Linear Technology LTC1707
The LTC1707 comes in an 8-lead SO package.FEATURES
s 600mA Output Current (VIN ≥ 4V) s High Efficiency: Up to 96% s Constant Frequency: 350kHz Synchronizable to 550kHz s 2.85V to 8.5V VIN Range s 0.8V Feedback Reference Allows Low Voltage Outputs: 0.8V ≤ VOUT ≤ VIN s No Schottky Diode Required s 1.19V ±1% Reference Output Pin s Selectable Burst ModeTM Operation/Pulse Skipping Mode s Low Dropout Operation: 100% Duty Cycle s Precision 2.7V Undervoltage Lockout s Current Mode Control for Excellent Line and Load Transient Response s Low Quiescent Current: 200µA s Shutdown Mode Draws Only 11µA Supply Current s Available in 8-Lead SO Package U APPLICATIO S s Cellular Telephones s Portable Instruments s Wireless Modems s RF Communications s Distributed Power Systems s Single and Dual Cell Lithium LTC1707 High Efficiency Monolithic Synchronous Step-Down Switching Regulator DESCRIPTIO The LTC®1707 is a high efficiency monolithic current mode synchronous buck regulator using a fixed frequency architecture. The operating supply range is from 8.5V down to 2.85V, making it suitable for both single and dual lithium-ion battery-powered applications.