张三叔

6 W non-dimmable, non-isolated step-down LED driver designed using LYTSwitch-0 LYT0006P

Overview

This document introduces a highly compact and cost-effective step-down power supply designed using the LYTSwitchTM-0 series device (LYT0006P). The power supply can operate from an input voltage range of 90 to 264 VAC. The DC bus voltage is high enough to support a 54 V output when using a buck topology. In a buck converter, the output voltage must always be lower than the input voltage. In addition, the output voltage is also limited by the maximum duty cycle of LYTSwitch-0, which also requires that the input voltage must be higher than the output voltage.

Blockdiagram

Design Files

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Update:2025-06-03 21:01:51

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