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參數(shù)資料
| 型號： | AAT3258 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 300mA LDO Linear Regulator with UP Reset |
| 中文描述： | 300mA的LDO線性穩(wěn)壓器的復(fù)位 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大小： | 251K |
| 代理商： | AAT3258 |
AAT3258
300mA LDO Linear Regulator with μP Reset
3258.2005.04.1.5
1
PowerLinear
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 71μA.
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°C to +85°C temperature range.
Features
Integrated LDO Regulator with μP 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 71μA
LDO Over-Current/Short-Circuit Protection
LDO Over-Temperature Protection
LDO Power Saving Shutdown Mode
Independent Device Power Inputs
High Accuracy Reset Monitor Threshold: ±1.5%
Active Low Push-Pull Monitor Reset Output
<2.0μA of Shutdown Current
Uses Low Equivalent Series Resistance
(ESR) Ceramic Capacitors
-40°C to +85°C Temperature Range
8-Pin TSOPJW Package
Applications
Cellular Phones
Digital Cameras
Handheld Instrumentation
Microprocessor/DSP Core/IO Power
Notebook Computers
PDAs and Handheld Computers
Portable Communication Devices
Typical Application
AAT3258
1
μ
F
2.2
μ
F
100k
10nF
LDO Shutdown
μ
P Reset
Manual Reset
VIN
RESET OUT
LDO VOUT
VOUT
RESET
GND
SHDN
BYP
MR
VDET
VIN
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AAT3258ITS-2.8-R-T1 | 300mA LDO Linear Regulator with UP Reset |
| AAT3258ITS-2.8-Y-T1 | 300mA LDO Linear Regulator with UP Reset |
| AAT3258ITS-3.0-R-T1 | 300mA LDO Linear Regulator with UP Reset |
| AAT3258ITS-3.3-R-T1 | 300mA LDO Linear Regulator with UP Reset |
| AAT3510IGV-5.00-A-A-T1 | Micropower uP Reset with Watchdog Timer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT3258_06 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:300mA LDO Linear Regulator with レP Reset |
| AAT3258ITS-2.8-R-T1 | 制造商:AAT 制造商全稱:AAT 功能描述:300mA LDO Linear Regulator with uP Reset |
| AAT3258ITS-2.8-Y-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:300mA LDO Linear Regulator with UP Reset |
| AAT3258ITS-3.0-R-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:300mA LDO Linear Regulator with レP Reset |
| AAT3258ITS-3.3-R | 制造商:SKYWORKS SOLUTIONS INC 功能描述:3.3V 300MA LDO,2.63VRST, TSOPJW- TR |
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