HT7L4661 - Active PFC Non-isolation Buck LED Lighting Driver

Product Overview

Holtek Semiconductor

Part number	HT7L4661
Manufacturer	Holtek Semiconductor
File Size	403.69 KB
Description	Active PFC Non-isolation Buck LED Lighting Driver
Datasheet	HT7L4661 Datasheet
Additional preview pages of the HT7L4661 datasheet.

The HT7L4661 is a Buck converter controller using quasi-resonant conversion technology.

in the device include a rapid high voltage startup function and a 5V LDO output with a 1mA drive capability for external loads. There is also a linear dimming function to adjust the LED illumination level. The device also includes multiple protection features to protect it from fault conditions. These include under-voltage lockout, over-current protection, Vcc pin over-voltage protection and a ZCD pin overvoltage protection for the output voltage. Additionally, to ensure device reliability, ther.

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Published: May 11, 2018 |