Monolithic Power Systems, Inc. LED Drivers MP1518DG-LF-P

The MP1518DG-LF-P is a step-up LED driver designed to drive up to six series white LEDs from a single lithium-ion battery. It operates with a fixed frequency architecture, achieving efficiencies of up to 87% with a switching frequency exceeding 1 MHz. The device features a low feedback voltage of 104 mV, which minimizes power loss and enhances efficiency. Key protective features include under-voltage lockout, thermal shutdown, and current limiting, ensuring safe operation under various conditions. The MP1518DG-LF-P is available in a compact 8-pin QFN package measuring 2mm x 2mm, making it suitable for space-constrained applications such as cell phones, handheld computers, digital cameras, and small LCD displays. The device supports soft-start and PWM dimming, providing flexibility in LED brightness control. It also includes an open load shutdown feature that turns off the converter in the event of an over-voltage condition. Overall, the MP1518DG-LF-P is a robust solution for applications requiring efficient LED driving capabilities.