MP4652—HIGH PERFORMANCE OFF-LINE TV LED DRIVER

MP4652 Rev.1.01

www.MonolithicPower.com

8

9/23/2011

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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—MP4652 Block Diagram