Click to expand full text
APW8731C
Dual-Phase COT Buck PWM Controller
Features
Support Wide Input Voltage Range from 5.4V to 24V
VCC Support Range from 4.5V to 5.5V
Integrated High-side MOSFET Driver with Integrated Bootstrap P-CHMOSFET
Drive N-CH MOSFET with built in Adaptive Dead Time Control Scheme
Support Single-PFM, Two Phase PWM, and Ultra -sonic PFM mode
PWM Switching Frequency 500KHz ~700KHz by FSpin
Built in Constant On Time PWM Control with Current Balance Operation
Support Single and Two Phase PWM Control by LGATE2 & PSI Voltage Setting
Built in Adjustable Over Current Protection by LGATE1 Setting.