MP4651 datasheet(7/12 Pages) MPS

Part #	MP4651

Description	Off Line LED Driver

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Manufacturer	MPS [Monolithic Power Systems]

Direct Link	http://www.monolithicpower.com

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MP4651—OFF LINE LED DRIVER

MP4651 Rev.1.0

www.MonolithicPower.com

7

1/13/2011

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

BLOCK DIAGRAM

OVP

FB

FSET

COMP

1

4

5

8

0.6V

2.38V

SSD

3

2.36V

Pulse Width

Modulation

PWMIN 10

PWMOUT 7

driver

EN 11

FT

6

2.38V

GR 16

Gate

Driver

GL 14

VIN 12

Regulator

VCC 13

GM

1.2V

DC

L/R

BFS 9

SYNC 2

Burst

Dimming

signal

generator

Fault

Management

Figure 1—MP4651 Block Diagram

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MP4651 Datasheet(PDF) 7 Page - Monolithic Power Systems

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