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MAX38888 - 0.5A/2.5A Reversible Buck/Boost Regulator

Description

The MAX38888 is a storage capacitor or capacitor bank backup regulator designed to efficiently transfer power between a storage element and a system supply rail in reversible buck and boost operations using the same inductor.

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Full PDF Text Transcription

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Click here for production status of specific part numbers. MAX38888 2.5V–5.0V, 0.5A/2.5A Reversible Buck/Boost Regulator for Backup Power Applications General Description The MAX38888 is a storage capacitor or capacitor bank backup regulator designed to efficiently transfer power between a storage element and a system supply rail in reversible buck and boost operations using the same inductor. When the main supply is present and above the minimum system supply voltage, the regulator operates in buck mode and charges the storage element at up to 500mA peak inductor current. Once the storage element is charged, the circuit draws only 2.5µA of current while it maintains the super capacitor or other storage element in its ready state.
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