MP4432
DESCRIPTION
The MP4432 is a synchronous, step-down, switching regulator with programmable frequency (350k Hz to 2.5MHz) and integrated, internal, high-side and low-side power MOSFETs. The MP4432 provides up to 2.2A of highly efficient output current with current mode control for fast loop response.
The wide 3.3V to 36V input range acmodates a variety of step-down applications in automotive input environments. The MP4432 is ideal for battery-powered applications due to its extremely low quiescent current.
The MP4432 employs advanced asynchronous mode (AAM) to achieve high efficiency in lightload condition by scaling down the switching frequency to reduce switching and gate driving losses.
Standard features include soft start, external clock synchronization, enable control, and power good indication. High-duty cycle and low dropout mode are provided for automotive coldcrank.
Over-current protection (OCP) with valleycurrent detection is employed to prevent the inductor current from...
