Features

• AEC-Q100 (Grade 1)

• Wide Input Voltage Range from 4.7V to 85V

• Pre-Fixed 400kHz Switching Frequency (Factory Set)

• Spread Spectrum Frequency Modulation for Low EMI

• Analog Dimming Range: 1% to 100%

▪ 100% Dimming Level ±3% Current Accuracy

▪ 20% Dimming Level ±12% Current Accuracy

• PWM Dimming Ratio 100:1 at 200Hz PWM Frequency

• Programmable Soft Start

• Fault Status Indicator for Protections

• Output Overvoltage and LED Open Circuit Protection

• Output Undervoltage and LED Short Circuit Protection

• Cycle-by-Cycle Overcurrent Limitation Protection

• Sense Resistor Shorted Circuit Protection

• Diode/Inductor Shorted Circuit Protection

• Diode Open Circuit Protection

• Thermal Shutdown

• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. “Green” Device (Note 3)

• The AL8866Q is suitable for automotive applications

requiring specific change control; this part is AEC-Q100

qualified, PPAP capable, and manufactured in IATF 16949

certified facilities.

https://www.diodes.com/quality/product-definitions/

Applications

• Automotive front lightings

• Automotive high beams, low beams

• Automotive daytime running lights

• Automotive fog lights, turn lights and position lights

• Other automotive LED lightings