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LTC1879

Linear Technology
Part Number LTC1879
Manufacturer Linear Technology
Description 1.2A Synchronous Step-Down Regulator
Published Mar 27, 2005
Detailed Description U U LTC1879 1.2A Synchronous Step-Down Regulator with 15µA Quiescent Current FEATURES s High Efficiency: Up to 95% s L...
Datasheet PDF File LTC1879 PDF File

LTC1879
LTC1879

Overview
U U LTC1879 1.
2A Synchronous Step-Down Regulator with 15µA Quiescent Current FEATURES s High Efficiency: Up to 95% s Low Quiescent Current: Only 15µA with No Load s 550kHz Constant Frequency Operation s 2.
65V to 10V Input Voltage Range s VOUT from 0.
8V to VIN, IOUT to 1.
2A s True PLL Frequency Locking from 350kHz to 750kHz s Power Good Output Voltage Monitor s Low Dropout Operation: 100% Duty Cycle s Burst Mode® or Pulse Skipping Operation s Current Mode Operation for Excellent Line and Load Transient Response s Shutdown Mode Draws < 1µA Supply Current s ±2% Output Voltage Accuracy s Overcurrent and Overtemperature Protected s Available in 16-Lead SSOP Package U APPLICATIO S s Cellular Telephones s Portable Computers s Wireless Modems DESCRIPTIO The LTC®1879 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture.
Operating supply current is only 15µA with no load and drops to < 1µA in shutdown.
The input supply voltage range ...


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