SLUUCV2A October   2023  – November 2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specifications
    4. 1.4 Device Information
    5.     General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
  7. 2Hardware
    1. 2.1 Test Setup
      1. 2.1.1 Test Equipment
      2. 2.1.2 Recommended Test Setup
    2. 2.2 Using the EVM with UCC256602
    3. 2.3 Using the EVM with UCC256603
    4. 2.4 Test Points
    5. 2.5 Terminals
    6. 2.6 Test Procedure
      1. 2.6.1 Equipment Shutdown
  8. 3Implementation Results
    1. 3.1 Performance Data and Typical Characteristic Curves
      1. 3.1.1  UCC25660EVM-064 Standalone Standby and Light Load Power
      2. 3.1.2  Efficiency, Load Regulation, Switching Frequency vs Output Current
      3. 3.1.3  Startup
      4. 3.1.4  Enhanced ZCS Avoidance During Soft Start
      5. 3.1.5  Thermal Image
      6. 3.1.6  Output Voltage Ripple
      7. 3.1.7  Load Transient Response
      8. 3.1.8  Loop Response
      9. 3.1.9  Steady State
      10. 3.1.10 X-Capacitor Discharge
  9. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials
  10. 5Additional Information
    1.     Trademarks
  11. 6Revision History

1.3 Specifications

Table 1-2 UCC25660EVM-064 Specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
INPUT CHARACTERISTICS
DC voltage range 365 390 410 VDC
AC voltage range 85 265 VAC
AC voltage frequency 47 63 Hz
Input DC UVLO On 365 VDC
OUTPUT CHARACTERISTICS
VOUT Output voltage - Normal mode Burst mode threshold to full load = 15 A 12 VDC
IOUT Output load current 365 to 410 VDC 15 A
Output voltage ripple 390 VDC and full load = 15 A 120 mVpp
SYSTEM CHARACTERISTICS
Resonant frequency 100 kHz
Operating temperature Natural convection 25 °C