8-bit Programmable 2 To 3-phase Synchronous Buck Controller

The FAN5033 device is a multi-phase buck Switching Regulator controller optimized to convert a 12V input supply to the processor core voltage required by high performance Intel processors. It has an internal 8-bit DAC that converts a digital voltage identification (VID) code, sent from the processor, to set the output voltage between 0.5V and 1.6V in 6.25mV steps. It outputs PWM signals to external MOSFET drivers that drive the switching Power MOSFETs The switching frequency of the design is programmable by a single resistor value. The number of phases CAN be programmed to support two- or three-phase applications.
The FAN5033 also includes programmable no-load offset and droop functions to adjust the output voltage as a function of the load current, as required by the Intel specifications. The FAN5033 provides an accurate and reliable short-circuit protection function with an adjustable over-current set point.
The FAN5033 is specified over the commercial temperature range of 0C to +85C and is available in a 32-lead MLP package.
By Fairchild Semiconductor
FAN5033 's PackagesFAN5033 's pdf datasheet

FAN5033 Pinout, Pinouts
FAN5033 pinout,Pin out
This is one package pinout of FAN5033,If you need more pinouts please download FAN5033's pdf datasheet.

FAN5033 Application circuits
FAN5033 circuits
This is one application circuit of FAN5033,If you need more circuits,please download FAN5033's pdf datasheet.

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