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FAN5037 Datasheet

Part Number FAN5037
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Adjustable Switching Regulator Controller
Datasheet FAN5037 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.

  FAN5037   FAN5037






Part Number FAN5038
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Dual Voltage Controller for DSP Power
Datasheet FAN5037 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.

  FAN5037   FAN5037







Part Number FAN5033
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Synchronous Buck Controller
Datasheet FAN5037 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.

  FAN5037   FAN5037







Part Number FAN5032
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description 8-Bit Programmable 2 to 4 Phase Synchronous Buck Controller
Datasheet FAN5037 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.

  FAN5037   FAN5037







Part Number FAN5031
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Synchronous Buck Controller
Datasheet FAN5037 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.

  FAN5037   FAN5037







Adjustable Switching Regulator Controller

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 applications. This controller has a built-in Soft Start feature which offers system protection during power-up by reducing both inrush current and output overshoot. When combined with the appropriate external circuitry, the FAN5037 can deliver load currents as high as 13A at efficiencies as high as 88%. The FAN5037 can generate output voltages from 1.2V up to 3.6V using external resistors. The FAN5037 is designed to operate in a constant on-time control mode under all load conditions. Its accurate low TC reference eliminates the need for precision external components in order to achieve the tight tolerance voltage regulation required by many applications. Short circuit current protection is provided through the use of a current sense resistor, while overvoltage protection is provided internally. Applications • • • • I/O and AGP power for desktop computers High efficiency power for ASICs High efficiency power for DSPs Adjustable step-down power supplies Block Diagram 5V VCCA 2 IFBL 4 +12V .


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