NCP81278 Datasheet (ON Semiconductor) - Compact 2-Phase Synchronous Buck Controller

NCP81278, Compact 2-Phase Synchronous Buck Controller

Pin Name 1 BST1 2 HG1 3 EN 4 PSI 5 VID 6 VIDBUF 7 REFIN 8 VREF 9 FS 10 FBRTN 11 FB 12 COMP/ILMT 13 PGOOD 14 HG2 15 BST2 16 PH2 17 LG2 18 PVCC 19 LG1 20 PH1 21 THERM/GND Type Analog Power Analog Output Logic Input Logic Input Logic Input Analog Output Analog Input Analog Output Analog Input Analog I

NCP81278 Compact 2-Phase Synchronous Buck Controller with Integrated Gate Drivers and PWM VID Interface The NCP81278, a general purpose two phase synchronous buck controller, integrates gate drivers and PWM VID interface in a QFN 20 package and provides a compact footprint power management solution for new generation computing processors.

It has a programmable power save interface (PSI) and is able to operate in 1 phase diode emulation mode to obtain high

NCP81278 Features

* 3.6 V to 24 V Input Voltage Range

* Output Voltage up to 2.0 V with PWM VID Interface

* Differential Output Voltage Sense

* Integrated Gate Drivers

* 200 kHz ~ 800 kHz Switching Frequency

* Power Saving Interface (PSI)

* Support both 3.3 V an