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MIC2954 Datasheet 250ma Low-dropout Regulator

Manufacturer: Micrel Semiconductor (now Microchip Technology)

Overview: MIC2954 Micrel MIC2954 250mA Low-Dropout Regulator General.

General Description

The MIC2954 is a “bulletproof” efficient voltage regulator with very low dropout voltage (typically 40mV at light loads and 375mV at 250mA), and low quiescent current (120µA typical).

The quiescent current of the MIC2954 increases only slightly in dropout, thus prolonging battery life.

Key MIC2954

Key Features

  • include protection against reversed battery, foldback current limiting, and automotive load dump protection (60V positive transient). The MIC2954-07/08BM is an adjustable version that includes an error flag output that warns of a low output voltage, which is often due to failing batteries on the input. This may also be used as a power-on reset. A logic-compatible shutdown input is provided which enables the regulator to be switched on and off. This part may be pin-strapped for 5V output, or prog.

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