FAN5094MTC Fairchild Semiconductor, FAN5094MTC Datasheet
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FAN5094MTC
Specifications of FAN5094MTC
FAN5094MTC_NL
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FAN5094MTC Summary of contents
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... PHASE CLK CLK PHASE VFB Pentium is a registered trademark of Intel Corporation. Athlon is a registered trademark of AMD. Programmable Active Droop is a trademark of Fairchild Semiconductor. Description The FAN5094 is a synchronous multi-phase DC-DC controller IC which provides a highly accurate, programmable output voltage for all high-performance processors ...
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FAN5094 Pin Assignments VID0 VID1 VID2 VID3 VID4 BYPASS AGND LDRVB GNDB ISNSB SWB HDRVB BOOTB Pin Definitions Pin Number Pin Name 1-5 VID0-4 6 CLK 7 BYPASS 8 AGND 9 LDRVB 10 GNDB 11 ISNSB 12 SWB 13 HDRVB ...
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PRODUCT SPECIFICATION Pin Definitions (continued) Pin Number Pin Name 19 GNDA 20 LDRVA 21 VCC 22 PWRGD 23 PHASE 24 ISHR 25 DROOP/E* 26 ENABLE/ VFB Absolute Maximum Ratings Parameter Supply Voltage VCC Supply Voltages BOOTA, BOOTB ...
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FAN5094 Recommended Operating Conditions Parameter Output Driver Supply, Boot VCC Input Logic HIGH Input Logic LOW Ambient Operating Temperature Electrical Specifications (V = 12V 1.500V, and T CC OUT A The denotes specifications which apply over the full ...
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PRODUCT SPECIFICATION Electrical Specifications (V = 12V 1.500V, and T CC OUT A The denotes specifications which apply over the full operating temperature range. Parameter PWRGD Threshold PWRGD Hysteresis PWRGD Output Voltage PWRGD Delay 12V UVLO UVLO Hysteresis ...
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FAN5094 Table 1. Output Voltage Programming Codes VID4 VID3 ...
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PRODUCT SPECIFICATION Internal Block Diagram 27 Master f/2 2 Clock f/2 23 PHASE - 6 CLK + 5-Bit Power DAC Good VID2 VID4 VID0 PWRGD VID1 VID3 REV. 1.0.2 5/13/02 +12V BYPASS 7 ...
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FAN5094 Typical Operating Characteristics (V = 12V, and T = +25°C using circuit in Figure 1 , unless otherwise noted TRANSIENT RESPONSE, 50A to 0.5A ...
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PRODUCT SPECIFICATION Typical Operating Characteristics OUTPUT RIPPLE VOLTAGE TIME (1 s/DIVISION) GATE DRIVE FALL TIME TIME (10ns/DIVISION) CURRENT SHARING BETWEEN INDUCTORS TIME (500ns/DIVISION) REV. 1.0.2 5/13/02 (Continued) GATE DRIVE RISE TIME TIME (50ns/DIVISION) ADAPTIVE GATE DELAY TIME (50ns/DIVISION) POWER GOOD ...
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FAN5094 Typical Operating Characteristics Droop vs. R Droop , RT = 43K 180 160 140 120 100 Droop 10 (Continued) 1.501 1.500 1.499 1.498 1.497 ...
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PRODUCT SPECIFICATION Application Circuit L1 (Optional) +12V +12V C IN VID4 VID3 VID2 VID1 VID0 ENABLE/SS C1 PWRGD R1 + ...
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FAN5094 Table 2. FAN5094 Application Bill of Materials for Figure 1 Manufacturer Reference Part # C1, C3-5, C7 Panasonic ECU-V1H104ZFX C2, C6 Any C Rubycon IN 16MBZ1500M C Rubycon OUT 6.3MBZ2200M D1-3 Fairchild MBR0520 L1 Coiltronics DR127-1R5 L2-4 Coiltronics DR127-R47 ...
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PRODUCT SPECIFICATION L1 (Optional) +12V +12V C IN VID4 VID3 VID2 VID1 VID0 ENABLE/SS C1 PWRGD R1 + ...
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FAN5094 Table 3. FAN5094 Application Bill of Materials for Figure 2 Reference Manufacturer Part # C1, C3-5, C7 Panasonic ECU-V1H104ZFX C2, C6 Any C Rubycon IN 16MBZ1500M C Rubycon OUT 6.3MBZ2200M D1-3 Fairchild MBR0520 L1 Coiltronics DR127-1R5 L2-5 Coiltronics DR127-R47 ...
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PRODUCT SPECIFICATION Application Information Operation The FAN5094 Controller The FAN5094 is a programmable synchronous multi-phase DC-DC controller IC. When designed around the appropriate external components, the FAN5094 can be configured to deliver more than 100A of output current, as appropriate ...
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FAN5094 tively, of the appropriate low-side MOSFET. Care is required in the layout of these grounds; see the layout guidelines in this datasheet. Current Sharing The two independent current sensors of the FAN5094 operate with their independent current control loops ...
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PRODUCT SPECIFICATION Output Enable/Soft Start (ENABLE/SS) The FAN5094 will accept an open collector/TTL signal for controlling the output voltage. The low state disables the output voltage. When disabled, the PWRGD output is in the low state. Even if an enable ...
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FAN5094 For the high-side MOSFET, the gate charge is as important as the on-resistance, especially with a 12V input and with higher switching frequencies. This is because the speed of the transition greatly affects the power dissipation. It may be ...
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PRODUCT SPECIFICATION voltage of the MOSFET’s body diode. Power capability is not a criterion for this device, as its dissipation is very small. Output Filter Capacitors The output bulk capacitors of a converter help determine its output ripple voltage and ...
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FAN5094 PCB Layout Guidelines • Placement of the MOSFETs relative to the FAN5094 is critical. Place the MOSFETs such that the trace length of the HIDRV and LODRV pins of the FAN5094 to the FET gates is minimized. A long ...
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PRODUCT SPECIFICATION Mechanical Dimension 28 Lead TSSOP Inches Millimeters Symbol Min. Max. Min. A — .047 — A1 .002 .006 0.05 B .007 .012 0.19 C .008 .013 0.09 D .378 .386 9.60 E .172 .180 4.30 e .026 BSC ...
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... Ordering Information Product Number Package FAN5094MTC 28 pin TSSOP FAN5094MTCX Tape & Reel 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; ...