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MIC5249 - 300mA uCap LDO

General Description

The MIC5249 is an efficient, precise 300mA 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 400mV @ 300mA), and low ground current (typically 85mA) over load.

Key Features

  • of the MIC5249 include a logic-compatible enable pin, current limit, thermal shutdown, ultra-fast transient response, and an active clamp to speed up device turnoff. The MIC5249 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power.

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Datasheet Details

Part number MIC5249
Manufacturer Micrel Semiconductor
File Size 178.56 KB
Description 300mA uCap LDO
Datasheet download datasheet MIC5249 Datasheet

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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 300mA µCap LDO with Programmable Power-On Reset Delay General Description The MIC5249 is an efficient, precise 300mA 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 400mV @ 300mA), and low ground current (typically 85mA) over load. Designed specifically for noise-critical applications in handheld or battery-powered devices, the MIC5249 comes equipped with a noise reduction feature to filter the output noise via an external capacitor. Other features of the MIC5249 include a logic-compatible enable pin, current limit, thermal shutdown, ultra-fast transient response, and an active clamp to speed up device turnoff.