SLUU232A September   2005  – January 2022 TPS40190

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Applications
    3. 1.3 Features
  3. 2TPS40190EVM-001 Electrical Performance Specifications
  4. 3Schematic
    1. 3.1 Adjusting Output Voltage (R1)
    2. 3.2 Adjusting Short Circuit Protection (R6)
    3. 3.3 Disable (TP1 and SW1)
  5. 4Test Setup
    1. 4.1 Equipment
      1. 4.1.1 Voltage Source (V12V_IN)
      2. 4.1.2 Meters
      3. 4.1.3 Loads (LOAD1)
      4. 4.1.4 Oscilloscope
      5. 4.1.5 Recommended Wire Gauge
      6. 4.1.6 Other
    2. 4.2 Equipment Setup
      1. 4.2.1 Procedure
      2. 4.2.2 Diagram
    3. 4.3 Start-Up/Shutdown Procedure
    4. 4.4 Control Loop Gain and Phase Measurement Procedure
    5. 4.5 Equipment Shutdown
  6. 5TPS40190EVM Typical Performance Data and Characteristic Curves
    1. 5.1 Efficiency
    2. 5.2 Line and Load Regulation
  7. 6EVM Assembly Drawings and Layout
  8. 7List of Materials
  9. 8Revision History

3.3 Disable (TP1 and SW1)

The TPS40190EVM-001 provides both a Disable input (TP1) and a Disable switch (SW1) to allow the user to evaluate the Enable Function of the TPS40190. When the switch is ON or TP1 is pulled high, Q1 pulls EN (U1 pin 1) to ground and disables the TPS40190 IC.