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FAN5038 Datasheet

Part Number FAN5038
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Dual Voltage Controller for DSP Power
Datasheet FAN5038 DatasheetFAN5038 Datasheet (PDF)

www.fairchildsemi.com FAN5038 Dual Voltage Controller for DSP Power Features • Provides complete, low-cost core and I/O power in single chip • I/O power sequencing • Core voltage adjustable from 1.5V to 3.6V • Independent adjustable current limits • Core up to 13A, I/O up to 5A • Precision trimmed low TC voltage reference • Constant On-Time oscillator • Small footprint 16 lead SOIC package Description The FAN5038 provides a complete low-cost power system for DSPs and other loads requiring high.

  FAN5038   FAN5038






Part Number FAN5037
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Adjustable Switching Regulator Controller
Datasheet FAN5038 DatasheetFAN5037 Datasheet (PDF)

www.fairchildsemi.com FAN5037 Adjustable Switching Regulator Controller Features • High power switch-mode DC-DC controller can provide in excess of 13A • Output voltage adjustable from 1.2V to 3.6V • 85% efficiency • Cumulative accuracy < 3% over line, load, and temperature variations • Overvoltage and short circuit protection • Built-in soft start • No overshoot at turn-on Description The FAN5037 is a high power, switch-mode DC-DC controller that provides efficient power for all low-voltage app.

  FAN5038   FAN5038







Part Number FAN5033
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Synchronous Buck Controller
Datasheet FAN5038 DatasheetFAN5033 Datasheet (PDF)

FAN5033 — 8-Bit Programmable 2- to 3-Phase Synchronous Buck Controller January 2007 FAN5033 8-Bit Programmable, 2- to 3-Phase, Synchronous Buck Controller Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ Selectable 2- or 3-phase operation at up to 1MHz per phase ±7.7mV worst-case differential sensing error over temperature Active current balancing between the output phases Power Good and Crowbar blanking supports on-the-fly VID code changes 0.5V to 1.6V output Fully compliant with the Intel® VR10 and VR11 specification.

  FAN5038   FAN5038







Part Number FAN5032
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description 8-Bit Programmable 2 to 4 Phase Synchronous Buck Controller
Datasheet FAN5038 DatasheetFAN5032 Datasheet (PDF)

FAN5032 8-Bit Programmable 2 to 4 Phase Synchronous Buck Controller April 2006 FAN5032 8-Bit Programmable 2 to 4 Phase Synchronous Buck Controller Features ■ Selectable 2, 3, or 4 phase operation at up to 1MHz ■ ■ ■ ■ ■ ■ ■ ■ Description The FAN5032 is a controller for a multi-phase buck switching regulator optimized to convert a 12V input supply to the processor core voltage required by highperformance Intel processors. It has an internal 8-bit digital to analog converter (DAC) that converts.

  FAN5038   FAN5038







Part Number FAN5031
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Synchronous Buck Controller
Datasheet FAN5038 DatasheetFAN5031 Datasheet (PDF)

FAN5031 8-Bit Programmable, 2 to 4 Phase, Synchronous Buck Controller www.DataSheet4U.com March 2006 FAN5031 8-Bit Programmable, 2 to 4 Phase, Synchronous Buck Controller Features ■ Selectable 2, 3, or 4 phase operation at up to 1MHz ■ ■ ■ ■ ■ ■ ■ ■ Description The FAN5031 device is a multi-phase buck switching regulator controller, that is 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 co.

  FAN5038   FAN5038







Dual Voltage Controller for DSP Power

www.fairchildsemi.com FAN5038 Dual Voltage Controller for DSP Power Features • Provides complete, low-cost core and I/O power in single chip • I/O power sequencing • Core voltage adjustable from 1.5V to 3.6V • Independent adjustable current limits • Core up to 13A, I/O up to 5A • Precision trimmed low TC voltage reference • Constant On-Time oscillator • Small footprint 16 lead SOIC package Description The FAN5038 provides a complete low-cost power system for DSPs and other loads requiring high-performance. The FAN5038 combines an adjustable switch-mode DC-DC converter for core power with a low-dropout linear regulator for I/O power in a space-saving SO-16 package. Simple external circuitry provides power sequencing and independent current limits. An internal precision voltage reference allows the switcher to be adjusted from 1.5V to 3.6V. With the appropriate external components, the FAN5038 can deliver core power up to 13A, and I/O power up to 5A, allowing multiple DSPs to be powered with a single device. Applications • High efficiency low-cost power for DSPs • Power for ASICs and FPGAs • Programmable dual power supply for high current loads Block Diagram +12V +5V Switching Regulator Switcher Select Oscillator Feedback Control Digital Logic Core Linear Enable Linear Regulator 1.5V Reference + – I/O FAN5038 REV. 1.0.2 7/6/00 FAN5038 PRODUCT SPECIFICATION Pin Assignments LIN_EN VREF IFBH IFBL FBSW VCCA VFBL GNDP 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 SWCTRL CEXT .


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