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GDQ54S12B-4A DC-DC Converter
Technical Manual
5.2 Pin Distribution
Table 5-1 Pin distribution
Pin No.
Pin name
1
V
(+)
in
2
On/Off
3
V
(–)
in
4
V
(–)
out
5
V
(+)
out
Issue 02 (2021-09-03)
NO TE
1. All dimensions in mm [in.].
Tolerances: x.x ± 0.5 mm [x.xx ± 0.02 in.]; x.xx ± 0.25 mm [x.xxx ± 0.010 in.].
2. Pins 1–3 are 1.00 ± 0.05 mm [0.040 ± 0.002 in.] diameter with 2.00 ± 0.10 mm [0.080
± 0.004 in.] diameter standoff shoulders. Pins 4–5 are 1.50 ± 0.05 mm [0.060 ± 0.002 in.]
diameter with 2.50 ± 0.10 mm [0.098 ± 0.004 in.] diameter standoff shoulders. Pins 8–
15 are 0.50 ± 0.05 mm [0.020 ± 0.002 in.] diameter standoff shoulders.
3. M3 screw used to bolt unit is baseplate to other surfaces (such as heats ink) must not
exceed 4.0 mm [0.157 in] depth blow the surface of baseplate.
4. Components will vary between models.
NO TE
When the converter is in use, the voltage of each pin must not exceed the value listed in
Table
Table
5-1. If the voltage exceeds the value listed in Table
converter may be damaged.
Function
Converter input pin, positive
Converter remote on/off pin. For details
about the application method, see
On/Off
Pin.
Converter input pin, negative
Converter output pin, negative
Converter output pin, positive
Copyright © Huawei Technologies Co., Ltd.
5 Product Structure Overview
5.2 Pin
Distribution, the
Absolute withstand
voltage
–0.3 V to 100 V/100 ms,
V
(–) as reference
in
–0.7 V to 12 V, V
(–) as
in
reference
-
-
15
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