Features
• Qualified to AEC-Q100 Grade 1
• Wide Input Voltage Range: 4.5V to 40V
• Output Current up to 3A
• Internal 40V NDMOS Switch
• Typical 4% Output Current Accuracy
• Single Pin for On/Off and Brightness Control by DC Voltage or
PWM Signal
• Recommended Analog Dimming Range: 10% to 100%
• Soft-Start
• High Efficiency (Up to 97%)
• LED Short Protection
• Inherent Open-Circuit LED Protection
• Over Temperature Protection (OTP)
• Up to 1MHz Switching Frequency
• SO-8EP Package Available in Green Molding Compound (No Br,
Sb)
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
• The AL8843Q suitable for automotive applications requiring
specific change control; this part is AEC-Q100 qualified,
PPAP capable, and manufactured in IATF 16949 certified
facilities.

Applications
• Automotive Daytime Running Lights
• Automotive Front and Rear Fog Lights
• Automotive Turn/Stop Lights
• Automotive Dimmable Interior Lights