LY9523 Current mode PWM controller

Description

, Ko ng ,.L Shen Zhen Strong Link Electronics c( Ho LY9523/LY9525/LY9526/LY9527/LY9528 ng (H o GENERAL .
nic tro controller MOSFET.

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Datasheet Specifications

Part number: LY9523
Manufacturer: Strong Link Electronics
File Size: 300.46 KB
Datasheet: LY9523-StrongLinkElectronics.pdf
Description: Current mode PWM controller

Features

* z z z z z eE lec Integrate d high volta ge po wer MOSFET Low Vcc Startup Cu r rent( 5 μ A) tro o,. Ltd . Ma ik Frequ ency shuffling for EMI z z z z UVLO an d Auto Self- Recover y Soft Start with 4mS Burst Mode ,. L td. LY-DOC952X REV:2.1 www. maike-tech. com Feb. .2011 on td. aik eE lec

Applications

* nic BLOCK DIAGRAM Vcc on gK ,. L t tro ec on 5V Internal Bias UVLO Vcc Clamp Co (H g) Q1 El Drain Q3 gK on R1 tro ___ Q2 ec R (H El D2 ike nic + on LEB Soft Start Green Mode Burst Mode - Vth Slope Compensation PWM Compensation OCP Ma R2 tro gK g) Sense Gnd Co

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LY9523 Current mode PWM controller Strong Link Electronics

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