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WS9931

Applications
LED Tube Lights
LED Bulb Lights

Features
Eliminate ripple current for single stage LED driver
Without external COMP capacitor
Built-in soft-start
Max Output current is up to 300mA
Internal intelligent over temperature protection
Operating temperature range from -40℃to135℃
LED Ripple Current Elimination Controller
 

Structure Type

Part NO.

MOS

Package

App. Watt

OVP

PDF

176-264Vac

90-264Vac

Linear Constant Current

-

WS9931

3A/60V

ESOP8

300mA

-

WS9931.pdf 

 
Description
The WS9931 is an adaptive linear current regulator to eliminate LED low frequency ripple current. It adopts an adaptive control solution without additional circuit design.It can realize the function of LED light non-filtering with very few external components, so the system cost and size are minimized. The WS9931 is mainly applied in bulb lights and tube lights, especially suitable for COB (chip on board) mode.The operating temperature range of the WS9931 is from -40℃to135℃.
The WS9931 is available in ESOP8 Package.
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