SLVUCA5 June   2022

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 Before You Begin
  4. 2TPS7B4255EVM-062 Schematic
  5. 3Setup
    1. 3.1 LDO Input/Output Connector Descriptions
      1. 3.1.1 VIN and GND
      2. 3.1.2 VOUT and GND
      3. 3.1.3 EN
    2. 3.2 Optional Load Transient Input/Output Connector Descriptions
      1. 3.2.1 VDD and GND
      2. 3.2.2 J15
      3. 3.2.3 J18
      4. 3.2.4 J19
      5. 3.2.5 J21
      6. 3.2.6 J22
      7. 3.2.7 J23
      8. 3.2.8 J26
      9. 3.2.9 TP3
    3. 3.3 TPS7B4255-Q1 LDO Operation and Component Selection
    4. 3.4 Optional Load Transient Circuit Operation
  6. 4Board Layout
  7. 5Bill of Materials

1.1 Before You Begin

This evaluation module is not encapsulated and has exposed terminals with voltages that are connected to the main power supply. The following warnings are noted for the safety of anyone using or working close to the TPS7B4255EVM-062. Observe all safety precautions.

WARNING:

Failure to adhere to these steps or to not heed the safety requirements at each step may lead to shock, injury, and damage to the hardware. Texas Instruments is not responsible or liable in any way for shock, injury, or damage caused by negligence or failure to heed advice. If you are not trained in the proper safety of handling and testing power electronics please do not test this evaluation module.

CAUTION:
GUID-53AF7A2C-AC3E-4B8A-B01A-98E9E4DEC5F1-low.gif
Caution! Do not leave EVM powered when unattended.
HOT SURFACE:
GUID-FC2AE332-5E76-422B-91C8-8CE9D1BE85DF-low.gif
Caution Hot Surface! Contact may cause burns. Do not touch. Please take the proper
precautions when operating.
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