General Description
The APW7120A is a f ixed 300kHz frequency , voltage mode, and synchronous PWM controller . The device drives two low cost N-channel MOSFET s and i s designed to work with single 5~12V or two supply voltage(s), providing excellent regulation for load transients.
FEATUREs
• Operating with Single 5~12V Supply V oltage or Two Supply Voltages
• Drive Dual Low Cost N-Channel MOSFETs
- Adaptive Shoot-Through Protection
• Built-in Feedback Compensation
- Voltage-Mode PWM Control
- 0~100% Duty Ratio
- Fast Transient Response
• ±2% 0.8V Reference
- Over Line, Load Regulation, and Operating Temperature
• Programmable Over-Current Protection
- Using RDS(ON) of Low-Side MOSFET
• Hiccup-Mode Under-Voltage Protection
• 118% Over-Voltage Protection
• Adjustable Output Voltage
• Small Converter Size
- 300kHz Constant Switching Frequency
- Small SOP-8 Package
• Built-In Digital Soft-Start
• Shutdown Control Using an External MOSFET
• Lead Free and Green Devices Available(RoHS Compliant)
Applications
• Motherboard
• Graphics Card
• High Current, Up to 20A, DC-DC Converters