型號：MP4688DN-LF-Z
廠家：MPS（美國芯源）
封裝：SOP-8
批號：11+
應用：球泡燈、射燈、筒燈
MP4688是一個 80V Input , 1A High Power 的LED驅動，其具體規格如下：
Description:
The MP4688 is a high voltage input step-down switching regulator to deliver a constant current of up to 1A to high power LEDs. It integrates a high-side high voltage power MOSFET with a current limit of 3.2A (tical value). The wide 4.5V to 80V input range accommodates a variety of step-down applications, making it ideal for automotive, industry and general lighting applications. Hysteresis current mode control is applied for very fast response, which makes the 20kHz dimming frequency possible. MPS’s proprietary feedback control scheme minimizes the number of external components while delivering a LED current with tical &plun;5% accuracy.