Diodes Incorporated AL8860 40V 1.5A Buck LED Driver
Diodes Incorporated AL8860 40V 1.5A Buck LED Driver is a hysteresis mode DC/DC step-down converter designed for driving single or multiple series connected LEDs. The device has a wide input voltage range of 4.5V to 40V. The driver provides an externally adjustable output current up to 1A for the TSOT25 package and 1.5A for the MSOP-8EP package. The converter can provide up to 40 watts of output power depending upon supply voltage and external components.
Features
- Low BOM counts
- 4.5V to 40V wide input voltage range
- Output current up to 1.5A
- Internal 40V NDMOS switch
- Typical 5% output current accuracy
- Single pin for On/Off and brightness control by DC voltage or PWM signal
- 5% to 100% recommended analog dimming range
- Soft-start
- High efficiency (up to 97%)
- LED short protection
- Inherent open-circuit LED protection
- Over Temperature Protection (OTP)
- Up to 1MHz switching frequency
- Pb-free TSOT25 and MSOP-8EP packages
Applications
- LED retrofit for low voltage halogen
- Low voltage industrial lighting
- Illuminated signs
- External driver with multiple channels
Functional Block Diagram
Published: 2016-11-08
| Updated: 2022-03-11