The PT4119E89E is a SOT-89-5 RoHS compliant LED driver manufactured by CR-PowTech. This component is an ultra-high efficiency boost LED driver IC with low drop-out voltage. It is suitable for use in white LEDs applications and runs on low voltage input (2V-5V). It can drive up to 8 LEDs connected in parallel and offers a wide range of application options. The PT4119E89E is optimized for long run-time, low standby current, and a wide input voltage range. This driver also includes over-voltage, under-voltage, and current limit protections, making it extremely reliable for driving LEDs.