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Beijing V-young Tech.Development Co.,Ltd
Add:Building 4, No.29, Huaiyin Street, Houbaihujian Village, Yangfang Town
Tel:+86-010-62477084-1015
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DC-DC Converters

1/4 Brick DC-DC Converters

1/4 Brick DC-DC Converters

48V to 5V 125W isolated 1/4 brick DC-DC converters....

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Product Advantage:

+Featured by high efficiency (up to 91%), low airflow requirement for cooling, standard quarter-brick package and pinout, extensive control and protection. UL/EN/IEC safety approvals and certifications.

+Suitable for ICT equipment, semiconductor manufacturing equipment, measuring equipment and general industrial equipment, perfectly suits industrial, medical and telecom applications.

+Quarter brick module power supply series of high precision, small output ripple output voltage, output voltage plus or minus 10% is adjustable, with input under-voltage protection, output, output over-current, over-voltage protection, short circuit protection, over temperature protection and other protection function.

+It can be used for communication, data transmission, electrical control equipment and distributed power supply system. Importantly, it can provide the corresponding chip voltage level according to customer environment.

+Our offered products are extensively admired by our clients for their remarkable quality and cost effectiveness. If this item doesn’t meet your expectations, please do not hesitate to inform us, and our service team will provide best solution. We make every effort to meet your requirements, never being blindsighted by short-term interest.

Key Features:

Model Number: VQD125-48S05

Output: Single output

Isolation: Isolated output

Type: Industry standard 1/4 brick

Electrical Features:

Input Features:

Input Voltage

36-75Vdc

Control

ON CNT open or connect to +Vin
OFF CNT connect to -Vin

Ouput Features:

Output Voltage

5Vdc

Setpoint Accuracy

±1%

Trim Range

±10%

Line Regulation

±0.3%

Load Regulation

±0.5%

Dynamic Response

4%Vo Pk Deviation
400µS settling time

50~75% load
50~25% load

Remote Sense Compensation

0.5V

Ripply&Noise

50mVp-p

Temperature Coefficient

±0.02%/℃

General Features:

Isolation voltage

1500Vdc

Switching frequency

400KHz

Efficiency

91%

MTBF

2×105h

Hand soldering time

5s

Working case temperature

-40℃~85℃

Storage temperature

-55℃~125℃

Relative humidity

10%~90%

Short-circuit protection

continuous automatic recovery

Mechanical Drawing/ inches(mm):

1.jpg

Pins Definition:

Pins

1

2

3

4

5

6

7

8

Definition

-Vin

CNT

+Vin

+Vo

+S

TRIM

-S

-Vo