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PT5108X - High-PSRR 500mA LDO

General Description

The PT5108 is a low-dropout voltage regulator designed for portable applications that require both low noise performance and board space.

Its PSRR at 1kHz is better than 70dB.

The PT5108’s performance is ideal for battery powered systems for delivering low dropout voltage and low quiescent current.

Key Features

  • 2.5V to 5.5V input range 72dB PSRR @1kHz, Vin = Vout + 1V < 1uA quiescent current at shutdown mode Fast turn on time: 150us (typical) 290mV maximum dropout voltage with 400mA load Thermal shutdown and short-circuit current limit 1.5, 1.8, 2.0, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 4.7V, 4.8V, 4.9V and 5.0V output standard Miniature SOT-23-5 package (Pd free).

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Datasheet Details

Part number PT5108X
Manufacturer Powtech
File Size 286.22 KB
Description High-PSRR 500mA LDO
Datasheet download datasheet PT5108X Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PT5108X High-PSRR 500mA LDO GENERAL DESCRIPTION The PT5108 is a low-dropout voltage regulator designed for portable applications that require both low noise performance and board space. Its PSRR at 1kHz is better than 70dB. The PT5108’s performance is ideal for battery powered systems for delivering low dropout voltage and low quiescent current. An optional external bypass capacitor reduces the output noise and increases PSRR. The device can be used for mobile phone and similar battery powered wireless applications. It provides up to 500mA, from a 2.5V to 5.5V input. The PT5108 consumes less than 0.1µA in shutdown mode and has fast turn-on time less than 150µs. The PT5108 is available in 5 pin SOT-23 package (Pd free).