This document is an engineering report describing a 12 V and 24 V, 125 W LLC DC-DC converter utilizing a LCS701HG integrated LLC power stage IC. This power supply is intended as for use in an LCD TV with LED back lighting. The board requires 12 VDC and 380 VDC inputs.
The document contains the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout, and performance data.
Manufacturer | Power Integrations |
---|---|
Category | AC/DC and DC/DC Conversion |
Sub-Category | AC/DC SMPS - Multi Output |
Eval Board |
Board not Stocked
|
AC Voltage |
230 V
|
Outputs and Type |
2 Isolated
|
Voltage Out: Highest Current First |
24V, 12V
|
Current Out |
4A, 2.4A
|
Output Power |
125 W
|
Efficiency @ Conditions |
>94%, 380 VDC, 100% load
|
No-load Input Power @ Voltage |
- Not Given
|
Features |
Current Limit (Adj. or Fixed)
Over Current Protection Over Voltage Protection Short Circuit Protection Soft Start Thermal Protection Under Voltage Protection, Brown-Out |
Switching Frequency |
190 kHz
|
Internal Switch |
Yes
|
Component Count + Extras |
52 + 25
|
Voltage In |
300 ~ 420 VDC + 12 VDC
|
Application / Target Market |
LCD Backlighting
LCD TV / Monitor |
Design Author |
Power Integrations
|
Main I.C. Base Part |
LCS701
|
Date Created By Author | 2011-09 |
Date Added To Library | 2018-06 |