ame5150 AME, Inc., ame5150 Datasheet

ame5150

Manufacturer Part Number

ame5150

Description

Micropower Inverting Dc/dc Converter

Manufacturer

AME, Inc.

Datasheet

1.AME5150.pdf (14 pages)

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AME5150

n General Description

ing from 1.5V to 5.5V input voltage range. It is capable of

producing up to -28V of regulated negative output volt-

age. Built-in current-limit and fixed off-time control scheme

of AME5150 provides high efficiency over a wide range of

load conditions.

age, and tiny external components makes AME5150 a

extremely compact and high efficiency voltage biasing

solution for battery-powered application. The AME5150

is available in a small SOT-25/TSOT-25 packages.

n Applications

Rev.A.02

n Features

The AME5150 is an inverting DC/DC converter operat-

Low supply current, 400ns fixed off-time, small pack-

l Electronic Information Organizers

l Palmtops

l Cellular and Portable Phones

l Portable Audio Systems

l Various Multi-function Power Supplies

l 1

l Use Small Surface Mount Components

l Adjust Output Voltage up to -28V

l 1.5V to 5.5V Input Voltage Range

l Input under Voltage Lockout

l 0.1 A Shutdown Current

l Internal Soft Start

l All AME's Lead Free Products Meet RoHS

Standards

AME, Inc.

Internal Switch

4.7 F

n Typical Application

1.5V~5.5V

AME5150

1-cell Li-lon to -15V inverting converter

AME5150

10 H

GND

NFB

15V Dual output converter

Micropower Inverting

0.47 F

1 F

Figure. 1

OUT

Figure. 2

DC/DC Converter

NFB

10 H

15pF

NFB

267K

24.9K

+15V

5mA

-15V

5mA

1 F

4.7 F

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