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LT1615-1

Linear Technology
Part Number LT1615-1
Manufacturer Linear Technology
Description Micropower Step-Up DC/DC Convertersin SOT-23
Published Mar 22, 2005
Detailed Description LT1615/LT1615-1 Micropower Step-Up DC/DC Converters in SOT-23 FEATURES s DESCRIPTIO s s s s s Low Quiescent Current:...
Datasheet PDF File LT1615-1 PDF File

LT1615-1
LT1615-1

Overview
LT1615/LT1615-1 Micropower Step-Up DC/DC Converters in SOT-23 FEATURES s DESCRIPTIO s s s s s Low Quiescent Current: 20µA in Active Mode <1µA in Shutdown Mode Operates with VIN as Low as 1V Low VCESAT Switch: 250mV at 300mA Tiny 5-Lead SOT-23 Package Uses Small Surface Mount Components High Output Voltage: Up to 34V U APPLICATIO S s s s s LCD Bias Handheld Computers Battery Backup Digital Cameras The LT®1615/LT1615-1 are micropower step-up DC/DC converters in a 5-lead SOT-23 package.
The LT1615 is designed for higher power systems with a 350mA current limit and an input voltage range of 1.
2V to 15V, whereas the LT1615-1 is intended for lower power and single-cell applications with a 100mA current limit and an extended input voltage range of 1V to 15V.
Otherwise, the two devices are functionally equivalent.
Both devices feature a quiescent current of only 20µA at no load, which further reduces to 0.
5µA in shutdown.
A current limited, fixed offtime control scheme conserves operati...


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