LM3421MH - Texas Instruments

Manufacturer Part Number

LM3421MH

Manufacturer

Texas Instruments

Introduction

The LM3421MH is a high-performance, single-channel DC-DC controller for driving high-brightness LEDs from a wide range of supply voltages.

Product Features and Performance

Supports SEPIC, step-down (buck), and step-up (boost) topologies

Operates at a switching frequency of 2MHz

Provides up to 1A of output current per channel

Supports analog and PWM dimming

Wide input voltage range of 4.5V to 75V

Product Advantages

Efficient and compact LED driving solution

Supports a wide range of supply voltages

Flexible topology options for diverse application requirements

High-frequency operation enables small external components

Key Technical Parameters

Operating temperature range: -40°C to 125°C

Package: 16-HTSSOP

Quality and Safety Features

Robust thermal protection and current limiting

Meets safety and regulatory requirements for LED lighting applications

Compatibility

Suitable for use in a variety of general-purpose LED lighting applications

Application Areas

General-purpose LED lighting

Industrial and commercial lighting

Automotive lighting

Architectural and decorative lighting

Product Lifecycle

The LM3421MH is an actively supported product, with available replacements and upgrades.

Key Reasons to Choose This Product

Efficient and versatile LED driving solution

Wide input voltage range and flexible topology options

High-frequency operation for compact design

Robust thermal and current protection features

Suitable for a wide range of LED lighting applications