Manufacturer Part Number
LP3936SL
Manufacturer
Texas Instruments
Introduction
The LP3936SL is a highly integrated, multi-channel LED driver IC designed for backlight and camera flash applications. It features a high-efficiency boost converter and up to 9 constant-current LED driver channels, making it a versatile solution for powering multiple LEDs in portable devices.
Product Features and Performance
Step-up (boost) converter topology with internal switch
Supports up to 9 constant-current LED driver channels
Output current per channel: 25mA (normal), 120mA (flash)
Wide input voltage range: 3V to 6V
High switching frequency: 1MHz
PWM dimming capability
Operates over a wide temperature range: -40°C to 85°C
Product Advantages
Highly integrated design reduces external component count
Efficient boost converter minimizes power loss
Multiple LED driver channels enable flexible LED array configurations
PWM dimming allows fine control of LED brightness
Key Reasons to Choose This Product
Comprehensive LED driving solution in a compact package
Optimized for portable device applications with high efficiency and small footprint
Versatile configuration options to match various LED array requirements
Proven reliability and performance from a trusted manufacturer
Quality and Safety Features
Robust over-temperature protection
Input undervoltage lockout
Output short-circuit protection
Compatibility
The LP3936SL is designed to be compatible with a wide range of portable electronic devices, including smartphones, tablets, and cameras, where efficient and reliable LED backlight and flash functionality is required.
Application Areas
Smartphone and tablet backlight
Camera flash
Other portable electronics requiring LED-based illumination
Product Lifecycle
The LP3936SL is an obsolete product, meaning it is no longer in active production. However, there are alternative and equivalent models available that can provide similar functionality:
LP3952 (9-channel LED driver with boost converter)
LP3955 (8-channel LED driver with boost converter)
LP3956 (6-channel LED driver with boost converter)
LP3930TMX-18285NS