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GDQ54S12B-4A DC-DC Converter
Technical Manual
Product Description
The GDQ54S12B-4A is a new generation
isolated DC-DC converter that uses an industry
standard quarter-brick structure, featuring high
efficiency and power density with low output
ripple and noise. It operates from an input
voltage range of 36 V to 75 V, and provides the
rated output voltage of 12 V as well as the
maximum output current of 54 A.
Issue 02 (2021-09-03)
Copyright © Huawei Technologies Co., Ltd.
2
Product Overview
Features
● Efficiency: 95.5% (T
50% load)
● Length x Width x Height: 57.9 mm x 36.8
mm x 13.4 mm (2.28 in. x 1.45 in. x 0.53 in.)
● Weight: 85 g
● Input undervoltage protection
● Auxilary undervoltage protection
● Output overcurrent protection (hiccup
mode)
● Output short circuit protection (hiccup
mode)
● Output overvoltage protection (hiccup
mode)
● Overtemperature protection (self-recovery)
● Remote on/off
● UL certification
● UL 62368-1, IEC 62368-1, EN 62368-1,
GB4943-1 compliant
● RoHS6 compliant
2 Product Overview
= 25°C; V
= 36 V,
A
in
5
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