AMS1069 datasheet(1/5 Pages) AMS

Part #	AMS1069

Description	2A Output Current

PDF	5 Pages

Scroll/Zoom	100%

Manufacturer	AMS [Advanced Monolithic Systems Ltd]

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

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1 / 5 page

TYPICAL APPLICATION

INPUT

3.3V

2A

C3

3.3nF

C5

10nF

AMS1069

BS

IN

FB

SW

SS

GND

COMP

EN

1

2

3

5

6

4

8

7

DESCRIPTION

The

AMS1069 is a monolithic synchronous buck

regulator.

The

device

integrates

two

MOSFETs, and provides 2A of continuous load

current over a wide input voltage of 4.75V to

18V. Current mode control provides fast

transient response and cycle-by-cycle current

limit.

An adjustable soft-start prevents inrush current

at turn-on, and in shutdown mode the supply

current drops to 1µA.

This device, available in an

SOP8/ESOP8

package, provides a very compact solution with

minimal external components.

FEATURES

2A Output Current

Wide 4.75V to 18V Operating Input Range

Integrated Power MOSFET Switches

Output Adjustable from 0.9

05V to 15V

Up to 93% Efficiency

Programmable Soft-Start

Stable with Low ESR Ceramic Output Capacitors

Fixed 3

80KHz Frequency

Cycle-by-Cycle Over Current Protection

Input Under Voltage Lockout

APPLICATIONS

Distributed Power Systems

Networking Systems

FPGA, DSP, ASIC Power Supplies

Green Electronics/ Appliances

Notebook Computers

2

R

2

R

1

R

9

05

.

0

VOUT

+

×

=

R2 can be as high as 100kΩ, but a typical value

is 10kΩ.

1

Advanced Monolithic Systems http://www.ams-semitech.com

AMS1069

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AMS1069 Datasheet(PDF) 1 Page - Advanced Monolithic Systems Ltd

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