LM3697YFQR - Texas Instruments

Manufacturer Part Number

LM3697YFQR

Manufacturer

Texas Instruments

Introduction

The LM3697YFQR is a Power Management Integrated Circuit (PMIC) specifically designed for LED driving, especially for backlighting applications in portable devices.

Product Features and Performance

Topology: Step-Up (Boost) integrated with an internal switch

Offers three outputs for multi-channel LED driving

Voltage support ranges from 2.7V to 5.5V with an output voltage up to 40V

Can deliver up to 30mA current per output channel

Dual selectable frequency operation at 500kHz or 1MHz to optimize efficiency and component size

Integrated into a compact 12-WFBGA, DSBGA package measuring 1.64x1.24 mm

Product Advantages

High efficiency and compact size make it suitable for portable applications

Support for a wide input voltage range increases compatibility with various power sources

The ability to drive multiple LEDs simplifies design and reduces component count

High-output voltage capability allows for driving LEDs in series, improving consistency and reducing brightness variations

Key Technical Parameters

Number of Outputs: 3

Voltage Supply (Min): 2.7V

Voltage Supply (Max): 5.5V

Voltage Output: 40V

Current Output / Channel: 30mA

Frequency: 500kHz, 1MHz

Operating Temperature: -40°C to +85°C

Quality and Safety Features

Built to comply with Texas Instruments' rigorous standards for performance and reliability

Features thermal shutdown and over-current protection to ensure safe operation

Compatibility

Designed for surface mount technology, facilitating easier integration into various circuit board layouts

Application Areas

Primarily designed for backlight applications in portable devices such as smartphones, tablets, and laptops

Product Lifecycle

Currently marked as Active, indicating ongoing production and support

No noted imminent discontinuation, ensuring long-term availability and support for designs

Several Key Reasons to Choose This Product

High efficiency in power conversion extends battery life in portable applications

Multi-channel output supports complex LED configurations without additional components

Wide input voltage range and high-output voltage capability enhance versatility in various design scenarios

Compact packaging enables space-saving designs, crucial in portable device applications

Backed by Texas Instruments' reputation for quality and reliability