LM3405XMKX - Texas Instruments

Manufacturer Part Number

LM3405XMKX

Manufacturer

Texas Instruments

Introduction

The LM3405XMKX is a constant current buck regulator designed to provide a simple, efficient, and high-performance LED driver solution. It facilitates easy design for power management and LED lighting applications.

Product Features and Performance

Step-Down (Buck) DC DC Regulator topology

Integrated internal switch for size and efficiency

Supports Adjustable Output Voltage up to 13.5V ensuring flexibility in applications

High efficiency due to operating frequency of 1.6MHz

Support for PWM dimming enabling dynamic lighting control

Designed to drive 1A current per channel to LEDs

Wide Voltage Supply range from 3V to 15V accommodating various power sources

Operating Temperature range of -40°C to 125°C catering to harsh environments

Product Advantages

Integration of switching transistor reduces external parts count

High-efficiency operation reduces heat and improves system reliability

PWM dimming feature allows for energy saving and dynamic brightness control

Versatile power supply compatibility increases application scenarios

Compact SOT-23-6 package suitable for space-constrained applications

Key Technical Parameters

Voltage Supply (Min): 3V

Voltage Supply (Max): 15V

Voltage Output: 13.5V

Current Output/Channel: 1A

Frequency: 1.6MHz

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

High thermal performance package designed for reliability

Over-current and over-temperature protection for safe operation

Compatibility

Suitable for a range of LED lighting applications due to its adjustable output

Compatible with a variety of passive components for flexible design options

Application Areas

General-purpose LED lighting

Architectural lighting

Task lighting

Automotive lighting solutions

Product Lifecycle

Discontinued at Digi-Key indicating end of life

Replacement or upgrade parts may be available from Texas Instruments for future support

Several Key Reasons to Choose This Product

High integration level decreases overall solution size and complexity

Flexibility in application due to wide input voltage range and adjustable output

High efficiency leads to energy savings and lower operational costs

Suitable for use in both commercial and consumer lighting applications

Support for PWM dimming allows for creative and dynamic lighting solutions