Huawei GAQ40S3V3B Technical Manual

GAQ40S3V3B
DC-DC Converter Technical Manual V1.4
Quarter-Brick
DC-DC Converter
Description
The GAQ40S3V3B is a new generation isolated
DC-DC converter that uses an industry standard
quarter-brick structure, and features high
efficiency and power density, operates from an
input voltage range of 36 V to 75 V, provides the
rated output voltage of 3.3 V and the maximum
output current of 40 A.
Operational Features
Input voltage: 36 - 75 V

Output current: 0 - 40 A

Low output ripple and noise

Efficiency: 93.5% (3.3 V, 40 A)

Mechanical Features
Industry standard quarter-brick (D x W x H,

with a baseplate): 57.9 mm x 36.8 mm x 12.7
mm (2.28 in. x 1.45 in. x 0.50 in.)
Weight: about 58 g

Protection Features
Input undervoltage protection

Output overcurrent protection (hiccup mode)

Output short circuit protection (hiccup mode)

Output overvoltage protection (hiccup mode)

Overtemperature protection

GLOBAL ENERGY EFFICIENCY SPECIALIST
Copyright© 2012 Huawei Technologies Co., Ltd. All Rights Reserved.
THIS DOCUMENT IS FOR INFORMATION PURPOSE ONLY, AND DOES NOT CONSTITUTE ANY KIND OF WARRANTIES.
36 - 75 V
3.3 V Output
Input
Control Features



Safety Features



(self-recovery)
40 A Current
GAQ40S3V3B
Remote on/off
Remote sense
Output voltage trim
UL60950-1 and CSA C22.2 No. 60950-1-07
Meet UL94V-0 flammability requirements
RoHS6 compliant
1
Negative
Logic