Sichuan Junhengtai Electronic & Electric Appliance Co., Ltd.
Main products:21" tv chassis,21" tv mainbord,34" tv kit
Products
Contact Us
  • Contact Person : Ms. Zhan Amy
  • Company Name : Sichuan Junhengtai Electronic & Electric Appliance Co., Ltd.
  • Tel : 86-028-87831680-803
  • Fax : 86-028-87831680-803
  • Address : Sichuan,chengdu,Light industrial and textile industry,Xipu town,Chengdu city,China
  • Country/Region : China
  • Zip : 610037

250W LCD power supply pcb

250W LCD power supply pcb
Product Detailed
Power board for LCD tv 1. Size for screen LCD47 inch. 2. High Efficiency 3. Competitive price and good quality

1. Input Electrical Characteristics

Input Voltage Range: 100 to 240Vac, Single phase.

Input Frequency Range: 47 To 63Hz

Input Current:

1)2.5 A Max, at 110Vac, Full load

2) 1.5A Max, at 220Vac, Full load

Efficiency:

1) Greater than 84%,AT FULL LOAD 230Vac,50Hz

2)80%,AT FULL LOAD 115Vac,60Hz greater than

STANDBY Power Consumption: less than 0.5W (5VS 30mA LOAD)

The internal power loss at 5VS 30mA load shall be less than 0.5W

Inrush Current

1) 50A MAX. At 110Vac, Cold start.

2) 80A MAX. At 230Vac, Cold start.

Power Factor: INPUT VOLTAGE 220VAC, FULL LOAD CONDITION, PF more than 95%

HI-POT Tests: Primary-Secondary: 3KVac for 1 minute. (Leakage current 10mA).

 

2. Output Electrical Characteristics

DC Output Characteristics

Item

5Vsb

5V

12V

24V

Min.Output Current

0.03A

0.1A

0.3A

0.3A

Rated current

1A

3A

23A

3A

Peak Output current

2A

4A

4A

4.5A

Regulation

±5%

±5%

±5%

±5%

Ripple & Noise

  less than

80mV

 less than

80mV

less than

1200mV

 less than

 240mV

Remark:

1) Measurements shall be made with an oscilloscope with 20MHz bandwidth.

2) Outputs shall be bypassed at the connector with a 0.1uF ceramic capacitor and a 47uF electrolytic capacitor to simulate system loading.

Short Circuit Protection

A short circuit place at any output will not cause damage and the power supply shall shut down or auto restart.

Leakage Current: Less than 0.5mA at 230V input.

 

3.Products pictures

 

 

  

250W LCD power supply pcb

Other products


Copyright Notice @ 2008-2022 ECVERY Limited and/or its subsidiaries and licensors. All rights reserved.