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NCL30167 Datasheet LED Boost Switching Regulator

Manufacturer: onsemi

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Datasheet Details

Part number NCL30167
Manufacturer onsemi
File Size 647.82 KB
Description LED Boost Switching Regulator
Datasheet download datasheet NCL30167 Datasheet

Overview

NCL30167 Power Factor Corrected LED Boost Switching Regulator The NCL30167 high power factor boost PWM switching regulator is designed to regulate the average current through a string of LEDs.

The circuit operates in Critical Conduction Mode (CrM) based on a proven constant on-time control scheme to achieve near unity power factor.

In addition to regulating a constant current, the switching regulator is optimized to support leading and trailing edge phase dimming applications.

Key Features

  • are included to ensure proper handling of expected fault conditions without the need for extra circuitry and a dedicated thermal fold-back input proves gradually reduction of the current above a user defined set-point. Features.
  • Near-Unity Power Factor.
  • Critical Conduction Mode (CrM).
  • Constant On-time Control.
  • Accurate Current Regulation (±2% Typical).
  • Compatible with Leading and Trailing Edge Phase Controlled Dimmers.
  • Fast Startup Time (< 10.

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