Reference Designs
Universal AC Input: Low Cost 7W Non-isolated LED Driver Solution with High PF Reference Design
Texas Instruments
The PMP4448 is universal AC in: low cost non-isolated LED driver solution. It implements a valley switching mode controller TPS92314. The driver has high power factor: and provides a constant current 230mA: maximum at up to 29VDC to drive a string of LEDs. The PMP4448 is fully tested and passes EMC (CE) requirements.
Features
- Non isolated solution Low total BOM cost eliminating transformer Good line and load regulation Output Over Voltage/Open LED protection Efficiency >85% High PF >0.9 over VIN range
Product Categories
- Power management
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