LM3646YFQR - Texas Instruments

Manufacturer Part Number

LM3646YFQR

Manufacturer

Texas Instruments

Introduction

The LM3646YFQR by Texas Instruments is designed for power management, specifically as an LED driver tailored for camera flash applications. It provides a step-up (boost) DC DC regulator function, facilitating efficient power conversion and light control for mobile device cameras.

Product Features and Performance

Integrated DC DC Regulator with Step-Up (Boost) topology

Features internal switches for enhanced performance

Capable of driving 2 outputs simultaneously

Supports a wide input voltage range from 2.7V to 5.5V

Delivers up to 1.5A current output per channel, ideal for flash applications

High-frequency operation at 4MHz minimizing external component sizes

I2C dimming control enables flexible brightness adjustment

Designed for surface mount technology

Product Advantages

Efficient power conversion for LED driving

Compact design enabled by high-frequency operation

Flexible brightness control via I2C interface

Supports dual output for enhanced application flexibility

Key Technical Parameters

Voltage Supply (Min): 2.7V

Voltage Supply (Max): 5.5V

Current Output / Channel: 1.5A (Flash)

Frequency: 4MHz

Operating Temperature Range: -40°C ~ 85°C

Quality and Safety Features

Operates within a wide temperature range ensuring reliability under various conditions

Compatibility

Designed for camera flash applications across a variety of mobile devices

Application Areas

Primarily used in mobile phones or portable devices for camera flash lighting enhancement

Product Lifecycle

Marked as Obsolete indicating the end of its production lifecycle. It’s advised to look for possible replacements or upgrades.

Several Key Reasons to Choose This Product

High efficiency in power conversion for LED applications

Flexibility in brightness control through I2C dimming

Supports a wide range of input voltages accommodating various power sources

Capable of driving two LED outputs, making it versatile for dual-flash configurations

Compact and efficient design due to integrated step-up regulator and high-frequency operation