UMK325BJ106KM-T datasheet(10/18 Pages) AMS

Part #	UMK325BJ106KM-T

Description	3A 20V Step-Down Converter plus 1A LDO

Download	18 Pages

Scroll/Zoom	100%

Manufacturer	AMS [Advanced Monolithic Systems Ltd]

Direct Link	http://www.ams-semitech.com

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10 / 18 page

AMS4123

3A 20V Step-Down Converter + 1A LDO

3/5/2010

www.advanced-monolithic.com

Phone (925) 443-0722

10

Fax (925) 443-0723

Functional Block Diagram

LDO Out

Vin

Pgnd

SW

Vref

FB LDO

FB SW

Paddle

En

Level

Shift

LDO In

Vref

BST

Shutdown

Comparators

4

8

6

2

1

7

5

P

UVLO

2.0V

2.5V

4.2V / 3.8V

Internal

Vcc

Regulator

300kHz

Oscillator

Vcc

3.3V

PVin

Σ

3

Isense

Q

SET

CLR

S

R

EAout

0.6V

Vref

0.6V

Switching

Regulator

Shutdown

BST

Reg.

SW out

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UMK325BJ106KM-T Datasheet(PDF) 10 Page - Advanced Monolithic Systems Ltd

UMK325BJ106KM-T Datasheet(HTML) 10 Page - Advanced Monolithic Systems Ltd

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