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PI3740-00 数据表(PDF) 2 Page - Vicor Corporation |
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PI3740-00 数据表(HTML) 2 Page - Vicor Corporation |
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2 / 48 page ![]() Cool-Power® ZVS Switching Regulators Rev 1.4 vicorpower.com Page 2 of 48 04/2017 800 927.9474 PI3740-00 Contents Order Information 3 Absolute Maximum Ratings 3 Pin Description 4 Package Pin-Out 5 Storage and Handling Information 6 Block Diagram 6 PI3740-00-LGIZ Electrical Characteristics 7 PI3740-00-LGIZ Performance Characteristics 11 MTBF 19 Functional Description 20 Enable 20 Switching Frequency Synchronization 20 Soft-Start and Tracking 20 Remote Sensing Differential Amplifier 20 Power Good 20 Output Current Limit Protection 20 Input Undervoltage Lockout 20 Input Overvoltage Lockout 20 Output Overvoltage Protection 21 Overtemperature Protection 21 Pulse Skip Mode (PSM) 21 Variable Frequency Operation 21 IMON Amplifier 21 Application Description 22 Output Voltage Trim 22 Soft-Start Adjustment and Tracking 22 Inductor Pairing 22 Filter Considerations 23 Thermal Design 26 Thermal Design Inductor 28 PI3740-00-LGIZ Percentage of SiP Loss to Total Loss 30 Evaluation Board Thermal De-rating 32 Parallel Operation 34 Synchronization 34 Interleaving 34 Small Signal Models CV-CC Modes 35 Small Signal Model – Constant Voltage Mode 35 Error Amplifier 35 Lighting Mode (LGH) 35 LGH Amplifier Small Signal Model 36 VDR Bias Regulator 36 PI3740-00-LGIZ Modulator Gain / Output Resistance 37 System Design Considerations 44 Package Drawings 45 Receiving PCB Pattern Design Recommendations 46 Revision History 47 Product Warranty 48 |
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