SLUU224A May   2005  – March 2022 TPS40100

 

  1.   Trademarks
  2. 1Introduction
  3. 2Description
    1. 2.1 Applications
    2. 2.2 Features
      1. 2.2.1 Using Remote Sense (J3)
      2. 2.2.2 Simultaneous Tracking (J3)
      3. 2.2.3 Enable (SW2)
      4. 2.2.4 Margin Up/Down (J4)
      5. 2.2.5 Power Good (J1)
      6. 2.2.6 Synchronization (J1)
  4. 3Electrical Performance Specifications
  5. 4Schematic
  6. 5Test Setup
    1. 5.1 Equipment
      1. 5.1.1 Voltage Source (VIN)
      2. 5.1.2 Meters
      3. 5.1.3 Loads (LOAD1)
      4. 5.1.4 Recommended Wire Gauge
      5. 5.1.5 Other
    2. 5.2 Equipment Setup
      1. 5.2.1 Initial EVM Jumper and Switch Settings
      2. 5.2.2 Procedure
      3. 5.2.3 Start-Up and Shutdown Procedure
      4. 5.2.4 Equipment Shutdown
    3. 5.3 Other Tests
      1. 5.3.1 Adjusting Output Voltage (R1 and R3)
      2. 5.3.2 Remote Sense Test Setup
      3. 5.3.3 Voltage Tracking Test Setup
        1. 5.3.3.1 Single Unit Tracking (Charge)
        2. 5.3.3.2 Single Unit Tracking (Discharge)
      4. 5.3.4 Enable and Disable Test Setup
        1. 5.3.4.1 Power-On Enable
      5. 5.3.5 Margin Test Setup
        1. 5.3.5.1 Margin Up 5%
      6. 5.3.6 Power Good and Synchronization Test Setup
        1. 5.3.6.1 Synchronization
  7. 6TPS40100EVM Typical Performance Data and Characteristics Curves
    1. 6.1 Efficiency
    2. 6.2 Line and Load Regulation
    3. 6.3 Loop Stability
  8. 7EVM Assembly Drawings and Layout
  9. 8List of Materials
  10. 9Revision History

Features

  • 10.8-V to 13.2-V input range
  • 3.3-V fixed output
  • 10-ADC steady state output current
  • Output margin up and down support
  • Tracking voltage input to support simultaneous sequencing
  • Power-good indicator
  • Frequency synchronization input
  • Remote sensing scheme
  • 380-kHz switching frequency
  • Single main switch MOSFET and single synchronous rectifier MOSFET
  • Single component side, surface mount design on a 3.0-inch × 3.25-inch evaluation board
  • Four layer PCB with all components on top side
  • Convenient test points for probing critical waveforms
  • Test points for full loop analysis as well as control to output