Analog Devices Inc.

Synchronous Regulator Controller for N- or P-Channel MOSFETs Features: Ultrahigh Efficiency: Over 95% Possible Drives N-Channel MOSFET for High Current or P-Channel MOSFET for Low Dropout Pin Selectable Burst Mode Operation 1% Output Accuracy (LTC1266A) Pin Selectable Phase of Topside Driver for Boost or Step-Down Operation Wide VIN Range: 3.5V to 20V On-Chip Low-Battery Detector High Efficiency Maintained Over Large Current Range Low 170µA Standby Current at Light Loads Current Mode Operation for Excellent Line and Load Transient Response Logic Controlled Micropower Shutdown: IQ < 40µA Short-Circuit Protection Synchronous Switching with Nonoverlaping Gate Drives Available in 16-Pin Narrow SO Package

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