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AAT3258

AAT
Part Number AAT3258
Manufacturer AAT
Description LDO Linear Regulator
Published Apr 30, 2007
Detailed Description AAT3258 300mA LDO Linear Regulator with µP Reset General Description The AAT3258 combines a high performance, low noise,...
Datasheet PDF File AAT3258 PDF File

AAT3258
AAT3258

Overview
AAT3258 300mA LDO Linear Regulator with µP 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 current consumption and has an active low reset output.
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 quiescent current, typically less than 71µA.
The LDO regulator has low dropout voltage, typically 400mV at the full output current level, making it ideal for portable applications where extended battery life is critical.
The AAT3258 LDO regulator section 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.
www.
DataSheet4U.
com Features • • • • • • • • • • • • • • • • PowerLinear™ 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 The AAT3258 is available in a Pb-free, space-saving 8-pin TSOPJW package.
This device is capable of operation over a -40°C to +85°C temperature range.
Applications • • • • • • • Cellular Phones Digital Came...


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