Reference Designs
120V AC input and 24.5V output LED Driver
Texas Instruments
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It is an offline AC-DC LED driver. It has TRIAC dimming capability. It is basically a low sidebuck which has valley filled PFC. It takes an input voltage of 120V AC. This circuit usesLM3445 which is an adaptive constant off-time AC/DC buck (step-down) constant current controller designed to be compatible with Traic dimmers.
Product Categories
- Power management