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AP7331 - FAST TRANSIENT LOW DROPOUT LINEAR REGULATOR

General Description

The AP7331 is a 300mA, adjustable and fixed output voltage, low dropout linear regulator.

The device included pass element, error amplifier, band-gap, current limit and thermal shutdown circuitry.

The device is turned on when EN pin is set to logic high level.

Key Features

  • 300mA Low Dropout Regulator with EN.
  • Very low IQ over full load: 65µA.
  • Wide input voltage range: 2V to 6V.
  • Wide adjustable output: 0.8V to 5.0V.
  • Fixed output options: 1.0V to 3.3V.
  • PSRR: 65dB typical at 100Hz.
  • Fast start-up time: 80µs.
  • Stable with low ESR, 1µF ceramic output capacitor.
  • Excellent Load/Line Transient Response.
  • Low dropout: 300mV typical at 300mA.
  • Current limit protection.
  • S.

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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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AP7331 300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT LOW DROPOUT LINEAR REGULATOR Description The AP7331 is a 300mA, adjustable and fixed output voltage, low dropout linear regulator. The device included pass element, error amplifier, band-gap, current limit and thermal shutdown circuitry. The device is turned on when EN pin is set to logic high level. The characteristics of low dropout voltage and low quiescent current make it suitable for low power applications, for example, battery powered devices. The typical quiescent current is approximately 65μA. Built-in current-limit and thermal-shutdown functions prevent IC from damage in fault conditions. The AP7331 is available in SOT25 and DFN2020-6 packages.