The AL8861WT-7 from Diodes Incorporated is a high-efficiency buck constant current LED driver IC designed for driving high-brightness LEDs in compact lighting applications.
The device operates from a wide input voltage range and provides up to 1A constant output current, making it suitable for powering single or multiple LED configurations. Its hysteretic control architecture enables fast response, high efficiency, and excellent LED current regulation.
The AL8861WT-7 supports PWM dimming control, allowing flexible brightness adjustment for various lighting applications. Integrated protection features including over-temperature protection and LED open/short protection enhance system reliability.
With a compact SOT-23-5 surface-mount package, the device is ideal for space-constrained designs requiring efficient thermal performance and simplified PCB layouts.
The AL8861WT-7 is widely used in LED lighting systems, automotive lighting, LCD backlighting, portable lighting equipment, and industrial illumination applications.
Key Features
- Constant current buck LED driver
- Manufacturer: Diodes Incorporated
- Output current:
Up to 1A - Wide input voltage operation
- Hysteretic control architecture
- High efficiency LED driving
- PWM dimming support
- Fast transient response
- LED open/short protection
- Thermal shutdown protection
- Package:
SOT-23-5 - Suitable for LED lighting applications
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