SNVU818 May   2022 TPS62901-Q1 , TPS62902-Q1 , TPS62903-Q1

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Performance Specification
    2. 1.2 Modifications
      1. 1.2.1 Input and Output Capacitors
      2. 1.2.2 Configurable Enable Threshold Voltage
      3. 1.2.3 SS/TR Capacitor
      4. 1.2.4 Feedforward Capacitor
      5. 1.2.5 MODE/S-CONF Resistor
      6. 1.2.6 Loop Response Measurement
  3. 2Setup
    1. 2.1 Input/Output Connector Descriptions
  4. 3Safety Instructions
  5. 4Test Results
  6. 5 Board Layout
  7. 6Schematic and Bill of Materials
    1. 6.1 Schematic
    2. 6.2 Bill of Materials

4 Test Results

The TPS6290x-Q1EVM was used to take all the data in the TPS62903-Q1, 3-V to 18-V, Low IQ Buck Converter in 2.2-mm × 2-mm VQFN with Wettable Flank Package data sheet. See the device data sheet for the performance of this EVM.

Figure 4-1 shows the thermal performance of the EVM. "Spot" shows the temperature of the PCB. Figure 4-2 shows the loop response measurement.

GUID-0C0167D4-C8DF-4D38-B2D5-9DCC6D3DE99A-low.jpgFigure 4-1 Thermal Performance (VIN = 12 V, VOUT = 1.2 V, IOUT = 3000 mA, JP2 Open)
Figure 4-2 Loop Response Measurement (VIN = 12 V, VOUT = 1.2 V, IOUT = 3000 mA, JP2 Open)