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LT1074

Linear Technology
Part Number LT1074
Manufacturer Linear Technology
Description Step-Down Switching Regulator
Published Mar 22, 2005
Detailed Description LT1074/LT1076 Step-Down Switching Regulator FEATURES ■ 5A Onboard Switch (LT1074) ■ Operates Up to 60V Input ■ 100kHz S...
Datasheet PDF File LT1074 PDF File

LT1074
LT1074

Overview
LT1074/LT1076 Step-Down Switching Regulator FEATURES ■ 5A Onboard Switch (LT1074) ■ Operates Up to 60V Input ■ 100kHz Switching Frequency ■ Greatly Improved Dynamic Behavior ■ Available in Low Cost 5 and 7-Lead Packages ■ Only 8.
5mA Quiescent Current ■ Programmable Current Limit ■ Micropower Shutdown Mode U APPLICATIO S ■ Buck Converter with Output Voltage Range of 2.
5V to 50V ■ Tapped-Inductor Buck Converter with 10A Output at 5V ■ Positive-to-Negative Converter ■ Negative Boost Converter ■ Multiple Output Buck Converter DESCRIPTIO The LT®1074 is a 5A (LT1076 is rated at 2A) monolithic bipolar switching regulator which requires only a few external parts for normal operation.
The power switch, all oscillator and control circuitry, and all current limit com- ponents, are included on the chip.
The topology is a classic positive “buck” configuration but several design innovations allow this device to be used as a positive-to-negative converter, a negative ...


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