SLVUCC7A January   2022  – September 2022 TPS629211-Q1

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2Performance Specification
  5. 3EVM Configuration and Modification
    1. 3.1 Input and Output Capacitors
    2. 3.2 Configurable Enable Threshold Voltage
    3. 3.3 MODE/S-CONF Setting
    4. 3.4 Power Good
    5. 3.5 Power Good Pullup Voltage
    6. 3.6 Feedforward Capacitor Option
    7. 3.7 Output Voltage Setting
    8. 3.8 Loop Response Measurement
  6. 4EVM Test Setup
    1. 4.1 Input and Output Connectors
    2. 4.2 Jumper Configuration
      1. 4.2.1 JP1 Enable
      2. 4.2.2 JP2 MODE/S-CONF
      3. 4.2.3 JP3 Power Good
      4. 4.2.4 JP4 PG Pullup Voltage
  7. 5Test Results
  8. 6Board Layout
  9. 7Schematic and Bill of Materials
    1. 7.1 Schematic
    2. 7.2 Bill of Materials
  10. 8References
  11. 9Revision History

3.2 Configurable Enable Threshold Voltage

JP1 is provided as option for Enable pin with precise threshold voltage. R4 and R5 can be adjusted to set a user-selectable input voltage at which the IC turns on. The EVM pre-configured R4 and R5 to have 6.5-V rising and 5.85-V falling threshold voltage.