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Supports 0-10V Analog, PWM, Resistor Dimming
The iW337 is a secondary-side PWM signal generator that works with three types of dimming inputs: PWM dimming, 0-10V linear dimming, or simple dimming using a single resistor to ground from the DIM pin. The iW337 converts any of these three signals into a 1%–100% PWM duty cycle that provides a dimming signal to a primary-side LED driver such as theiW3631, eliminating the need for transformers or other driver circuitry.
Features
Operating Range:15V to 60V
3-in-1 Dimmer Interface
- 0-10V Analog
- PWM (10V)
- Resistor
Highly Integrated for Low BOM Cost
- Integrated Current Source for Driving 0-10V Dimmers
- Integrated Optocoupler Driver for Isolated Applications
1%到100%的PWM输出
- 1% PWM Duty Cycle Tolerance
- Selectable Frequency Range via External Capacitor
Shutdown Pin to Minimize Standby Power
雷竞技安卓下载
0-10V Analog or PWM LED Dimming
Resistor LED Dimming
Block Diagrams
Typical Applications Diagram
Functional Block Diagram
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