WS2585 datasheet(1/9 Pages) WINSEMI

Part #	WS2585

Description	WS2585 Low Power Primary Side AC/DC Converter

PDF	9 Pages

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Manufacturer	WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]

Direct Link	http://www.winsemi.com

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1 / 9 page

W/T-D022-Rev.A/1 May.2014

WS2585 Product Description

WINSEM I

M ICROELECTRONICS

WINSEM I

M ICROELECTRONICS

WINSEM I

M ICROELECTRONICS

WINSEM I

M ICROELECTRONICS

WINSEM I

M ICROELECTRONICS

0513

Features

■ Build-in 530V(Vceo) NPN power transistor

■ No-load power Less than100mW

■ Lower start-up current

■ Frequency jittering

■ Build-in Leading Edge Blanking

■ Cycle by cycle over current protection (OCP)

■ Under voltage lockout

■ ±5% CC、CV Accuracy

■ Ultra low standby power (<100mW)

Applications

■ Adapters/Chargers for Cell phones, PDAs, MP3 and other

portable apparatus

■ LED Driver

■ Standby and Auxiliary power supplies

Typical

Typical Application

Application

Application Circuit

Circuit

The WS2585 is a high performance AC/DC power supply

converter for battery charger and adapter applications.

The device uses Pulse Frequency Modulation (PFM)

method to build discontinuous conduction mode (DCM)

flyback power supplies. The WS2585 provides accurate

constant voltage and constant current (CC/CV) regulation

without requiring the opto-coupler and the secondary control

circuitry.

It also eliminates the need of loop compensation circuitry

while maintaining stability.

The WS2585 achieves excellent regulation and high power

efficiency, the no-load power consumption is less than

100mW.

The WS2585 is available in DIP8 package.

WS2585

WS2585 Low

Low

Low Power

Power

Power Primary

Primary

Primary Side

Side

Side AC/DC

AC/DC

AC/DC Converter

Converter

General

General Description

Description

1

2

3

4

8

7

6

5

C P C

F B

G N D

V C C

C

E

C S

L

N

V +

V -

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WS2585 Datasheet(PDF) 1 Page - Shenzhen Winsemi Microelectronics Co., Ltd

WS2585 Datasheet(HTML) 1 Page - Shenzhen Winsemi Microelectronics Co., Ltd

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