AL3353S-13

Overview

The AL3353S-13 is a high-performance boost LED controller manufactured by Diodes Incorporated, designed for LCD monitor and TV backlighting applications. It operates within an input voltage range of 9 V to 40 V and features a fixed switching frequency of 120 kHz. The device supports adjustable output voltage and includes PWM dimming capabilities alongside open LED protection. Packaged in an SOIC-8 format, it functions reliably across a temperature range of -40°C to +105°C with a maximum supply current of 3 mA.

Feature Summary

• Integrated boost topology optimized for single-channel LED driving
• Supports analog and PWM dimming control methods
• Includes built-in open LED protection circuitry

Applications

• LCD monitor backlighting systems
• LCD television backlighting circuits
• Laptop display backlight drivers

Procurement Notes

Verify the specific suffix 'S-13' against the manufacturer's official documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with the required operating temperature range and input voltage parameters before integration into the final design.

Selection Notes

Select this component for designs requiring a cost-effective, highly integrated solution for LED backlighting. It is suitable for applications needing a single boost channel with support for both analog and PWM dimming signals within a standard SOIC-8 footprint.

Part Context

This part belongs to the AL3353 family of LED lighting driver ICs from Diodes Incorporated. These controllers are specifically engineered for portable and consumer electronics displays, offering a balance of performance and simplicity for driving LED strings in backlight configurations.

Replacement Considerations

Consult official substitution guides for equivalent boost LED controllers. Verify pinout compatibility and electrical parameter alignment before replacing the original component in existing designs.