U U
LTC1266 LTC1266-3.
3/LTC1266-5
Synchronous
Regulator Controller for
N- or P-Channel MOSFETs
FEATURES
DESCRIPTIO
s Ultrahigh Efficiency: Over 95% Possible s Drives N-Channel MOSFET for High Current or
P-Channel MOSFET for Low Dropout s Pin Selectable Burst Mode Operation s 1% Output Accuracy (LTC1266A) s Pin Selectable Phase of Topside Driver for Boost
or Step-Down Operation s Wide VIN Range: 3.
5V to 20V s On-Chip Low-Battery Detector s High Efficiency Maintained Over Large Current Range s Low 170µA Standby Current at Light Loads s Current Mode Operation for Excellent Line and Load
Transient Response s Logic Controlled Micropower Shutdown: IQ 40µA s Short-Circuit Protection s Synchro...