FAN5092MTC Fairchild Semiconductor, FAN5092MTC Datasheet
FAN5092MTC
Specifications of FAN5092MTC
FAN5092MTC_NL
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FAN5092MTC Summary of contents
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... PHASE CLK CLK PHASE VFB Programmable Active Droop is a trademark of Fairchild Semiconductor. Description The FAN5092 is a synchronous multi-slice DC-DC controller IC which provides a highly accurate, programmable output voltage for all high-current applications. Two interleaved synchronous buck regulator phases with built-in current sharing operate 180 out of ...
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FAN5092 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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FAN5092 Recommended Operating Conditions Parameter Output Driver Supply, Boot V CC 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 ...
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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 BYPASS Capacitor PWRGD Threshold PWRGD Hysteresis PWRGD Output Voltage PWRGD Delay 12V UVLO ...
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FAN5092 Table 1. Output Voltage Programming Codes VID4 VID3 ...
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PRODUCT SPECIFICATION Internal Block Diagram 27 Master 2 Clock 23 PHASE - 6 CLK + 5-Bit Power DAC Good VID0 VID2 VID4 PWRGD VID1 VID3 REV. 1.0.7 6/20/02 BYPASS +12V ...
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FAN5092 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. 1.0.7 6/20/02 (Continued) GATE DRIVE RISE TIME TIME (50ns/DIVISION) ADAPTIVE GATE DELAY TIME (50ns/DIVISION) POWER GOOD ...
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FAN5092 Typical Operating Characteristics Droop vs Droop 180 160 140 120 100 Droop 10 (Continued) = 43K T 1.501 1.500 1.499 1.498 ...
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PRODUCT SPECIFICATION Application Circuit L1 (Optional) +12V +12V ENABLE/SS C1 PWRGD R1 + ...
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FAN5092 Table 1. FAN5092 Application Bill of Materials for Figure 1 Reference Manufacturer Part # Quantity C1, C3-5, C7 Panasonic ECU-V1H104ZFX C2, C6 Any C Rubycon IN 16ZL1000M C Sanyo OUT 4SP820M D1-3 Fairchild MBR0520 L1 Coiltronics DR127-1R5 L2-5 Coiltronics ...
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PRODUCT SPECIFICATION Application Information Operation The FAN5092 Controller The FAN5092 is a programmable synchronous multi-phase DC-DC controller IC. It can be run as a single controller, and a second FAN5092 can then be paralleled modularly for higher currents. When designed ...
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FAN5092 tant to connect the PGND and SW pins for each phase as a Kelvin trace pair directly to the source and drain, respec- tively, of the appropriate low-side MOSFET. Care is required in the layout of these grounds; see ...
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PRODUCT SPECIFICATION Oscillator The FAN5092 oscillator section runs at a frequency deter- mined by a resistor from the RT pin to ground according to the formula --------------------- - f Hz The oscillator generates two square waves, ...
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FAN5092 For details and a spreadsheet on MOSFET selection, refer to Applications Bulletin AB-8. Gate Resistors Use of a gate resistor on every MOSFET is mandatory. The gate resistor prevents high-frequency oscillations caused by the trace inductance ringing with the ...
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PRODUCT SPECIFICATION ESR. The only type of aluminum capacitor used should be those that have an ESR rated at 100kHz. Consult Application Bulletin AB-14 for detailed information on output capacitor selection. For higher frequency applications, particularly those running the FAN5092 ...
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FAN5092 PCB Layout Guidelines • Placement of the MOSFETs relative to the FAN5092 is critical. Place the MOSFETs such that the trace length of the HIDRV and LODRV pins of the FAN5092 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 FAN5092MTC 28 pin TSSOP FAN5092MTCX 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; ...