LTC3621IMS8E#PBF - Linear Technology

Manufacturer Part Number

LTC3621IMS8E#PBF

Manufacturer

Analog Devices

Introduction

The LTC3621 is a high-efficiency, synchronous step-down DC/DC converter that can deliver up to 1A of output current. It features a wide 2.7V to 17V input voltage range and an adjustable 0.6V to 17V output voltage. The LTC3621 uses constant frequency, peak current mode control to provide fast transient response and easy loop compensation.

Product Features and Performance

High efficiency up to 96%

Wide 2.7V to 17V input voltage range

Adjustable 0.6V to 17V output voltage

1A output current capability

1MHz constant frequency operation

Synchronous rectification for high efficiency

Integrated high-side and low-side power switches

Low 55μA quiescent current in no-load standby mode

Thermal overload and short-circuit protection

Internal compensation for easy use

Product Advantages

High efficiency for improved power savings

Wide input and output voltage ranges for flexible design

High output current capability for powering larger loads

Constant switching frequency for simpler filtering

Synchronous rectification for enhanced efficiency

Low quiescent current for improved battery life

Key Reasons to Choose This Product

Excellent power conversion efficiency

Versatile input and output voltage ranges

Compact, space-saving surface-mount package

Reliable protection features for safe operation

Easy to use with internal compensation

Quality and Safety Features

Thermally enhanced 8-pin MSOP package with exposed pad

Thermal overload and short-circuit protection

REACH and RoHS compliance for environmental safety

Compatibility

The LTC3621 is compatible with a wide range of applications that require a compact, efficient, and adjustable step-down DC/DC converter, including:

Portable electronics

Industrial and medical equipment

Telecommunications systems

Automotive and transportation applications

Application Areas

Power supplies for portable devices

Point-of-load conversion in distributed power systems

Power management for industrial and medical equipment

Voltage regulation for automotive and transportation applications

Product Lifecycle

The LTC3621 is an active product and is currently in production. There are no plans for discontinuation at this time. Analog Devices also offers several alternative and equivalent models, such as the LTC3628 and LTC3633, which may provide similar or enhanced features depending on the specific design requirements.