FAN5037MX Fairchild Semiconductor, FAN5037MX Datasheet

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FAN5037 Adjustable Switching Regulator Controller Features Applications Block Diagram 5V VCCA 2 FAN5037 CEXT Oscillator 1 1.20V Reference Description +12V IFBL 4 Feedback Control IFBH 3 VCCP 8 7 Digital Logic DRV VFB 5 GNDP 6 www.fairchildsemi.com +5V Vout REV. ...

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FAN5037 Pin Assignments Pin Descriptions Pin Pin Name Number Pin Function Description CEXT 1 External capacitor. A 180pF capacitor is connected to this pin as part of the constant on-time pulse width circuit. Careful layout of this pin is critical ...

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PRODUCT SPECIFICATION Electrical Characteristics ° (VCCA = 5V, VCCP = 12V The • denotes specifications which apply over the full ambient operating temperature range. Parameter Output Voltage Output Temperature Drift Line Regulation Load Regulation V PSRR ...

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FAN5037 Typical Operating Characteristics ° (VCCA = 5V, and T = +25 C using circuit in Figure 1, unless otherwise noted) A Efficiency vs. Output Current ...

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PRODUCT SPECIFICATION Typical Operating Characteristics Output Startup, System Power-Up Time (5ms/division) Application Circuit Optional L1 +5V 2 MMBD4148 D3 1N4735A R1 +12V 0 0.1uF C6 180pF REV. ...

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FAN5037 Table1. Bill of Materials for a FAN5037 3.3V, 13A Application Manufacturer Qty. Reference Part Order # 3 C1, C7-8 Any 3 C2-4 Sanyo 10MV1200GX 1 Any C5 1 Any C6 6 C9-14 Sanyo 6MV1500GX 1 R1 Any 1 R2 ...

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PRODUCT SPECIFICATION Constant On-Time Oscillator CEXT 1 REF Output Voltage Selection Input Capacitors REV. 1.0.3 9/26/01 +5V +12V VCCA 2 IFBL IFBH 3 VCCP SDRV ...

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FAN5037 Schottky Diode Noisy signal is routed away from quiet pins and the trace length is kept under 0.5in. The gate resistor is as close as possible to the MOSFET. 8 Board Design Considerations MOSFET Placement Inductor and Schottky Diode ...

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PRODUCT SPECIFICATION Power and Ground Connections REV. 1.0.3 9/26/01 MOSFET Gate Bias +5V +12V 47 VCCP SENSE GNDP Figure 4. 12V Gate Bias Configuration FAN5037 V OUT C BULK 9 ...

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PRODUCT SPECIFICATION Mechanical Dimensions 8 Lead SOIC Package Inches Millimeters Symbol Min. Max. Min. A .053 .069 1.35 A1 .004 .010 0.10 B .013 0.33 .020 C .008 .010 0.20 D .189 .197 4.80 E .150 .158 3.81 e .050 ...

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... 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: 1. Life support devices or systems are devices or systems ...