MP4601 – WHITE LED DRIVER FOR LARGE SIZE TV BACKLIGHTING

MP4601 Rev. 1.0

www.MonolithicPower.com

7

1/28/2011

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Pin #

SOIC16

Pin #

TSSOP

16-EP

Name

Description

13

13

DGD

LED Dimming Switch Gate Drive Output Pin.

14

14

VSS

Negative Voltage Output Pin. This pin is the voltage reference for OVP, FB,

COMP, SC, DGD and FST pins. This node should be placed away from

switching noise sources.

15

15

SW

Switch Output. SW is the source of the internal MOSFET switch. Connect to the

power inductor and cathode of the Schottky rectifier.

16

16

BST

Bootstrap. A capacitor is connected between SW and BST pins to form a floating

supply across the power switch driver.