SBVU075 April   2022

 

  1.   Trademarks
  2. 1Introduction
  3. 2Setup
    1. 2.1 LDO Input and Output Connector Descriptions
      1. 2.1.1 VIN and GND
      2. 2.1.2 VOUT and GND
      3. 2.1.3 J3
      4. 2.1.4 J4 (EN)
      5. 2.1.5 J5 (CP_EN)
      6. 2.1.6 J1 (PG)
    2. 2.2 Optional Load Transient Input and Output Connector Descriptions
      1. 2.2.1 VCC and GND
      2. 2.2.2 J17
      3. 2.2.3 TP10
      4. 2.2.4 IN1
      5. 2.2.5 J15
      6. 2.2.6 TP11 and TP12
      7. 2.2.7 J6 and TP13
    3. 2.3 TPS7A57 LDO Operation
    4. 2.4 Optional Load Transient Circuit Operation
  4. 3Board Layout
  5. 4TPS7A57EVM-056 Schematics
  6. 5Bill of Materials

2.1.3 J3

J3 is a 6-pin header used to select different output voltage options for the TPS7A57.

The header connects the REF pin to a resistor to set a given output voltage value. The voltage options are 0.5 V, 1.2 V, 1.8 V, 2.5 V, 3.3 V, 5.0 V.