
Vin (-) with internal pull up
3
Vin (-)
Negative input voltage
4
Vout (-)
Negative output voltage
5
SENSE (-)
Negative remote sense 1
6
TRIM
7
SENSE (+)
Positive remote sense 3
8
Vout (+)
Positive output voltage
Output voltage trim 2
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.
Product # IQ32xxxHPCxx
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Doc.# 005-005H332 Rev. 1
08/13/08
Page 2
Technical
Specification
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IQ32-HPC Family
IQ32 FAMILY ELECTRICAL CHARACTERISTICS (all output voltages)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 32 V dc 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
100
Operating
75
Operating Transient Protection
100
Isolation Voltage
Input to Output
2250
Input to Base-Plate
2250
Output to Base-Plate
2250
Operating Temperature
-40
100
Storage Temperature
-55
125
Voltage at ON/OFF input pin
-2
18
INPUT CHARACTERISTICS
Operating Input Voltage Range
9
32
75
Input Under-Voltage Lockout
Turn-On Voltage Threshold
11.0
11.2
11.5
Turn-Off Voltage Threshold
8.1
8.4
8.7
Lockout Voltage Hysteresis
2.8
Input Over-Voltage Shutdown
Recommended External Input Capacitance
470
Input Filter Component Values (L\C)
0.34\13.2
DYNAMIC CHARACTERISTICS
Turn-On Transient
Turn-On Time
10
Start-Up Inhibit Time
200
230
250
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
255
275
295
ON/OFF Control
Off-State Voltage
2.4
18
On-State Voltage
-2
0.8
ON/OFF Control
Pull-Up Voltage
5
Pull-Up Resistance
50
Over-Temperature Shutdown OTP Trip Point
125
Over-Temperature Shutdown Restart Hysteresis
10
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia) TR-NWT-000332
TBD
Calculated MTBF (MIL-217) MIL-HDBK-217F
TBD
Field Demonstrated MTBF
Note 1: Start-up guaranteed above 11.5 V, but will operate down to 9V
Note 2: Higher values of isolation capacitance can be added external to the module.
Product # IQ32xxxHPCxx
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Units Notes & Conditions
V
V
V
V dc
V dc
V dc
°C
°C
V
V
Continuous
Continuous
100 ms
Baseplate temperature
100 V, 100 ms Transient; See Note 1
V
V
V
V
µF
µH\µF
Not Available
Typical ESR 0.1-0.2 Ω
Internal values; see Figure E
ms
ms
%
Full load, Vout=90% nom.
-40 °C to +125 °C; Figure F
Maximum Output Capacitance
See Absolute Maximum Ratings
MΩ
pF
See Note 2
°C
°C
°C
°C
Package rated to 150 °C
UL rated max operating temp 130 °C
kHz
Isolation stage switching freq. is half this
V
Application notes Figures A & B
V
kΩ
°C
°C
Average PCB Temperature
106 Hrs. 80% load, 200LFM, 40 °C Ta
106 Hrs. 80% load, 200LFM, 40 °C Ta
106 Hrs. See our website for details
Doc.# 005-005H332 Rev. 1
08/13/08
Page 3
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STANDARDS COMPLIANCE
Parameter
STANDARDS COMPLIANCE
UL/cUL 60950-1 EN60950-1 Needle Flame Test (IEC 695-2-2)
IEC 61000-4-2
Technical
Specification
IQ32-HPC Family
Notes & Conditions
File # E194341, Basic insulation
Certified by TUV
Test on entire assembly; board & plastic components UL94V-0 compliant
ESD test, 8 kV - NP, 15 kV air - NP (Normal Performance)
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.
QUALIFICATION TESTING
Parameter
QUALIFICATION TESTING
Life Test
Vibration
Mechanical Shock
Temperature Cycling
Power/Thermal Cycling
Design Marginality
Humidity
Solderability
Product # IQ32xxxHPCxx
# Units
32
5
5
10
5
5
5
15 pins
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Test Conditions
95% rated Vin and load, units at derating point, 1000 hours
10-55 Hz sweep, 0.060" total excursion, 1 min./sweep, 120 sweeps for 3 axis
100g minimum, 2 drops in x and y axis, 1 drop in z axis
-40 °C to 100 °C, unit temp. ramp 15 °C/min., 500 cycles
Toperating = min to max, Vin = min to max, full load, 100 cycles
Tmin-10 °C to Tmax+10 °C, 5 °C steps, Vin = min to max, 0-105% load
85 °C, 85% RH, 1000 hours, continuous Vin applied except 5 min/day
MIL-STD-883, method 2003
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Doc.# 005-005H332 Rev. 1
08/13/08
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Technical
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IQ32-HPC Family
IQ32 Family Figures (all output voltages)
120
Typical Current Limit Inception Point
Nominal Vout
Output Voltage (%)
100
80
Typical Output Voltage at Shutdown
60
40
Vin min
Vin nom
20
Vin max
0
5.00
0
10
20
30
40
50
60
70
80
90 100 110 120 130 140 150
Load Current (% )
Common Figure 1: Typical startup waveform. Input voltage pre-applied,
ON/OFF Pin on Ch 2.
1,000,000
Trim Resistance (kOhms)
Trim Resistance (kOhms)
100,000
Common Figure 2: Output voltage vs. load current showing typical
current limit curves and converter shutdown points.
10,000
1,000
100
10
100,000
10,000
1,000
100
0
1
2
3
4
1.8 V
5
3.3 V
6
5V
7
8
9
10
12 V
0
1
2
3
15 V
Common Figure 3: Trim graph for trim-up 1.8 to 12 V outputs.
4
24 V
5
6
28 V
7
40V
8
9
10
48 V
Common Figure 4: Trim graph for trim-up 15 to 48 V outputs.
10,000.0
Trim Resistance (kOhms)
% Decrease in Vout (All voltages)
1,000.0
100.0
10.0
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
% Decrease in Vout (All voltages)
Common Figure 5: Trim graph for trim down.
Product # IQ32xxxHPCxx
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Doc.# 005-005H332 Rev. 1
08/13/08
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Technical Specification
Input:
Output:
Current:
Part No.:
9 - 75 V
48 V
3.7 A
IQ32480HPC3H
IQ32480HPC3E ELECTRICAL CHARACTERISTICS (48.0 Vout)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 32 V dc 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
Output DC Current-Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/µs)
Settling Time
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
EFFICIENCY
100% Load
50% Load
Typ.
25
48
48.48
V
±0.1
±0.1
±0.3
±0.3
720
49.20
%
%
mV
V
160
30
3.4
4.42
100
mV
mV
A
A
V
A
mA
µF
10
10
61.0
mV
µs
%
%
V
50% to 75% to 50% Iout max
To within 1% Vout nom
Across Pins 8&4; Common Figures 3-5; see Note 2
Across Pins 8&4
Over full temp range
%
%
See Figure 1 for efficiency curve
See Figure 1 for efficiency curve
47.52
-720
46.80
0
80
17
4.08
31
0.1
5
23
230
2
2200
80
-20
56.2
Units Notes & Conditions
A
mA
mA
V
mA
A
180
1
3.9
900
0
3.74
Max.
58.6
87
88
10 Vin; nominal output; in current limit
1000 V/ms, 32 V to 100 V step; see Figure 6
RMS
Fast acting external fuse recommended
Over sample, line, load, temperature & life
20 MHz bandwidth; see Note 1
Full load
Full load
Subject to thermal derating
Output voltage 10% Low
Negative current drawn from output
Negative current drawn from output
Vout nominal at full load (resistive load)
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: Trim-up range is limited below 10% at low line and full load.
Product # IQ32xxxHPCxx
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Doc.# 005-005H332 Rev. 1
08/13/08
Page 6
Input:
Output:
Current:
Part No.:
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Technical Specification
100
35
95
30
Power Dissipation (W)
Efficiency (%)
90
85
80
75
70
9 Vin
32 Vin
75 Vin
65
25
20
15
10
9 Vin
32 Vin
5
75 Vin
60
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.0
0.5
1.0
Load Current (A)
1.5
2.0
2.5
3.0
3.5
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
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)
9 - 75 V
48 V
3.7 A
IQ32480HPC3H
2.0
1.5
2.0
1.5
400 LFM (2.0 m/s)
1.0
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
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
85
Ambient Air Temperature (°C)
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Encased converter (without heatsink) max. output power derating vs.
ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows
across the converter from input to output (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 input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 1 µF ceramic capacitor. Ch 1: Vout
(2 V/div), Ch 2: Iout (1 A/div).
Figure 6: Output voltage response to step-change in input voltage
(500 V/ms). Load cap: 100 µF, electrolytic output capacitance.
Ch 1: Vout (2 V/div), Ch 2: Vin (10 V/div).
Product # IQ32xxxHPCxx
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Doc.# 005-005H332 Rev. 1
08/13/08
Page 7
Technical
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IQ32-HPC Family
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.
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.
ON/OFF
ON/OFF
Vin(_)
Vin(_)
Remote Enable Circuit
5V
Negative Logic
(Permanently Enabled)
50k
5V
ON/OFF
ON/OFF
TTL
TTL/
CMOS
ON/OFF
Vin(_)
Vin(_)
Open Collector Enable Circuit
100pF
Vin(_)
Direct Logic Drive
Figure A: Various circuits for driving the ON/OFF pin.
Product # IQ32xxxHPCxx
50k
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Figure B: Internal ON/OFF pin circuitry
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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
∆% )
(kW)
where
∆% =
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+∆%)
1.225∆%
_ 511 _ 10.22
∆%
)
(kW)
Vout = Nominal Output Voltage
Graphs on Page 3 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.
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.
Product # IQ32xxxHPCxx
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Technical
Specification
IQ32-HPC Family
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.# 005-005H332 Rev. 1
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Technical
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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 D provides a typical circuit
diagram which details the input filtering and voltage trimming.
Input Filtering and external Capacitance: Figure E 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.
IQ32-HPC Family
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:
• Input Under-Voltage Lockout
• Input Over-Voltage Shutdown
• Output Over-Voltage Protection
• Over Temperature Shutdown
• Current Limit
• Short Circuit Protection
• Turned off by the ON/OFF input
Figure F shows three turn-on scenarios, where a Startup Inhibit
Period is initiated at t0, t1, and t2:
Vin(+)
External
Input
Filter
Vin
Vout(+)
Vsense(+)
Electrolytic
Capacitor
ON/OFF
Trim
Vsense(_)
Vin(_)
Rtrim-up
or
Rtrim-down
Cload
Iload
Vout(_)
Figure D: Typical application circuit (negative logic unit, permanently enabled).
L
Vin(+)
C
Vin(_)
Figure E: Internal Input Filter Diagram (component values listed on the specifications page).
Product # IQ32xxxHPCxx
Phone 1-888-567-9596
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Doc.# 005-005H332 Rev. 1
08/13/08
Page 10
Technical
Specification
Y
R
A
IN
M
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R
P
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.
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 baseplate 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.
IQ32-HPC Family
maximum power the converter can dissipate for a given thermal
condition if its base-plate is to be no higher than 100 ºC.
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, Figures 3 and 4 provide Power derating curves
for an encased converter without a heatsink and with a typical
1/4" high heatsink.
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
Vin
Under-Voltage
Lockout TurnOn Threshold
ON/OFF
(neg logic)
ON
OFF ON
Vout
OFF
ON
9ms (typical
turn on time)
200ms
(typical start-up
inhibit period)
200ms
200ms
t1
t0
t2
t
Figure F: Startup Inhibit Period (turn-on time not to scale)
Product # IQ32xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-005H332 Rev. 1
08/13/08
Page 11
Technical
Specification
Y
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IN
M
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IQ32-HPC Family
PART nUMBeRInG SYSTeM
ORDeRInG InFORMATIOn
The part numbering system for SynQor’s InQor 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 3 characters for options.
A “-G” suffix indicates the product is 6/6 RoHS compliant.
IQ
3 2 018 H P C 5 5 N R S - G
6/6 RoHS
Options
(see
Ordering Information)
Model Number
Output Current
Thermal Design
IQ32018HPC55xyz
IQ32033HPC45xyz
IQ32050HPC32xyz
IQ32120HPC13xyz
IQ32150HPC11xyz
IQ32240HPC6Hxyz
IQ32280HPC5Ixyz
IQ32400HPC04xyz
IQ32480HPC3Exyz
(see Ordering Info)
Performance Level
Package Size
Output Voltage
Input Voltage
Product Family
Continuous
Input Voltage
9 - 75 V
9 - 75 V
9 - 75 V
9 - 75 V
9 - 75 V
9 - 75 V
9 - 75 V
9 - 75 V
9 - 75 V
Transient Input
Voltage
100 V – 100 ms
100 V – 100 ms
100 V – 100 ms
100 V – 100 ms
100 V – 100 ms
100 V – 100 ms
100 V – 100 ms
100 V – 100 ms
100 V – 100 ms
Output
Voltage
1.8 V
3.3 V
5.0 V
12 V
15 V
24 V
28 V
40 V
48 V
Maximum
Output Current
55 A
45 A
32 A
13 A
11 A
6.7 A
5.8 A
4.0 A
3.4 A
The following options must be included in place of the x y z
spaces in the model numbers listed above.
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.
Options Description: x y z
Application notes
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].
Enable
Logic
Pin Length
Feature Set
N - Negative
R - 0.180"
S - Standard
PATenTS
SynQor holds the following patents, one or more of which
might apply to this product:
5,999,417
6,594,159
6,927,987
7,119,524
6,222,742
6,731,520
7,050,309
7,269,034
6,545,890
6,894,468
7,072,190
7,272,021
6,577,109
6,896,526
7,085,146
7,272,023
Contact SynQor for further information:
Phone:
Toll Free:
Fax:
E-mail:
Web:
Address:
Product # IQ32xxxHPCxx
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
Warranty
SynQor offers a three (3) 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.# 005-005H332 Rev. 1
08/13/08
Page 12