Manufacturer Part Number
LM3557SD-2
Manufacturer
Texas Instruments
Introduction
The LM3557SD-2 is a high-efficiency, step-up DC/DC converter with an integrated power switch, designed to drive high-brightness LEDs in backlighting applications. It offers a wide input voltage range, accurate LED current regulation, and low power consumption.
Product Features and Performance
Wide input voltage range: 2.7V to 7.5V
Integrated power switch for up to 800mA output current
2MHz switching frequency for small external components
Accurate LED current regulation with ±3% tolerance
Thermal shutdown and overcurrent protection
Compact 8-pin WFDFN package
Product Advantages
High efficiency, up to 90%, minimizing power losses
Small solution size with integrated power switch
Robust protection features for reliable operation
Suitable for a variety of backlight applications
Key Reasons to Choose This Product
Optimized for high-brightness LED backlight systems
Efficient and compact design, reducing system size and cost
Reliable operation with built-in protection features
Ease of use with integrated power switch and accurate current regulation
Quality and Safety Features
Compliance with safety and environmental standards
Robust design for reliable long-term operation
Rigorous quality control and testing procedures
Compatibility
The LM3557SD-2 is compatible with a wide range of high-brightness LED backlight applications, including laptops, tablets, smartphones, and other mobile devices.
Application Areas
Backlight for LCD displays in portable electronics
LED illumination and lighting solutions
General-purpose DC/DC conversion applications
Product Lifecycle
The LM3557SD-2 is an obsolete product. Our website's sales team recommends the LM3494 or LM3488 as alternative models that offer similar functionality and performance.
LM355MNS