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LTC3499B Datasheet 750mA Synchronous Step-Up DC/DC Converters

Manufacturer: Linear Technology (now Analog Devices)

Download the LTC3499B datasheet PDF. This datasheet also includes the LTC3499 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (LTC3499_LinearTechnology.pdf) that lists specifications for multiple related part numbers.

General Description

The LTC®3499/LTC3499B are synchronous, fixed frequency step-up DC/DC power converters with integrated reverse battery protection that protect and disconnect the devices and load when the battery polarity is reversed while delivering high efficiency in a small (3mm × 3mm) DFN package.

True output disconnect eliminates inrush current and allows zero load current in shutdown.

The devices

Overview

LTC3499/LTC3499B 750mA Synchronous Step-Up DC/DC Converters with Reverse-Battery.

Key Features

  • n Reverse-Battery Protection for DC/DC Converter and Load n High Efficiency: Up to 94% n Generates 5V at 175mA from a 1.8V Input n Operates from 1.8V to 5.5V Input Supply n 2V to 6V Adjustable Output Voltage n Inrush Current Controlled During Start-Up n Output Disconnnect in Shutdown n Low Noise 1.2MHz PWM Operation n Tiny External Components n Automatic Burst Mode® Operation (LTC3499) n Continuous Switching at Light Loads (LTC3499B) n Overvoltage Protection n 8-Lead (3mm × 3mm × 0.75mm) DFN and.

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