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NCL30095A - Power Factor Corrected LED Boost Switching Regulator

General Description

Pin No.

back 8 OVP Over Voltage Protection Input 9 CS2 2nd Current Sense Input 10 VCC 11 GND 12 CS1 13 SOURCE 14 GATE VCC Input

Key Features

  • is 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. General 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 Co.

📥 Download Datasheet

Datasheet Details

Part number NCL30095A
Manufacturer onsemi
File Size 392.86 KB
Description Power Factor Corrected LED Boost Switching Regulator
Datasheet download datasheet NCL30095A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
NCL30095A Power Factor Corrected LED Boost Switching Regulator The NCL30095A 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. When a dimmer is detected on the AC input, an internal voltage reference of the current regulation loop adjusts the current level based on the dimmer conduction angle so the current through the LED string has a desired value based on a programmed dimming curve.