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LT1945

Linear Technology
Part Number LT1945
Manufacturer Linear Technology
Description Dual Micropower DC/DC Converter
Published Mar 22, 2005
Detailed Description FEATURES n Generates Well-Regulated Positive and Negative Outputs n Low Quiescent Current: 20μA in Active Mode (per Conv...
Datasheet PDF File LT1945 PDF File

LT1945
LT1945

Overview
FEATURES n Generates Well-Regulated Positive and Negative Outputs n Low Quiescent Current: 20μA in Active Mode (per Converter) <1μA in Shutdown Mode n Operates with VIN as Low as 1.
2V n Low VCESAT Switch: 250mV at 300mA n Uses Small Surface Mount Components n High Output Voltage: Up to ±34V n Tiny 10-Pin MSOP Package APPLICATIONS n Small TFT LCD Panels n Handheld Computers n Battery Backup n Digital Cameras LT1945 Dual Micropower DC/DC Converter with Positive and Negative Outputs DESCRIPTION The LT®1945 is a dual micropower DC/DC converter in a 10-pin MSOP package.
Each converter is designed with a 350mA current limit and an input voltage range of 1.
2V to 15V, making the LT1945 ideal for a wide variety of applications.
Both converters feature a quiescent current of only 20μA at no load, which further reduces to 0.
5μA in shutdown.
A current limited, fixed off-time control scheme conserves operating current, resulting in high efficiency over a broad range of load current.
The 36V switch a...


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