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MT7834A - Non-isolated APFC BUCK LED Driver

Datasheet Summary

Description

The MT7834A is a high-PF, non-isolate LED Driver IC.

The floating-ground, high-side BUCK topology makes full wave detection possible.

The MT7834A works in Quasi-Resonant mode (QRM) , which improves both of efficiency and EMI performance.

Features

  • Single-stage active power factor correction (PFC > 0.90).
  • High accurate LED current (±3%).
  • Good Line and Load Regulation (±2%).
  • Quasi-Resonant mode (QRM) operation.
  • Various protecti.

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Datasheet preview – MT7834A

Datasheet Details

Part number MT7834A
Manufacturer Maxic Technology
File Size 422.50 KB
Description Non-isolated APFC BUCK LED Driver
Datasheet download datasheet MT7834A Datasheet
Additional preview pages of the MT7834A datasheet.

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Full PDF Text Transcription

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Maximizing IC Performance DESCRIPTION The MT7834A is a high-PF, non-isolate LED Driver IC. The floating-ground, high-side BUCK topology makes full wave detection possible. The MT7834A works in Quasi-Resonant mode (QRM) , which improves both of efficiency and EMI performance. Selectable maximum period control is integrated, such that flick can be eliminated while enough demagnetization time is guaranteed. Various protections such as OVP, OCP, OTP, etc, are embedded to improve reliability. The MT7834A integrate 550V MOSFET internally, which simplifies external circuit. The driving capability of the MT7834A is designed to be insensitive to VDD voltage and soft, with MAXIC proprietary technique. It can help to improve EMI performance greatly.
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