数据表 (TPS51225EVM-133)目录Using the TPS51225EVM-133 Dual Synchronous Step-Down Fixed Output Controller with 5V and 3.3V LDOs11 Description21.1 Typical Applications21.2 Features22 Electrical Performance Specifications33 Schematic44 Test Setup54.1 Test Equipment54.2 Recommended Test Setup65 Configurations76 Test Procedure76.1 Line/Load Regulation and Efficiency Measurement Procedure76.2 List of Test Points86.3 Equipment Shutdown87 Performance Data and Typical Characteristic Curves97.1 5-V Efficiency97.2 5-V Load Regulation97.3 3.3-V Efficiency107.4 3.3-V Load Regulation107.5 Enable Turn on/Turn off117.6 Output Ripple117.7 Switching Node127.8 5-V Output Transient with Auto-skip Mode127.9 3.3-V Output Transient with Auto-skip Mode137.10 Output Prebias Turn on137.11 Thermal Image148 EVM Assembly Drawing and PCB Layout159 Bill of Materials18Important Notices19文件大小： 969.4 KB页数： 27Language: English打开用户手册
