The PT4115 is a high-efficiency step-down (buck) constant current LED driver IC capable of driving up to 1.2A of LED current from input voltages up to 30V. It integrates a high-side current sense circuit and supports wide-range dimming control using PWM or analog signals.
Housed in a compact SOT-89-5 package, the PT4115 is ideal for driving high-brightness LEDs in applications such as LED lighting, signage, backlighting, and general illumination. With built-in thermal protection, under-voltage lockout, and open-load protection, it provides a robust and reliable solution for constant current LED driving.
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