LTC3646-1 Datasheet 1a Synchronous Step-down Converter

Manufacturer: Linear Technology (now Analog Devices)

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

Part number	LTC3646-1
Manufacturer	Linear Technology (now Analog Devices)
File Size	556.12 KB
Description	1A Synchronous Step-Down Converter
Datasheet	LTC3646-1 LTC3646 Datasheet (PDF)

General Description

The LTC®3646 is a high efficiency, step-down DC/DC converter with internal high side and synchronous power FETs.

It draws only 140µA typical DC supply current in Burst Mode operation at no load while maintaining output voltage regulation.

The LTC3646 can supply up to a 1A load, and its combination of Burst Mode operation, integrated power switche

Key Features

nn Wide Input Voltage Range: 4.0V to 40V nn 1A Guaranteed Output Current nn High Efficiency: Up to 95% nn Wide Output Voltage Range nn LTC3646: 2.0V to 30V nn LTC3646-1: 0.6V to 15V nn ±1% Accurate Reference Voltage nn Internal or External Compensation nn Switching Frequency Adjustable and Synchronizable: 200kHz to 3MHz nn Selectable High Efficiency Burst Mode® Operation or Forced Continuous Mode nn 14 Lead 3mm × 4mm DFN or Thermally Enhanced 16-Lead MSOP Packages.

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