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DN05022D - Low-Cost LED Dimming

This page provides the datasheet information for the DN05022D, a member of the DN05022 Low-Cost LED Dimming family.

Description

This circuit can be thought of as having two separate portions.

There is an LED management portion and a dimmer management/PWM Signal portion.

The LED management portion charges the output capacitor to run the LEDs in a “DC” state.

Features

  • PF = 0.8.
  • THD = 53.8%.
  • High Light Output Table 2.

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Datasheet preview – DN05022D

Datasheet Details

Part number DN05022D
Manufacturer ON Semiconductor
File Size 51.41 KB
Description Low-Cost LED Dimming
Datasheet download datasheet DN05022D Datasheet
Additional preview pages of the DN05022D datasheet.

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Full PDF Text Transcription

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DN05022/D Low-Cost LED Dimming with Output Capacitor http://onsemi.com DESIGN NOTE Table 1. DEVICE DETAILS Device NSIC2050B, NSI50010Y Application AC LED, Dimmable Input Voltage 100−127 Vac Topology Bridge + CCR and PWM Sensing I/O Isolation No Circuit Description This circuit can be thought of as having two separate portions. There is an LED management portion and a dimmer management/PWM Signal portion. The LED management portion charges the output capacitor to run the LEDs in a “DC” state. The dimmer management portion provides loading current for the TRIAC in a dimmer and provides a gate voltage to the series-pass MOSFET. The gate drive of the series MOSFET PWMs the LEDs at their peak current rating. The NSIC2050B Constant Current Regulators regulate the current through the LEDs.
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