SLUU285D July   2007  – October 2021 TPS54283 , TPS54286 , TPS54383 , TPS54386

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Applications
    3. 1.3 Features
  3. 2TPS54383EVM Electrical Performance Specifications
  4. 3Schematic
    1. 3.1 Sequencing Jump (JP3)
    2. 3.2 Enable Jumpers (JP1 and JP2)
    3. 3.3 Test Point Descriptions
      1. 3.3.1 Input Voltage Monitoring (TP1 and TP2)
      2. 3.3.2 Channel 1 Output Voltage Monitoring (TP3 and TP4)
      3. 3.3.3 Channel 1 Loop Analysis (TP5, TP6, TP7 and TP8)
      4. 3.3.4 Channel 1 Switching Waveforms (TP9 and TP10)
      5. 3.3.5 TPS54383 Device Ground (TP11)
      6. 3.3.6 Channel 2 Switching Waveforms (TP12 and TP13)
      7. 3.3.7 Channel 2 Loop Analysis (TP14, TP15, TP16 and TP17)
      8. 3.3.8 Output Voltage Monitoring (TP18 and TP19)
  5. 4Test Set Up
    1. 4.1 Equipment
      1. 4.1.1 Voltage Source
      2. 4.1.2 Meters
      3. 4.1.3 Loads
      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 / Shut Down Procedure
    4. 4.4 Output Ripple Voltage Measurement Procedure
    5. 4.5 Control Loop Gain and Phase Measurement Procedure
    6. 4.6 Equipment Shutdown
  6. 5TPS54383EVM Typical Performance Data and Characteristic Curves
    1. 5.1 Efficiency
    2. 5.2 Line and Load Regulation
    3. 5.3 Output Voltage Ripple
    4. 5.4 Switch Node
    5. 5.5 Control Loop Bode Plot (low line, VIN = 8 V)
    6. 5.6 Light Load Operation (revision A PCB only)
  7. 6EVM Assembly Drawings and Layout
  8. 7List of Materials
  9. 8Revision History

2 TPS54383EVM Electrical Performance Specifications

Table 2-1 Electrical Performance Specifications
SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS
Input Characterstics
VINInput coltage9.61213.2V
IINInput currentVIN = nom, IOUT = max-1.62.0A
No load input currentVIN = nom, IOUT = 0 A-1220mA
VIN_UVLOInput UVLOIOUT = min to max4.04.24.4V
Output Characterstics
VOUT1Output voltage 1VIN = nom, IOUT = nom4.855.05.15V
VOUT2Output voltage 2VIN = nom, IOUT = nom3.203.33.40
Line regulationVIN = min to max--1%
Load regulationIOUT = min to max--1%
VOUT_rippleOutput voltage rippleVIN = nom, IOUT = max--50mVpp
IOUT1Output current 1(1)VIN = min to max02.0A
IOUT2Output current 2(1)VIN = min to max02.0
IOCP1Output over current Channel 1VIN = nom, VOUT = VOUT1 - 5%3.13.74.5
IOCP2Output over current Channel 2VIN = nom, VOUT = VOUT2 - 5%3.13.74.5
Systems Characterstics
FSWSwitching frequency255310375kHz
ηpkPeak efficiencyVIN = nom-90%-
ηFull load efficiencyVIN = nom, IOUT = max-85%-
TopOperating temperature rangeVIN = min to max, IOUT = min to max02560°C
(1) Recommended Load Current limited to 2 A to prevent rectifier diodes surface temperature from exceeding 65°C.