General Description
The RT9214 is a high efficiency synchronous buck PWM controllers that generate logic-supply voltages in PC based systems. These high performance , single output devices include internal soft-start, frequency compensation networks and integrates all of the control, output adjustment, monitoring and protection functions into a single package.

FEATUREs
Operating with 5V or 12V Supply Voltage
Drives All Low Cost N-Channel MOSFETs
Voltage Mode PWM Control
300kHz Fixed Frequency Oscillator
Fast Transient Response :
  High-Speed GM Amplifier
  Full 0 to 100% Duty Ratio
Internal Soft-Start
Adaptive Non-Overlapping Gate Driver
Over-Current Fault Monitor on MOSFET, No Current Sense Resistor Required
RoHS Compliant and 100% Lead (Pb)-Free