Datasheet Summary
LTC1622 Low Input Voltage Current Mode Step-Down DC/DC Controller
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High Efficiency Constant Frequency 550kHz Operation VIN Range: 2V to 10V Multiampere Output Currents OPTI-LOOPTM pensation Minimizes COUT Selectable, Burst Mode Operation Low Dropout Operation: 100% Duty Cycle Synchronizable up to 750kHz Current Mode Operation for Excellent Line and Load Transient Response Low Quiescent Current: 350µA Shutdown Mode Draws Only 15µA Supply Current ± 1.9% Reference Accuracy Available in 8-Lead MSOP
1- or 2-Cell Li-Ion Powered Applications Cellular Telephones Wireless Modems Portable puters Distributed 3.3V,...