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LTC3525D-3.3 - 400mA Micropower Synchronous Step-Up DC/DC Converter

General Description

The LTC®3525D-3.3 is a high efficiency synchronous stepup DC/DC converter that can start up with an input as low as 0.85V.

It offers a compact, high efficiency alternative to charge pumps in single cell or dual cell alkaline or Li-Ion applications.

Only three small external components are required.

Key Features

  • n VOUT Connected to VIN in Shutdown n Up to 95% Efficiency n 0.85V Minimum Input Start-Up Voltage n Fixed Output Voltage of 3.3V n Delivers 60mA at 3.3V from a 1V Input, or 140mA at 3.3V from a 1.8V Input n Burst Mode® Operation: IQ = 7µA n VIN Range: 0.5V to 4.5V n Only Three External Components n VIN > VOUT Operation n Anti-Ringing Control n Short-Circuit and Overtemperature Protection n Very Low Profile of 1mm n Tiny 6-Lead SC70 Package.

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Full PDF Text Transcription for LTC3525D-3.3 (Reference)

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LTC3525D-3.3 400mA Micropower Synchronous Step-Up DC/DC Converter with Pass Through Mode Features n VOUT Connected to VIN in Shutdown n Up to 95% Efficiency n 0.85V Minim...

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VOUT Connected to VIN in Shutdown n Up to 95% Efficiency n 0.85V Minimum Input Start-Up Voltage n Fixed Output Voltage of 3.3V n Delivers 60mA at 3.3V from a 1V Input, or 140mA at 3.3V from a 1.8V Input n Burst Mode® Operation: IQ = 7µA n VIN Range: 0.5V to 4.5V n Only Three External Components n VIN > VOUT Operation n Anti-Ringing Control n Short-Circuit and Overtemperature Protection n Very Low Profile of 1mm n Tiny 6-Lead SC70 Package Applications n MP3 Players n Portable Instruments n Glucose Meters n Digital Cameras L, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks and ThinSO