NCP81242 Datasheet - ON Semiconductor

NCP81242 Single-Phase Voltage Regulator

Pin Name Type 1 VRHOT# Logic Output 2 SDIO Logic Bidirectional 3 ALERT# Logic Output 4 SCLK Logic Input 5, 32, 49 GND Analog Ground 6 VRRDY Logic Output 7, 11 *17, 50 VIN Power Input 8 BST Power Bidirectional 9 GH Analog Output 10 SW Power Return 18, 25 *29, 51 19

NCP81242 Voltage Regulator, Single-Phase, SVID Interface for Computing Apps High Switching Frequency, High Efficiency, Integrated Power MOSFETs The NCP81242, a single phase synchronous buck regulator, integrates power MOSFETs to provide a high efficiency and compact footprint power management solution for new generation computing 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 freq.

NCP81242 Features

* Meets Intel® Server Specifications

* 5 V to 20 V Input Voltage Range

* 1.0 V/1.5 V Fixed Boot Voltage

* Adjustable Output Voltage with SVID Interface

* Integrated Gate Driver and Power MOSFETs

* Up to 14 A TDC Output Current

* 500 kHz ~ 1.2 M

NCP81242-ONSemiconductor.pdf