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AAT3201

Advanced Analogic Technologies
Part Number AAT3201
Manufacturer Advanced Analogic Technologies
Description 150mA OmniPower LDO Linear Regulator
Published May 21, 2005
Detailed Description 150mA OmniPower™ LDO Linear Regulator General Description The AAT3201 PowerLinear™ OmniPower Low Dropout Linear Regulato...
Datasheet PDF File AAT3201 PDF File

AAT3201
AAT3201

Overview
150mA OmniPower™ LDO Linear Regulator General Description The AAT3201 PowerLinear™ OmniPower Low Dropout Linear Regulator is ideal for systems where a low cost solution is critical.
This device features extremely low quiescent current which is typically 20µA.
Dropout voltage is also very low, typically 200mV.
The AAT3201 has an Enable pin feature, which when pulled low will enter the LDO regulator into a shutdown mode removing power from its load and offering extended power conservation capabilities for portable battery powered applications.
The AAT3201 has output short circuit and over current protection.
In addition, the device also has an over temperature protection circuit, which will shutdown the LDO regulator during extended over-current events.
The AAT3201 is available in the space saving 5-pin SOT23 package.
The device is rated over a -40°C to 85°C temperature range.
Since only a small, 1µF ceramic output capacitor is recommended, the AAT3201 is a truly cost effective voltage conversion solution.
The AAT3201 is similar to the AAT3200 with the exception that it offers further power savings with its enable pin.
AAT3201 Features • • • • • • • • • • • PowerLinear™ 20 µA Quiescent Current Low Dropout: 200 mV (typical) Guaranteed 150 mA Output High accuracy: ±2% Current limit protection Over-Temperature protection Extremely Low power shutdown mode Low Temperature Coefficient Factory programmed output voltages • 1.
8V to 3.
5V Stable operation with virtually any output capacitor type 5-pin SOT23 package Preliminary Information Applications • • Consumer Electronics Cellular Phones Typical Application INPUT IN OUT OUTPUT AAT3201 ENABLE CIN 1µF GND EN GND COUT 1µF GND 3201.
2002.
3.
0.
91 1 150mA OmniPower™ LDO Linear Regulator Pin Descriptions Pin # 1 2 3 4 5 AAT3201 Symbol IN GND EN NC OUT Function Input pin Ground connection pin Enable pin - When pulled low the PMOS pass transistor turns off and all internal circuitry enters low-power mode, consuming less t...


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