Datasheet > AAT2608AINJ-1-T1

AAT2608AINJ-1-T1

更新时间： 2024-09-28 21:14:15

品牌	Logo	应用领域
ANALOGICTECH		/
页数	文件大小	规格书
17页	313K
描述
Switching Regulator/Controller,

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AAT2608AINJ-1-T1 数据手册

PRODUCT DATASHEET

AAT2608A

BatteryManager

8 Channel LDO with DC/DC Converter

General Description

Features

•

The AAT2608A is a member of AnalogicTech’s Total Power

Management IC^TM(TPMIC^TM) product family. It contains a

fully integrated step-down converter and eight low drop-

out (LDO) regulators, making it ideal for general multiple

rails applications.

1.5MHz Step-Down Converter

800mA, Externally Adjustable

Synchronous with Integrated Switches

Independent Enable

Independent Input Power and Ground

▪

Operating Input Voltage Range of 2.7V to 5.5V

▪

The step-down converter is a 800mA synchronous con-

verter which operates at a switching frequency of 1.5MHz,

minimizing the size of external components while keeping

efficiency greater than 90%. The step-down converter is

capable of 1A of peak current and has an integrated com-

pensation network. The input voltage range is 2.7V to

5.5V, and the output can be externally adjusted from 0.6V

to 80% of the step-down converter's input voltage. It

includes an independent enable to provide a convenient

solution to implement any power up or power down

sequencing.

•

LDO1, LDO2, LDO3 and LDO4 Regulators Share Same

Input as the Step-down Converter

LDO5 and LDO6 are Tied to the Same Input

LDO7 and LDO8 are Tied to the Same Input

LDO1, LDO7 and LDO8 have Adjustable Outputs with

External Resistors

•

LDO2, LDO3, LDO4, LDO5 and LDO6 have Factory

Programmed Outputs

All LDOs have:

Independent Enable

300mA Current Capability

High PSRR (68dB @10KHz)

Low Ground Current (30μA)

Over-Current Protection

Over-Temperature Protection

Operating Input Voltage Range from 2.7V to 5.5V

▪

The AAT2608A has eight high-PSRR LDOs which provides

noise immunity to the generated power rails. The LDOs

have independent enable pins to meet any power-up or

power-downsequencingrequirements. EachLDOrequires

a small output ceramic capacitor for stability. 5 of the

LDOs have a fixed output which is programmed during

manufacturing; 3 LDOs have adjustable outputs pro-

grammable with external resistors. LDOs 1, 2, 3 and 4

share the same input voltage as the step-down con-

verter’s control circuitry. LDO5 shares its input with

LDO6; LDO7 shares its input with LDO8.

▪

•

TQFN44-28 Package

Applications

•

Cellular Application

Handheld Products

Media Players (MP4 Players)

Portable Navigation Devices (PND)

The AAT2608A is available in the small 28-pin 4mm x

4mm TQFN package.

w w w . a n a l o g i c t e c h . c o m

2608A.2010.05.1.2

12 3 4 5 6 7...17

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与AAT2608AINJ-1-T1相关器件

型号	品牌	获取价格	描述	数据表
AAT2608INJ-1-T1	SKYWORKS	获取价格	Analog Circuit, 1 Func, TQFN44-28
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AAT2610	SKYWORKS	获取价格	High Voltage Series LED Driver
AAT2610_12	SKYWORKS	获取价格	Seven-Channel PMU for Digital Still Cameras
AAT2610IIC	ANALOGICTECH	获取价格	7-Channel PMU for Digital Still Cameras
AAT2610IIC-T1	SKYWORKS	获取价格	High Voltage Series LED Driver
AAT2612	SKYWORKS	获取价格	Step-Down DC/DC Converter With Three High PSRR LDOs
AAT2612IDG-1-T1	SKYWORKS	获取价格	Step-Down DC/DC Converter With Three High PSRR LDOs
AAT2612IDG-2-T1	SKYWORKS	获取价格	Step-Down DC/DC Converter With Three High PSRR LDOs
AAT2612IDG-3-T1	SKYWORKS	获取价格	Step-Down DC/DC Converter With Three High PSRR LDOs

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