SNVU794 September   2021 LM61430-Q1

 

  1.   Trademarks
  2. 1Quick Start
  3. 2Detailed Descriptions
  4. 3Schematic
  5. 4Board Layout
  6. 5Thermal Performance
    1. 5.1 Additional Performance Curves
  7. 6Bill of Materials (BOM)

Detailed Descriptions

This section describes the connectors on the EVM and how to properly set up the EVM.

    VOUT 5-V output voltage of the converter Connect the loading device to the board with short and thick wires.
    GND Ground of the converter Connect to supply and load grounds with short and thick wires. "Clip-on" GND connectors are for signal measurement and probing.
    VIN_EMI Input voltage to input filter of the converter Connect with short and thick wires.
    GND_EMI Ground return for the input filter Connect with short and thick wires.
    CLK For synchronization clock input The buck PWM output is synchronized to the external clock when applied.
    EN To monitor the EN pin or input EN control signal
    PG To monitor the PGOOD/RESET pin The PGOOD pin of the device is an open-drain output and it is pulled up to VOUT when in regulation and pulled to GND when not.
    VINJ To aid when making bode plots There is injection resistor, Rinj, between VOUT and this node. Transformer-based stimulus can be applied across Rinj when taking measurements for bode plots.
    VOUTS Kelvin sensing for VOUT For accurate load and line regulation measurements, VOUTS must be utilized. There is non-neglible I-R drop at maximum load between the output capacitor and VOUT connector.