Details

---

BUY AR1540-AL3C https://www.utsource.net/itm/p/6439818.html

Parameter	Description	Value
Part Number	Full part identification	AR1540-AL3C
Type	Device type	Automotive Grade LED Driver
Input Voltage	Operating voltage range	4.5V to 42V
Output Current	Maximum output current	150mA
Package	Physical package type	SOIC-8
Operating Temp.	Temperature range for operation	-40°C to +125°C
Efficiency	Typical efficiency at nominal conditions	Up to 90%
Protection	Built-in protection features	Overvoltage, Overcurrent, Thermal Shutdown
Applications	Common applications	Automotive interior lighting, Signal lamps

Instructions:

1. Power Supply Connection: Ensure the input voltage is within the specified range of 4.5V to 42V.
2. Output Configuration: Connect the load (LEDs) to the output terminals ensuring the total forward current does not exceed 150mA.
3. Thermal Management: For optimal performance and longevity, ensure adequate heat dissipation especially when operating near the maximum temperature of +125°C.
4. Protection Features: The device includes overvoltage, overcurrent, and thermal shutdown protections. These are designed to safeguard the driver under abnormal conditions but should not be relied upon as a substitute for proper circuit design.
5. Mounting: Use appropriate PCB layout guidelines to mount the SOIC-8 package, ensuring reliable electrical connections and thermal performance.

(For reference only)