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产品型号: HC3281
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The HC3281 is a 20V/1.2A high-efficiency buck constant-current LED driver, designed for driving single or multiple series connected LED efficiently. The device operates from an input supply between 4V and 20V and provides an externally adjustable output current of up to 1.2A. Depending upon the supply voltage and external components, the HC3281 can provide 10 watts of LED.
The HC3281 includes the power switch which operating frequency up to 600KHz. The HC3281 is available in SOT-23-6L Package.
Applications
• Low voltage halogen replacement LEDs
• Automotive lighting
• Low voltage industrial lighting
• Constant Current Source
• SELV lighting
• RGB High Brightness LED lighting
• LCD TV backlighting
• LED back-up lighting