FAN5093MTCX Fairchild Semiconductor, FAN5093MTCX Datasheet
FAN5093MTCX
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FAN5093MTCX Summary of contents
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... VID4 PWRGD VID1 VID3 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 FAN5093 is a synchronous two-phase DC-DC controller IC which provides a highly accurate, programmable output voltage for VRM 9.x processors. Two interleaved synchro- nous buck regulator phases with built-in current sharing operate 180° ...
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FAN5093 Pin Assignments VID0 VID1 VID2 VID3 VID4 BYPASS AGND LDRVB PGNDB SWB HDRVB BOOTB Pin Definitions Pin Number Pin Name Pin Function Description 1-5 VID0-4 Voltage Identification Code Inputs. Open collector/TTL compatible inputs will program the output voltage over ...
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PRODUCT SPECIFICATION Pin Number Pin Name Pin Function Description 20 ILIM Current Limit. A resistor from this pin to ground sets the over current trip level. 21 DROOP/E* Droop Control/Energy Star Mode Control. A resistor from this pin to ground ...
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FAN5093 Electrical Specifications (V = 12V, VID = [01111] = 1.475V, and T CC The denotes specifications which apply over the full operating temperature range. Parameter Input Supply UVLO Hysteresis 12V UVLO 12V Supply Current Internal Voltage Regulator BYPASS Voltage ...
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PRODUCT SPECIFICATION Gate Drive Test Circuit V 3000pF Table 1. Output Voltage Programming Codes VID4 VID3 ...
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FAN5093 Typical Operating Characteristics (V = 12V 1.475V, and T CC OUT A EFFICIENCY VS. OUTPUT CURRENT 90 E* Mode LOAD CURRENT (A) HIGH-SIDE GATE DRIVES, NORMAL OPERATION ...
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PRODUCT SPECIFICATION Typical Operating Characteristics DYNAMIC VID CHANGE CH1: V (1.475V-1.575V) OUT CH2: VID2 40A Load CURRENT SHARING, 30A LOAD CH1: I (5A/div) L1 CH2: I (5A/div) L2 CURRENT LIMIT CH1: Iin CH2: Vout REV. 1.1.0 3/27/03 (Continued) OUTPUT RIPPLE, ...
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FAN5093 Typical Operating Characteristics START-UP, 40A LOAD CH1: Vout CH2: Vin LOAD TRANSIENT, 0-40A CH1: Iout (20A/div) CH2: Vout CLOSED LOOP RESPONSE, 40A LOAD 50 40 Phase Margin 30 20 Gain 10 0 -10 100 1000 10000 FREQUENCY (HZ) 8 ...
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PRODUCT SPECIFICATION Application Circuit +12V +5V R10 FAN5093 R11 18 VCC PWRGD 5 VID4 VID4 4 VID3 VID3 3 VID2 VID2 2 VID1 VID1 1 VID0 VID0 ENABLE/SS 21 DROOP/ R13 ...
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FAN5093 Application Information Operation The FAN5093 Controller The FAN5093 is a programmable synchronous two-phase DC-DC controller IC. When designed with the appropriate external components, the FAN5093 can be configured to deliver more than 50A of output current, for VRM 9.x ...
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PRODUCT SPECIFICATION Adaptive Delay Gate Drive The FAN5093 embodies an advanced design that ensures minimum MOSFET transition times while eliminating shoot-through current. It senses the state of the MOSFETs and adjusts the gate drive adaptively to ensure that they are ...
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FAN5093 10K 2N3906 1K 10K 2N3904 HI=E*MODE 10K Figure 3. Implementing E*-mode Control Note: The charge pump for the HIDRVs should be based on the “B” phase of the FAN5093, since the “A” phase is off in E*-mode. Internal Voltage ...
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PRODUCT SPECIFICATION the VFB pin exceeds 2.2V, an over-voltage condition is assumed and the FAN5093 latches on the external low-side MOSFET and latches off the high-side MOSFET. The DC-DC converter returns to normal operation only after V has been recycled. ...
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FAN5093 the Schottky at the output current should be less than the for- ward 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 ...
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PRODUCT SPECIFICATION PC Motherboard Sample Layout and Gerber File A reference design for motherboard implementation of the FAN5093 along with the PCAD layout Gerber file and silk screen can be obtained through your local Fairchild repre- sentative. FAN5093 Evaluation Board ...
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FAN5093 Mechanical Dimensions – 24 Lead TSSOP Inches Millimeters Symbol Min. Max. Min. A — .047 — A1 .002 .006 0.05 B .007 0.19 .012 C .004 .008 0.09 D .303 .316 7.70 E .169 .177 4.30 e .026 BSC ...
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... Ordering Information Product Number Description FAN5093MTC VRM 9.x DC-DC Controller FAN5093MTCX VRM 9.x DC-DC Controller 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; ...