Controllers | NCP81251
概览
The NCP81251 is a single−phase synchronous buck regulator with integrated power MOSFETs to provide a high−efficiency and compact−footprint power management solution for VR12 embedded CPUs. The device is able to deliver up to 14 A TDC output current on an adjustable output with SVID interface. Operating in high switching frequency up to 1.2 MHz allows employing small size inductors and capacitors while maintaining high efficiency due to integrated solution with high performance power MOSFETs.Current−mode RPM control with feedforward from both input power supply and output voltage ensures stable operation over a wide operation condition.
- Integrated POL
- Ultrabook
- Notebook
- Server
- Microservers , Storage devices , Embedded CPU's
- 5V to 20V Input Voltage Range
- Adjustable Output Voltage with SVID Interface
- Integrated Gate Driver and Power MOSFETs
- 500kHz ~ 1.2MHz Switching Frequency
- Feedforward Operation for Input Supply Voltage and Output Voltage
- Overcurrent, Over/Undervoltage, and Thermal protection
- 5 V to 20 V Input Voltage Range
- 1.0 V/1.1 V Fixed Boot Voltage
- Adjustable Output Voltage with SVID Interface
- Up to 14 A TDC Output Current
- 500 kHz ~ 1.2 MHz Switching Frequency
- Current−Mode RPM Control
- Programmable SVID Address and ICCMax
- Programmable DVID Feed−Forward to Support Fast DVID
- Feedforward Operation for Input Supply Voltage and Output Voltage
- Output Over−Voltage and Under−Voltage Protections
- External Current Limitation Programming with Inductor Current Sense
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