ASD150QB series

ASD150QB
150 Wa t t , H i g h E ff ic i enc y, Quart er B ric k DC/DC Co n ve rte r
series
Industry Standard Quarter Brick Package
High Power Density up to 90W/ Inch ³
High Typical Efficiency of 91%
Low Output Noise
Metal Baseplate
Thermal Protection
Input Under Voltage Protection
Output Over Voltage Protection
Current Limit/Short Circuit Protection
Adjustable Output Voltage 90-110% of Vo
Remote Sense
DESCRIPTION:
The ASD150QB dc/dc converter is offered in the industry standard “quarter
brick” size (2.28in. x 1.45in. x 0.50in.) for circuit board mounting. It is designed
for use in a 24/28 Vdc (18-36Vdc) or 48 Vdc (36-75Vdc) input applications
where exceptionally high density DC power is required. The ASD150QB utilizes
an insulated metal substrate and is therefore well suited for the most rigorous
requirements of COTS and thermally challenging industrial applications.
Positive Remote ON/OFF Control (Negative Logic is
Optional)
RoHS Compliant
Model Number
Output Voltage Output Amps Input Range Max. Iin FL Efficiency (Tb=25°C) O/P Set Point ISC (Hiccup)
ASD150-24S3.3QB
ASD150-48S3.3QB
ASD150-24S5QB
ASD150-48S5QB
ASD150-24S12QB
ASD150-48S12QB
3.3 VDC
3.3 VDC
5 VDC
5 VDC
12 VDC
12 VDC
45
45.45
30
30
12.5
12.5
18-36 VDC
36-75 VDC
18-36 VDC
36-75 VDC
18-36 VDC
36-75 VDC
10A
5A
10A
5A
10A
5A
91%
91%
91%
92.5%
91.5%
92.5%
3.267-3.333V
3.25-3.35V
4.95-5.05V
4.95-5.05V
11.88-12.12V
11.88-12.12V
45 Arms
45.45 Arms
30 Arms
30 Arms
20 Arms
20 Arms
All specifications are typical at nominal input, full load, and 25DegC unless
otherwise noted
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150 Wa t t , H i g h E ff ic i enc y, Quart er B ric k DC/DC Co n ve rte r
ASD150QB
ABSOLUTE MAXIMUM RATINGS (MIN TO MAX.)
STRUCTURAL DYNAMICS
Input Voltage (+In to -In)
24Vin:
-0.3 to 36VDC (50VDC <100mS)
48Vin:
-0.3 to 75VDC (100VDC <100mS)
Logic ON/OFF Voltage
-0.3 to 5V (ON/OFF to -In)
Storage Temperature
-40 to +125°C
Storage Humidity
10 to 95%
Operating Temperature (Note 5) -40 to 100°C
Operating Humidity
30 to 95%
Output Power
150 Watts
Vibration
Shock
INPUT SPECIFICATIONS
Input Operation Voltage:
See Model Selection Chart PG. 1
Input Current FL @ Nom Vin, FL See Model Selection Chart PG. 1
Inrush Transient
1A²s
Input Reflected Ripple Current 40mAp-p, typ. (60mA max.)
Input Ripple Rejection
[email protected]
Input Under Voltage Protection (24Vin/48Vin)
Turn-on Threshold: 17.5-18V/34-36V max.
Turn-off Threshold: 15.5-16V/30-32V typ.
Hysteresis: 1-1.5V/2.0V typ.
OUTPUT SPECIFICATIONS
Output Voltage & Current
Output Set Point (Vo,set; Note 6)
Output Voltage Tolerance Band
Load/Load Regulation Temperature Coefficient
Ripple/Noise p-p max. (Note 1)
Dynamic Response (Vo, Set):
Peak Deviation
Settling Time
Over Voltage Protection
Over Temperature Protection
External Capacitance
Short Circuit Protection (ISC)
Current Limit (Note 2)
Efficiency (Nom. Vin, 80% Load)
See Model Selection Chart PG. 1
See Model Selection Chart PG. 1
+/-3%
20mV max. +/-0.02%/°C, -40 to 100°C
3.3, 5Vo: 70mV; 12Vo: 120mV
6% max., Nom. Vin, Tb=25°C (Note 3)
300uS duration outside of Vo set
+/-1% error band
112-140% of Output, Io=0.5A
100-115°C, auto recover @ 90°C
See Fig. 3 for location definition
660 to 5000uF max.
See Model Selection Chart PG. 1
105-145% of Rated Load
See Model Selection Chart PG. 1
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series
(Note 4)
20g, 166in/sec, Square Wave
ISOLATION SPECIFICATIONS
Input-Output, Input-Case
Output-Case
Input-Output Capacitance
Isolation Resistance
1500VDC, 60S
500VDC, 60S
2000pF
100MΩ @ Tb=25°C & 70%RH
Output to Baseplate-500VDC
GENERAL SPECIFICATIONS
MTBF
Weight
Dimensions
1.8Mhrs Tb=40°C, 80%FL
2.29 oz (65g)
2.28” x 1.45” x 0.5”
(57.91 x 36.83 x 12.7mm)
CONTROL SPECIFICATIONS
Logic ON/OFF Remote
Positive Logic:
Off State Voltage: 0.8V max.
On State Voltage: 2V min.
Negative Logic (optional):
Off State Voltage: 2V min.
On State Voltage: 0.8V max.
Turn-On Time
40mS, Vo=90% of Vo, set
Trim Adjustment Range
90-110% See TRIM CIRCUITS
Figs 1 & 2
NOTES
1.2.Bandwidth 5Hz to 20MHz and with filter 0.1uF MLCC
Nominal Vin; Io=FL; Tb=25°C; Output Capacitor with 220uF*3.
2. Current Limit inception point Vo=90% of Vo, set.
3. 25%-50%-75% load, Δ Io/ Δ t=0.1A/uS; w/o Cap. 220uF*3 each
4. Sine Wave, 10-55Hz (Sweep for 1 min.), Amplitude 0.825mm
Constant (Max. 5g) X, Y. Z 1 Hour each, at No Operation
5. Temperature measurement shall be taken from the baseplate (Tb).
See Fig. 3 for location definition.
6. Tb=25°C, Nominal Vin, Full Load (FL)
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150 Wa t t , H i g h E ff ic i enc y, Quart er B ric k DC/DC Co n ve rte r
ASD150QB
series
TRIM CIRCUIT:
A. Trim down: The resistor for output voltage trim-down function could be calculated with the following formula:
+ Out
+Sense
Trim
R
Rtrim-down
Load
trim −down
(
=
)
100%
− 2 ( kΩ )
∆%
Δ% : Output voltage change rate against nominal output
voltage.
-Sense
-Out
Fig. 1 The schematic for output voltage trim down.
B. Trim up: The resistor for output voltage trim-up function could be calculated with the following formula
+ Out
+Sense
Trim
R
Rtrim-up
Load
trim −up
[
=
]
Vo (100% + ∆ %) (100% + 2∆ %)
−
( kΩ )
∆%
1.225∆ %
Vo: The nominal output voltage.
Δ% : Output voltage change rate against nominal output
-Sense
voltage.
-Out
Fig. 2 The schematic for output voltage trim up.
BASEPLATE MEASURE POINT:
UNIT: mm
Fig. 3 Baseplate Temperature Measure Point.
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150 Wa t t , H i g h E ff ic i enc y, Quart er B ric k DC/DC Co n ve rte r
ASD150QB
series
EFFICIENCY CURVE: 24VIN, 3.3VOUT
18 Vin
24 Vin
94
Efficiency (%)
36 Vin
92
90
88
86
84
82
80
78
76
0%
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Output Power ,max = 150W (%)
EFFICIENCY CURVE : 48VIN, 3.3VOUT
Efficiency %
36 Vin
48 Vin
75 Vin
94
92
90
88
86
84
82
80
78
76
74
72
70
68
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Io,max = 45.45 A
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150 Wa t t , H i g h E ff ic i enc y, Quart er B ric k DC/DC Co n ve rte r
EFFICIENCY CURVE:
ASD150QB
series
24VIN, 5.0VOUT
18 Vin
24 Vin
94
Efficiency (%)
36 Vin
92
90
88
86
84
82
80
78
0%
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Output Power ,max = 150W (%)
EFFICIENCY CURVE : 48VIN, 5.0VOUT
Efficiency %
36 Vin
48 Vin
75 Vin
94
92
90
88
86
84
82
80
78
76
74
72
70
68
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Io,max = 30 A
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150 Wa t t , H i g h E ff ic i enc y, Quart er B ric k DC/DC Co n ve rte r
EFFICIENCY CURVE:
ASD150QB
series
24VIN, 12VOUT
18 Vin
24 Vin
94
Efficiency (%)
36 Vin
92
90
88
86
84
82
80
78
76
0%
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Output Power ,max = 150W (%)
EFFICIENCY CURVE :
48VIN, 12VOUT
Efficiency %
36 Vin
48 Vin
75 Vin
94
92
90
88
86
84
82
80
78
76
74
72
70
68
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Io,max = 12.5 A
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150 Wa t t , H i g h E ff ic i enc y, Quart er B ric k DC/DC Co n ve rte r
ASD150QB
series
DERATING CURVE:
Output Power (%)
Baseplate Temperature ( )
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150 Wa t t , H i g h E ff ic i enc y, Quart er B ric k DC/DC Co n ve rte r
ASD150QB
series
OUTLINE DRAWING:
OUTLINE PIN ASSIGNMENT:
Pin Number
Signal name: 3.3 & 5Vo
1
Input (-)
Input (-)
2
On/Off Control
On/Off Control
3
Input (+)
Input (+)
4
Output (+)
No Pin
5
Output (+)
Output (+)
6
Sense (+)
Sense (+)
7
Trim
Trim
8
Sense (-)
Sense (-)
9
Output (-)
Output (-)
10
Output (-)
No Pin
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Signal name: 12Vo
0315
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