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WS9931 Datasheet PDF

Winsemi WS9931

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.
Part No. WS9931
Datasheet WS9931 Download
Manufacturer
Winsemi
Description LED Ripple Current Elimination Controller
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WS9931 datasheet page 1 preview

DESCRIPTION

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℃

APPLICATIONS

● LED Tube Lights
● LED Bulb Lights LED Ripple Current Elimination Controller

DESCRIPTION

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. Typical Application Circuit WINSEMI MICROELECTRONICS WINSEMI MICR
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