SLUSD90D May   2019  – November 2020 UCC256402 , UCC256403 , UCC256404

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
    1.     Device Comparison Table
  5. Pin Configuration and Functions
    1.     Pin Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Hybrid Hysteretic Control
      2. 7.3.2 Regulated 13-V Supply
      3. 7.3.3 Feedback Chain
        1. 7.3.3.1 Optocoupler Feedback Signal Input and Bias
        2. 7.3.3.2 FB Pin Voltage Clamp
        3. 7.3.3.3 "Pick Lower Value" Block and Soft Start Multiplexer
        4. 7.3.3.4 Pick Higher Block and Burst Mode Multiplexer
        5. 7.3.3.5 VCR Comparators
      4. 7.3.4 Resonant Capacitor Voltage Sensing
      5. 7.3.5 Resonant Current Sensing
      6. 7.3.6 Bulk Voltage Sensing
      7. 7.3.7 Output Voltage Sensing
      8. 7.3.8 High Voltage Gate Driver
        1. 7.3.8.1 Adaptive Dead Time Control
      9. 7.3.9 Protections
        1. 7.3.9.1 ZCS Region Prevention
        2. 7.3.9.2 Over Current Protection (OCP)
        3. 7.3.9.3 Bias Winding Over Voltage Protection (BWOVP)
        4. 7.3.9.4 Input Under Voltage Protection (VINUVP)
        5. 7.3.9.5 Input Over Voltage Protection (VINOVP)
        6. 7.3.9.6 Boot UVLO
        7. 7.3.9.7 RVCC UVLO
        8. 7.3.9.8 Over Temperature Protection (OTP)
    4. 7.4 Device Functional Modes
      1. 7.4.1 High Voltage Start-Up
      2. 7.4.2 X-Capacitor Discharge
      3. 7.4.3 Burst Mode Control
        1. 7.4.3.1 Soft-Start and Burst-Mode Threshold
        2. 7.4.3.2 BMTL/BMTH Ratio Programming
      4. 7.4.4 System State Machine
  8. Power Supply Recommendations
    1. 8.1 VCC Pin Capacitor
    2. 8.2 Boot Capacitor
    3. 8.3 RVCC Pin Capacitor
  9. Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Related Links
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Community Resources
    5. 10.5 Trademarks

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Typical Characteristics

GUID-57C08519-25D5-4E1E-845B-F7CDF8B8B7CD-low.gifFigure 6-1 IHVHigh vs Temperature
GUID-3A91B0B7-E5DE-48BA-BFEE-F9C0A7066D52-low.gifFigure 6-3 IHVLeak vs Temperature
GUID-6374D217-9C36-4ABB-AB8E-F5E80248CD97-low.gifFigure 6-5 IBOOT_LEAK vs Temperature
GUID-D6C055FD-5F54-455A-98D3-E23BEDB6E016-low.gifFigure 6-7 IMISMATCH vs Temperature
GUID-D0903A5E-6D0A-4421-BACA-C718895F11CA-low.gifFigure 6-9 VRVCC (no load) vs Temperature
GUID-08EA4498-1BEC-46B5-917D-FBB44063A11C-low.gifFigure 6-11 iCCSleep vs Temperature
GUID-B4E65B23-321F-4A0F-BB76-7A59833ED410-low.gifFigure 6-13 VCM vs Temperature
GUID-7D4FB074-7C9D-4121-A290-66C06BD89C01-low.gifFigure 6-15 ISSUp vs Temperature
GUID-B03C0834-274B-4755-A01D-9245B88EB0FA-low.gifFigure 6-17 IHVZCD vs Temperature
GUID-AF447287-C8F1-4B90-8634-872828DAF46D-low.gifFigure 6-19 IHB-HSUVLOHys vs Temperature
GUID-0063427E-6295-4588-9BF1-3928F353A817-low.gifFigure 6-21 VRVCC-VLOH vs Temperature
GUID-D089F485-8DAE-4212-8605-547F91CF1E39-low.gifFigure 6-23 VHB - VHOH vs Temperature
GUID-A67127E3-903C-4B47-8473-029C49F4977A-low.gifFigure 6-25 VCCReStartJfet vs Temperature
GUID-9364E7FF-6449-4832-BE21-0FE44343C341-low.gifFigure 6-2 IHVLow vs Temperature
GUID-400162D5-18DC-4433-A36C-DA627711F7CF-low.gifFigure 6-4 IBOOT_QUIESCENT vs Temperature
GUID-955814A9-AC5D-4120-850E-2C7BF7B11B2A-low.gifFigure 6-6 IRAMP vs Temperature
GUID-E2A25F63-55DB-4A69-A6B2-A885235DC438-low.gifFigure 6-8 RLL vs Temperature
GUID-D1A0AE13-82ED-48DC-B2AD-E51DD6C4BAEE-low.gifFigure 6-10 VRVCC (100mA load) vs Temperature
GUID-E5677E1A-35F8-4034-B76B-83A7B51EA545-low.gifFigure 6-12 ICCRun vs Temperature
GUID-F1371847-7565-4C3B-BCE9-3356B4E0963D-low.gifFigure 6-14 RFB vs Temperature
GUID-3F8EF7DA-99DD-4E07-BF38-819677FC8AF6-low.gifFigure 6-16 IXCAPDischarge vs Temperature
GUID-BDA18A7B-4561-48AC-80AC-A83A7A981A2B-low.gifFigure 6-18 VHB-HSUVLOFall vs Temperature
GUID-09C346E7-6139-4F2C-9C55-631A4F30C32B-low.gifFigure 6-20 VLOL vs Temperature
GUID-049A0CC4-F904-4921-AA1F-6BC8D07264A7-low.gifFigure 6-22 VHOL- VHS vs Temperature
GUID-84EB792A-8496-479E-9131-645D2894EDE3-low.gifFigure 6-24 VCCStartself vs Temperature