Catalog
55V Three-Channel PWM Linear LED Driver
Key Features
• AEC-Q100 (Grade 1) Qualified
• Wide Input-Voltage Range from 6.5V to 55V
-40°C to +125°C Ambient Temperature Operation Range
• ±4% LED Current Tolerance @125mA
• Independent PWM Dimming Control for Each Channel
• Three External Ref Pins to Set LED Current for Each Channel
• Enter and Exit Standby Power-Saving Mode Automatically
• Support Fast 40kHz PWM Dimming
• Robust Protections: Undervoltage Lockout (UVLO), Overvoltage Protection (OVP), LED String Open Protection (LED Open)
• Overtemperature Protection (OTP): Thermal Foldback, Thermal Shutdown, and Automatic Thermal Recovery
• Fault Reporting: UVLO, OTP, LED Open and Short
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. "Green" Device (Note 3)
• The AL1783Q 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/
Description
AI
The AL1783Q is an automotive grade three-channel PWM linear LED driver with independent PWM dimming and current setting controls for each channel. The device is designed to target automotive LED lighting applications.