{"product_id":"pt4115b89e-constant-current-step-down-led-driver-c84512-sot89-5","title":"PT4115B89E Constant Current Step-Down LED Driver (C84512, SOT89-5)","description":"\u003cp\u003ePower your high-brightness LEDs safely and efficiently with the \u003cb\u003ePT4115B89E\u003c\/b\u003e continuous-mode inductive step-down converter. Unlike standard voltage regulators, this dedicated LED driver provides a strict constant current output, protecting your high-power LEDs from thermal runaway and ensuring consistent brightness regardless of voltage fluctuations.\u003c\/p\u003e\n\u003cp\u003eOperating from a wide input voltage range of 6V to 30V, it can deliver up to 1.2A of output current, making it perfect for custom drone navigation lights, RC car headlights, or DIY lighting arrays. It features a dedicated DIM pin that allows for both DC voltage and PWM dimming, giving you total control over the brightness levels via a microcontroller. Housed in a thermally efficient SOT89-5 package, it keeps your lighting circuits compact, cool, and highly reliable.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eConstant Current Output:\u003c\/b\u003e Specifically designed to safely drive single or multiple series-connected high-power LEDs without flickering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWide Input Voltage:\u003c\/b\u003e Operates seamlessly from 6V up to 30V, making it highly compatible with 2S to 6S LiPo battery setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVersatile Dimming:\u003c\/b\u003e Supports both PWM and DC voltage dimming via a single control pin for smooth brightness adjustments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh Efficiency:\u003c\/b\u003e Switching step-down topology ensures up to 97% efficiency, minimizing heat generation on small PCBs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePart Number:\u003c\/b\u003e PT4115B89E (LCSC: C84512)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIC Type:\u003c\/b\u003e Step-Down (Buck) LED Driver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eInput Voltage Range:\u003c\/b\u003e 6V – 30V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMax Output Current:\u003c\/b\u003e Up to 1.2A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDimming Control:\u003c\/b\u003e PWM \/ DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePackage Type:\u003c\/b\u003e SOT89-5 (SMD\/SMT)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RC-LIFE","offers":[{"title":"Default Title","offer_id":54258224890194,"sku":null,"price":1.0,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1065\/8067\/2850\/files\/f_28147.jpg?v=1786692070","url":"https:\/\/rc-life.com\/pl\/products\/pt4115b89e-constant-current-step-down-led-driver-c84512-sot89-5","provider":"rc-life","version":"1.0","type":"link"}