Product Features: High brightness LED driver with 5000:1 dimming function for practical applications. Supports a maximum output power of 72W (36V / 2A) with up to 1MHz switching frequency. Simple single-pin on/off and brightness control using either DC voltage or PWM. Inherent open LED protection ensures optimal operation with adjustable constant LED current, achieving up to 97% efficiency. Features high-end current detection for easy use in various applications. Specifications: Working Voltage: H-type DC 8-25V Output Current: 3A (Maximum Current: 4A by changing RCS Resistance) Maximum Output Power: 72W (36V / 2A) Current Regulation: Adjustable via resistance or PWM control Switching Frequency: Up to 1MHz Current Accuracy: Typical 5% output Intrinsic Open LED Protection: Supported Efficiency: Up to 97% Size: Approx. 45 x 21 x 16mm (1.77 x 0.83 x 0.63 inches) Package Includes: 1 x LD48AJTA 3A LED Driver Module