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LTC3646-1 Datasheet 1A Synchronous Step-Down Converter

Manufacturer: Linear Technology (now Analog Devices)

Download the LTC3646-1 datasheet PDF. This datasheet also includes the LTC3646 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (LTC3646-Linear.pdf) that lists specifications for multiple related part numbers.

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.

More Datasheets from Linear Technology (now Analog Devices)

Part Number Description
LTC3646 1A Synchronous Step-Down Converter
LTC3643 2A Bidirectional Power Backup Supply
LTC3649 4A Synchronous Step-Down Regulator
LTC3600 Step-Down Regulator
LTC3603 Monolithic Synchronous Step-Down Regulator
LTC3605 5A Synchronous Step-Down Regulator
LTC3605A 5A Synchronous Step-Down Regulator
LTC3607 Dual 600mA 15V Monolithic Synchronous Step-Down DC/DC Regulator
LTC3612 4MHz Monolithic Synchronous Step-Down DC/DC Converter
LTC3614 4MHz Monolithic Synchronous Step-Down DC/DC Converter