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MIC5249 - 300mA uCap LDO

General Description

The MIC5249 is an efficient, precise 300 mA CMOS voltage regulator with power on reset (POR) delay which can be implemented via an external capacitor.

It offers 1% initial accuracy, extremely low dropout voltage (typically 400 mV @ 300 mA), and low ground current (typically 85 mA) over load.

Key Features

  • 300 mA Output Current.
  • High PSRR: 65 dB@120 Hz.
  • Stable with Ceramic Output Capacitor.
  • Power-on-Reset (POR) Output with Adjustable Delay Time.
  • High Output Accuracy: - ±1.0% Initial Accuracy - ±3.0% Over Temperature.
  • Low Dropout Voltage of 340 mV @ 300 mA.
  • Low Quiescent Current: 85 µA.
  • Zero Current Shutdown Mode.
  • Thermal Shutdown and Current-Limit Protection.
  • Tiny MSOP-8 Package.

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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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MIC5249 300 mA µCap LDO with Programmable Power-On Reset Delay Features • 300 mA Output Current • High PSRR: 65 dB@120 Hz • Stable with Ceramic Output Capacitor • Power-on-Reset (POR) Output with Adjustable Delay Time • High Output Accuracy: - ±1.0% Initial Accuracy - ±3.0% Over Temperature • Low Dropout Voltage of 340 mV @ 300 mA • Low Quiescent Current: 85 µA • Zero Current Shutdown Mode • Thermal Shutdown and Current-Limit Protection • Tiny MSOP-8 Package Applications • Cellular Phones • PDAs • Fiber Optic Modules General Description The MIC5249 is an efficient, precise 300 mA CMOS voltage regulator with power on reset (POR) delay which can be implemented via an external capacitor.