(PDF) MG20U202 Datasheet - Switching Regulator LED Driver

Número de pieza	MG20U202
Descripción	Switching Regulator LED Driver
Fabricantes	Megawin
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No Preview Available ! (Preliminary) MG20U202 Switching Regulator LED Driver MG20U202 Data Sheet Version: V0.30 This document contains information on a new product under development by Megawin. Megawin reserves the right to change or discontinue this product without notice. © Megawin Technology Co., Ltd. 2013 All rights reserved. 2013/06 version 0.30 1 page 4 Pin Description 4.1 Pin Definition SOP8 1 2 3 4 5 6 Pin Name VIN CS GND GATE PWM VDD 7 LD 8 RT Description 7.0V ~ 200V high voltage input. Current sense input pin. Ground pin. Driver for external power MOS. PWM dimming input. Regulated core supply. Linear dimming input. If current sense threshold is required less than 0.25V, an external voltage can be applied to this pin. Ring oscillator bias input. When RT is connected to ground via a resistor, the MG20U202 operates in constant frequency mode. When the resistor is connected between RT & GATE, the MG20U202 operates in constant off-time mode. 4.2 Pin Configuration 5 Block Diagram VIN Regulator LD - + CS 0.25V + - GND MEGAWIN ULVO POR Blanking Oscillator RQ S RST MG20U202 Data Sheet VDD GATE PWM RT 5 5 Page

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PDF MG20U202 Data sheet ( Hoja de datos )