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LTC3427 - 1.25MHz Synchronous Step-Up DC/DC Converter

Description

The LTC®3427 is the industry’s first high efficiency, fixed frequency, step-up DC/DC converter with true output disconnect in a 6-lead 2mm × 2mm DFN package.

Requiring minimal external components, the LTC3427 operates from an input voltage as low as 1.8V.

Features

  • n High Efficiency: Up to 94% n 3.3V at 200mA from Two Alkaline Cells n 5V at 200mA from a Single Li-Ion Cell n Inrush Current Limiting and Soft-Start n Output Disconnect in Shutdown n 1.8V to 5V VIN Range n 1.8V to 5.25V VOUT Range n 1.25MHz Fixed Frequency, Low Noise PWM n Internal Synchronous Rectifier n Logic Controlled Shutdown (.

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Datasheet Details

Part number LTC3427
Manufacturer Analog Devices
File Size 337.62 KB
Description 1.25MHz Synchronous Step-Up DC/DC Converter
Datasheet download datasheet LTC3427 Datasheet

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Full PDF Text Transcription

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FEATURES n High Efficiency: Up to 94% n 3.3V at 200mA from Two Alkaline Cells n 5V at 200mA from a Single Li-Ion Cell n Inrush Current Limiting and Soft-Start n Output Disconnect in Shutdown n 1.8V to 5V VIN Range n 1.8V to 5.25V VOUT Range n 1.25MHz Fixed Frequency, Low Noise PWM n Internal Synchronous Rectifier n Logic Controlled Shutdown (<1µA) n Anti-Ringing Control Minimizes EMI n Tiny External Components n Short-Circuit Protection n Low Profile (0.75mm × 2mm × 2mm) DFN Package APPLICATIONS n Handheld Instruments n Digital Cameras n Wireless Handsets n GPS Receivers n Portable Medical Devices n MP3 Players LTC3427 500mA, 1.
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