NCP81151B VR12.5 Compatible MOSFET Driver onsemi NCP81151B VR12.5 Compatible Dual MOSFET Driver provides an optimized solution to drive the gates of low and high-side power MOSFETs in a synchronous buck converter. onsemi NCP81151 Dual MOSFET Driver can drive up to 3nF load with a 25ns propagation delay and 20ns transition time.