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AAT3258

300mA LDO Linear Regulator with 碌P Reset

General Description

The AAT3258 combines a high performance, low

noise, 300mA low dropout (LDO) linear regulator

with a microprocessor reset monitor. The 300mA

output capability of the LDO regulator makes this

device ideal for use with microprocessors and DSP

cores in portable products. The microprocessor

reset monitor section has very low quiescent cur-

rent consumption and has an active low reset out-

put. The AAT3258 has separate input pins for the

reset monitor and LDO regulator so they may be

operated from independent sources for increased

design flexibility. This device features very low qui-

escent current, typically less than 71碌A(chǔ).

The LDO regulator has low dropout voltage, typical-

ly 400mV at the full output current level, making it

ideal for portable applications where extended bat-

tery life is critical. The AAT3258 LDO regulator sec-

tion has complete over-current/short-circuit and

over-temperature protection circuits to guard against

extreme operating conditions. The device also has

an active output pull down function when disabled.

The AAT3258 is available in a space-saving 8-pin

TSOPJW package. This device is capable of oper-

ation over a -40擄C to +85擄C temperature range.

Features

鈥?/div>

PowerLinear

鈩?/div>

Integrated LDO Regulator with 碌P Reset

300mA Output LDO Regulator

Low Dropout Regulator, 400mV at 300mA

High LDO Output Voltage Accuracy, Typically

1.5%

Very Low Noise and High Power Supply

Rejection Ratio (PSRR) LDO

Low Quiescent Current at 71碌A(chǔ)

LDO Over-Current/Short-Circuit Protection

LDO Over-Temperature Protection

LDO Power Saving Shutdown Mode

Independent Device Power Inputs

High Accuracy Reset Monitor Threshold: 鹵1.5%

Active Low Push-Pull Monitor Reset Output

<2.0碌A(chǔ) of Shutdown Current

Uses Low Equivalent Series Resistance

(ESR) Ceramic Capacitors

-40擄C to +85擄C Temperature Range

8-Pin TSOPJW Package

Applications

鈥?/div>

Cellular Phones

Digital Cameras

Handheld Instrumentation

Microprocessor/DSP Core/IO Power

Notebook Computers

PDAs and Handheld Computers

Portable Communication Devices

Typical Application

100k

VIN

VDET

RESET

RESET OUT

VIN

碌P

Reset

Manual Reset

VOUT

LDO VOUT

AAT3258

MR

GND

1碌F

LDO Shutdown

SHDN

BYP

10nF

2.2碌F

3258.2005.04.1.5

1

現(xiàn)有數(shù)量
0現(xiàn)貨
價(jià)格
停產(chǎn)
系列
-
包裝
卷帶（TR）剪切帶（CT）Digi-Reel? 得捷定制卷帶
產(chǎn)品狀態(tài)
停產(chǎn)
輸出配置
正
輸出類型
固定
穩(wěn)壓器數(shù)
1
電壓 - 輸入（最大值）
5.5V
電壓 - 輸出（最小值/固定）
3.3V
電壓 - 輸出（最大值）
-
電壓降（最大值）
0.6V @ 300mA
電流 - 輸出
300mA
電流 - 靜態(tài) (Iq)
125 μA
電流 - 供電（最大值）
-
PSRR
67dB ~ 45dB（1kHz ~ 100kHz）
控制特性
使能，手動(dòng)復(fù)位，復(fù)位
保護(hù)功能
過流，超溫，短路
工作溫度
-40°C ~ 85°C
安裝類型
表面貼裝型
封裝/外殼
8-TSSOJ（0.094"，2.40mm 寬）
供應(yīng)商器件封裝
8-TSOPJW

AAT3258ITS-3.3-R-T1相關(guān)型號(hào)PDF文件下載

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AAT3258ITS-3.3-R-T1 Datasheet

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AAT3258ITS-3.3-R-T1 產(chǎn)品屬性

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AAT3258ITS-3.3-R-T1 Datasheet

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