PN8571 - Internal BJT Low Standby-Power QR Primary-side Converter

Product Overview

Chipown

Datasheet Details

Part number	PN8571
Manufacturer	Chipown
File Size	446.74 KB
Description	Internal BJT Low Standby-Power QR Primary-side Converter
Datasheet	PN8571 Datasheet
Additional preview pages of the PN8571 datasheet.

Product details

Description

The PN8571 consists of a Low Standby-Power QuasiResonant(QR) Primary-Side controller and BJT, specifically designed for a high performance AC/DC charger or adapter with minimal external components.

PN8571 operates in primary-side sensing and regulation, so opto-coupler and TL431 could be eliminated.

Features

Vo 100% ±5% 60% ±5% Features.
Internal BJT switch.
Multi-mode and Quasi-Resonant technique.
±5% CC Regulation at Universal AC input.
Primary-side Sensing and Regulation without TL431 and Opto-coupler.
Programmable Cable Drop Compensation.
No-need Control Loop Compensation Capacitor.
Excellent Protection include:.
Over Temperature Protection (OTP).
VDD Under/Over Voltage Protection(UVLO&OVP).
Cycle-by-Cycle Current Limiting (OCP).
CS Sho.

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Published: Oct 10, 2024 |