数据表 (TPS40305EVM-488)目录TPS40305EVM-48811 Description21.1 Applications21.2 Features22 TPS40305EVM-488 Electrical Performance Specifications23 TPS40305EVM-488 Schematic44 Connector and Test Point Descriptions54.1 Enable Jumper (JP2)54.2 Frequency Spread Spectrum – FSS Jumper (JP1)54.3 Test Point Descriptions54.3.1 Input Voltage Monitoring (TP1 and TP2)54.3.2 Output Voltage Monitoring (TP3 and TP4)64.3.3 Loop Response Testing (TP5, TP6, TP7, TP8, and R3)64.3.4 Error Amplifier Voltage Monitoring (TP9, TP10, and TP11)64.3.5 Switching Waveform Monitoring (TP12, TP13, TP14, and TP15)64.3.6 Power Good Voltage Monitoring (TP16 and TP18)64.3.7 Enable and Soft-Start Voltage Monitoring (TP17 and TP18)65 Test Set Up65.1 Equipment65.1.1 Voltage Source65.1.2 Meters65.1.3 Loads75.1.4 Oscilloscope75.1.5 Recommended Wire Gauge75.1.6 Other75.2 Equipment Setup75.2.1 Procedure75.2.2 Diagram85.3 Start Up/Shut Down Procedure95.4 Output Ripple Voltage Measurement Procedure95.5 Control Loop Gain and Phase Measurement Procedure95.6 Equipment Shutdown106 TPS40305EVM-488 Test Data106.1 Efficiency106.2 Line and Load Regulation116.3 Output Voltage Ripple116.4 Switch Node126.5 Control Loop Bode Diagram126.6 Additional Waveforms136.6.1 Output Ripple with Frequency Spread Spectrum (FSS) Enabled137 TPS40305EVM-488 Assembly Drawings and Layout138 TPS40305EVM-488 Bill of Materials16Important Notices18文件大小： 791.7 KB页数： 19Language: English打开用户手册
