FAN5059M

FAN5059M Datasheet

FAN5059

Part	Datasheet
FAN5059M	FAN5059M (pdf)

Related Parts	Information
FAN5059MX	FAN5059MX

PDF Datasheet Preview
FAN5059 High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms • Programmable output for Vcore from 1.3V to 3.5V using an integrated 5-bit DAC • Controls adjustable linears for Vagp selectable 1.5V/3.3V , Vclock 2.5V , and Vtt 1.5V or Vnorthbridge 1.8V • Meets VRM with as few as 5 capacitors • Meets 1.550V +40/-70mV over initial tolerance, temperature and transients • Remote sense • Programmable Active Droop Voltage Positioning • Drives N-Channel MOSFETs • Overcurrent protection using MOSFET sensing • 85% typical at full load • Integrated Power Good and Enable/Soft Start functions • 24 pin SOIC package Block Diagram • Power supply for III Camino Platform • Power supply for Pentium III Whitney Platform • VRM for Pentium III processor • Programmable multi-output power supply The FAN5059 is a synchronous mode DC-DC controller IC which provides a highly accurate, programmable set of output voltages for multi-voltage platforms such as the Intel Camino, and provides a complete solution for the Intel Whitney and other high-performance processors. The FAN5059 features remote voltage sensing, independently adjustable current limit, and a proprietary Programmable Active Droop for optimal converter transient response. The FAN5059 uses a 5-bit D/A converter to program the output voltage from 1.3V to 3.5V. The FAN5059 uses a high level of integration to deliver load +3.3V 9 10 +1.5V 11 VCCP + - 12 +2.5V PWRGD, OCL PWRGD, OCL +5V VCCA 21 13 3.3/1.5V PWRGD, OCL 5-Bit DAC 1.24V Reference 8 765 4 VID0VID2 VID4 VID1 VID3 3 GNDA Digital Control 16 ENABLE/SS Power Good 19 RD +12V +5V 18 RS 20 24 VCCP 1 HIDRV 23 LODRV 22 GNDP 17 PWRGD Pentium is a registered trademark of Intel Corporation. Programmable Active Droop is a trademark of Fairchild Semiconductor. FAN5059 PRODUCT SPECIFICATION currents in excess of 16A from a 5V source with minimal external circuitry. Synchronous-mode operation offers optimum over the entire output voltage range. An on-board precision low TC reference achieves tight tolerance voltage regulation without expensive external components, while Programmable Active Droop permits exact tailoring of voltage for the most demanding load transients. The FAN5059 includes linear regulator controllers for Vtt termination 1.5V , Vclock 2.5V , and Vnorthbridge 1.8V or Vagp selectable 1.5V/3.3V , each adjustable with an external divider. The FAN5059 also offers integrated functions including Power Good, Output Enable/Soft Start and current limiting, and is available in a 24 pin SOIC package. Pin Assignments Ordering Information Product Number FAN5059M Package 24 pin SOIC PRODUCT SPECIFICATION DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, or c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. 8/14/03 0.0m 012 Stock#DS30005059 2000 Fairchild Semiconductor Corporation

PDF Datasheet Preview

FAN5059

High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms
• Programmable output for Vcore from 1.3V to 3.5V using an integrated 5-bit DAC
• Controls adjustable linears for Vagp selectable 1.5V/3.3V , Vclock 2.5V , and Vtt 1.5V or Vnorthbridge 1.8V
• Meets VRM with as few as 5 capacitors
• Meets 1.550V +40/-70mV over initial tolerance,
temperature and transients
• Remote sense
• Programmable Active Droop Voltage Positioning
• Drives N-Channel MOSFETs
• Overcurrent protection using MOSFET sensing
• 85% typical at full load
• Integrated Power Good and Enable/Soft Start functions
• 24 pin SOIC package

Block Diagram
• Power supply for III Camino Platform
• Power supply for Pentium III Whitney Platform
• VRM for Pentium III processor
• Programmable multi-output power supply

The FAN5059 is a synchronous mode DC-DC controller IC which provides a highly accurate, programmable set of output voltages for multi-voltage platforms such as the Intel Camino, and provides a complete solution for the Intel Whitney and other high-performance processors. The FAN5059 features remote voltage sensing, independently adjustable current limit, and a proprietary Programmable Active Droop for optimal converter transient response. The FAN5059 uses a 5-bit D/A converter to program the output voltage from 1.3V to 3.5V. The FAN5059 uses a high level of integration to deliver load
+3.3V
9 10 +1.5V 11

VCCP + -
12 +2.5V

PWRGD, OCL

PWRGD, OCL
+5V VCCA 21
13 3.3/1.5V

PWRGD, OCL
5-Bit DAC
1.24V Reference
8 765 4

VID0VID2 VID4 VID1 VID3
3 GNDA

Digital Control
16 ENABLE/SS

Power Good
19 RD
+12V +5V
18 RS
20 24 VCCP 1 HIDRV
23 LODRV 22

GNDP 17

PWRGD

Pentium is a registered trademark of Intel Corporation. Programmable Active Droop is a trademark of Fairchild Semiconductor.

FAN5059

PRODUCT SPECIFICATION
currents in excess of 16A from a 5V source with minimal external circuitry. Synchronous-mode operation offers optimum over the entire output voltage range. An on-board precision low TC reference achieves tight tolerance voltage regulation without expensive external components, while Programmable Active Droop permits exact tailoring of voltage for the most demanding load transients. The FAN5059 includes linear regulator controllers for Vtt termination 1.5V , Vclock 2.5V , and Vnorthbridge 1.8V or Vagp selectable 1.5V/3.3V , each adjustable with an external divider. The FAN5059 also offers integrated functions including Power Good, Output Enable/Soft Start and current limiting, and is available in a 24 pin SOIC package.

Pin Assignments
Ordering Information

Product Number FAN5059M

Package 24 pin SOIC

PRODUCT SPECIFICATION

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:

Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, or c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.

A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
8/14/03 0.0m 012 Stock#DS30005059 2000 Fairchild Semiconductor Corporation

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Datasheet ID: FAN5059M 513907