SLVU735A June   2012  – February 2022 TPS51225

 

  1.   Trademarks
  2. 1 Description
    1. 1.1 Typical Applications
    2. 1.2 Features
  3. 2 Electrical Performance Specifications
  4. 3 Schematic
  5. 4 Test Setup
    1. 4.1 Test Equipment
    2. 4.2 Recommended Test Setup
  6. 5 Configurations
  7. 6 Test Procedure
    1. 6.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 6.2 List of Test Points
    3. 6.3 Equipment Shutdown
  8. 7 Performance Data and Typical Characteristic Curves
    1. 7.1  5-V Efficiency
    2. 7.2  5-V Load Regulation
    3. 7.3  3.3-V Efficiency
    4. 7.4  3.3-V Load Regulation
    5. 7.5  Enable Turn-On/Turn-Off
    6. 7.6  Output Ripple
    7. 7.7  Switching Node
    8. 7.8  5-V Output Transient with Auto-skip Mode
    9. 7.9  3.3-V Output Transient with Auto-skip Mode
    10. 7.10 Output Prebias Turn-On
    11. 7.11 Thermal Image
  9. 8 EVM Assembly Drawing and PCB Layout
  10. 9 Bill of Materials
  11. 10Revision History

6.2 List of Test Points

Table 6-1 The Functions of Each Test Points
Test PointsNameDescription
TP1Vin12-V input
TP2Vout15-V output
TP3Vout23.3-V output
TP4VREG55-V LDO output
TP5VREG33.3-V LDO output
TP6GNDGround
TP7GNDGround
TP8GNDGround
TP9GNDGround
TP10PGOODPower Good
TP11EN2Enable2
TP12EN1Enable1
TP13VCLKClock output for charge pump
TP14SW1Switching node of Output1
TP15SW2Switching node of Output2
TP16VCP14-V charge bump voltage
TP17GNDGround