Datasheet > AS1331-BTDT-30

AS1331-BTDT-30

更新时间： 2024-11-12 06:37:39

品牌	Logo	应用领域
艾迈斯 - AMSCO		转换器
页数	文件大小	规格书
16页	2332K
描述
300mA Buck-Boost Synchronous DC/DC Converters

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AS1331-BTDT-30 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.83	Base Number Matches：	1

AS1331-BTDT-30 数据手册

Datasheet

AS1331

300mA Buck-Boost Synchronous DC/DC Converters

1 General Description

2 Key Features

ꢀ

Input Voltage Range: 1.8V to 5.5V

This special device is a synchronous buck-boost DC/DC

converter which can handle input voltages above, below,

or equal to the output voltage.

ꢀ

Output Voltages:

- Fixed: 2.5V, 3.0V, 3.3V

- Adjustable: 2.5V to 3.3V

Due to the internal structure of the AS1331 which is

working continuously through all operation modes this

device is ideal for dual or triple cell alkaline/NiCad/NiMH

as well as single cell Li-Ion battery applications.

ꢀ

Output Current: 300mA @ 3.3V

Up to 90% efficiency

Power Good

Because of the implemented Power Save Mode, the

solution footprint and the component count is minimized

and also over a wide range of load currents a high

conversion efficiency is provided.

Output Disconnection in Shutdown

Automatic transition between Buck and Boost mode

Ultra Low Quiescent Current: 22µA, Shutdown Cur-

rent <1µA (Active Low)

The device includes two N-channel MOSFET switches

and two P-channel switches. Also following features are

implemented: a quiescent current of typically 22µA

(ideal for battery power applications), a shutdown

current less than 1µA, current limiting, thermal shutdown

and output disconnect.

ꢀ

Short-Circuit Protection

Low Battery detection

Over Temperature Protection

10-pin 3x3mm TDFN package

The AS1331 is available in a 10-pin 3x3mm TDFN

package with fixed and adjustable output voltage.

3 Applications

The AS1331 is an ideal solution for handheld

computers, handheld instruments, portable music

players and PDA’s. Two and three cell Alkaline, NiCd or

NiMH or single cell Li battery powered products.

Figure 1. AS1331 - Typical Application Diagram

6.8µH

SW1

SW2

Low Battery Detect

1.8 to 5.5V

VIN

LBO

C¹

10µF

V^OUT

2.5V to 3.3V

AS1331-AD

VOUT

LBI

22µF

Off

PGND

GND

www.austriamicrosystems.com

Revision 1.03

1 - 16

12 3 4 5 6 7...16

中文翻译

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与AS1331-BTDT-30相关器件

型号	品牌	获取价格	描述	数据表
AS1331-BTDT-33	AMSCO	获取价格	300mA Buck-Boost Synchronous DC/DC Converters
AS1331-BTDT-AD	AMSCO	获取价格	300mA Buck-Boost Synchronous DC/DC Converters
AS1332	AMSCO	获取价格	650mA, Step-Down DC-DC Converter for RF Power Amplifiers
AS1332_07	AMSCO	获取价格	650mA, Step-Down DC-DC Converter for RF Power Amplifiers
AS1332-BWLT	AMSCO	获取价格	650mA, Step-Down DC-DC Converter for RF Power Amplifiers
AS1333	AMSCO	获取价格	650mA, Step Down DC/DC Converter for Portable Applications
AS1333-BWLT	AMSCO	获取价格	650mA, Step Down DC/DC Converter for Portable Applications
AS1334	AMSCO	获取价格	650mA, Ultra low Ripple Step Down DC/DC Converter
AS1334_07	AMSCO	获取价格	650mA, Ultra low Ripple Step Down DC/DC Converter
AS1334-BTDT-12	AMSCO	获取价格	650mA, Ultra low Ripple Step Down DC/DC Converter

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