LTC1772B 전자부품 데이터시트

LTC1775 High Power No RSENSE Current Mode Synchronous Step-Down Switching Regulator TM FEATURES s s s s s s s s s s s s s s s s s DESCRIPTIO Highest Efficiency Current Mode Controller No Sense Resistor Required 300mV Maximum Current Sense Voltage Stable High Current Operation Dual N-Channel MOSFE

LTC1775 High Power No RSENSE Current Mode Synchronous Step-Down Switching Regulator TM FEATURES s s s s s s s s s s s s s s s s s DESCRIPTIO Highest Efficiency Current Mode Controller No Sense Resistor Required 300mV Maximum Current Sense Voltage Stable High Current Operation Dual N-Channel MOSFE

LTC1775 High Power No RSENSE Current Mode Synchronous Step-Down Switching Regulator TM FEATURES s s s s s s s s s s s s s s s s s DESCRIPTIO Highest Efficiency Current Mode Controller No Sense Resistor Required 300mV Maximum Current Sense Voltage Stable High Current Operation Dual N-Channel MOSFE

U U LTC1772 Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23 FEATURES ■ High Efficiency: Up to 94% ■ High Output Currents Easily Achieved ■ Wide VIN Range: 2.5V to 9.8V ■ Constant Frequency 550kHz Operation ■ Burst Mode® Operation at Light Load ■ Low Dropout: 100%

Final Electrical Specifications LTC1771 Low Quiescent Current High Efficiency Step-Down DC/DC Controller FEATURES s s s s s s s s s DESCRIPTIO February 2000 s s s s Very Low Standby Current: 10µA Available in Space-Saving 8-Lead MSOP Package High Output Currents Wide VIN Range: 2.8V to 20V Ope