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LTC1142HV

Linear Technology
Part Number LTC1142HV
Manufacturer Linear Technology
Description Dual High Efficiency Synchronous Step-Down Switching Regulators
Published Mar 22, 2005
Detailed Description U U FEATURES s Dual Outputs: 3.3V and 5V or User Programmable s Ultrahigh Efficiency: Over 95% Possible s Current Mode ...
Datasheet PDF File LTC1142HV PDF File

LTC1142HV
LTC1142HV

Overview
U U FEATURES s Dual Outputs: 3.
3V and 5V or User Programmable s Ultrahigh Efficiency: Over 95% Possible s Current Mode Operation for Excellent Line and Load Transient Response s High Efficiency Maintained over 3 Decades of Output Current s Low Standby Current at Light Loads: 160µA/Output s Independent Micropower Shutdown: IQ < 40µA s Wide VIN Range: 3.
5V to 20V s Very Low Dropout Operation: 100% Duty Cycle s Synchronous FET Switching for High Efficiency s Available in Standard 28-Pin SSOP U APPLICATIO S s Notebook and Palmtop Computers s Battery-Operated Digital Devices s Portable Instruments s DC Power Distribution Systems LTC1142/LTC1142L/LTC1142HV Dual High Efficiency Synchronous Step-Down Switching Regulators DESCRIPTIO The LTC®1142/LTC1142L/LTC1142HV are dual synchronous step-down switching regulator controllers featuring automatic Burst ModeTM operation to maintain high efficiencies at low output currents.
The devices are composed of two separate regulator blocks, each driving ...


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