WS9931 Product Description
Eliminate ripple current for single stage LED driver
Without external COMP capacitor
Max Output current is up to 300mA
Internal intelligent over temperature protection
Operating temperature range from -40℃to135℃
LED Tube Lights
LED Bulb Lights
LED Ripple Current Elimination Controller
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
The operating temperature range of the WS9931 is
The WS9931 is available in ESOP8 Package.
Typical Application Circuit
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