特性 Features

- Wide Input Voltage Range from 5V to 55V

- Up to 750mA Output Current Capacity

- Low Drop-out Voltage on LED Pin

- Output Current Adjustable by a Low Power External Reference Resistor

- PWM and Analog Dimming with Excellent Linearity

- Automatically Enter and Exit Standby Mode Without Enable Pin

- Internal Protections:

- Input Under Voltage Lock-out (UVLO)

- Enable LED String Open Protection

- LED String Short Protection

- Over Temperature Protection (OTP)

- Diagnostic Enable with Adjustable Threshold for Low-Dropout Operation

- Thermal Fold-Back if Chip Temperature Exceeds the Threshold

- Fault Reporting: UVLO, OTP, LED Open, and LED Short

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

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

- The AL5871Q is suitable for automotive applications

requiring specific change control; this part is AEC-Q100

qualified, PPAP capable, and manufactured in IATF16949

certified facilities.

Applications

- Automotive interior lighting: dome light, reading lamps

- Automotive exterior lighting:

- Small light: blind-spot detection indicators, charging inlets, door handles

- Rear light: rear lamps, center high mounted stop lamps, side markers