ZHCSNM5C november   2020  – august 2023 UCC25800-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Power Management
      2. 8.3.2 Oscillator
      3. 8.3.3 External Synchronization
      4. 8.3.4 Dead-Time
        1. 8.3.4.1 Adaptive Dead-time
        2. 8.3.4.2 Maximum Programmable Dead-time
      5. 8.3.5 Protections
        1. 8.3.5.1 Overcurrent Protection
          1. 8.3.5.1.1 OCP Threshold Setting
          2. 8.3.5.1.2 Output Power Capability
        2. 8.3.5.2 Input Overvoltage Protection (OVP)
        3. 8.3.5.3 Over-Temperature Protection (TSD)
        4. 8.3.5.4 Pin-Fault Protections
        5. 8.3.5.5 VREG Pin Protection
      6. 8.3.6 DIS/FLT Pin operation
        1. 8.3.6.1 FAULT Codes
    4. 8.4 Device Functional Modes
      1. 8.4.1 UVLO Mode
      2. 8.4.2 Soft-start Mode
      3. 8.4.3 Normal Operation Mode
      4. 8.4.4 Disabled Mode
      5. 8.4.5 Fault Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 LLC Converter Operation Principle
      2. 9.2.2 Design Requirements
      3. 9.2.3 Detailed Design Procedure
      4. 9.2.4 Application Curves
    3. 9.3 What to Do and What Not to Do
  11. 10Power Supply Recommendations
  12. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 静电放电警告
    6. 12.6 术语表
  14. 13Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

7.6 Typical Characteristics

GUID-9994C02D-6386-4383-BF14-ACD77547C1EF-low.svg
Figure 7-1 UVLO thresholds vs junction temperature
GUID-5DB7E1E5-3DEC-426C-A0B9-9F11824C27DC-low.svg
IC is set in test mode. The oscillator is enabled but the internal gate driver and power stage are disabled. VVCC = 15 V
Figure 7-3 VCC current vs junction temperature and switching frequency (Test mode, driver disabled)
GUID-BBDCD629-46DD-4A21-A2EF-DE4D85CDA1A3-low.svg
VVCC = 15 V
Figure 7-5 VCC current vs junction temperature and switching frequency
GUID-2DDBC403-A832-41A2-AF59-6AED1DE16944-low.svg
Figure 7-7 RDSON vs junction temperature
GUID-E4C4EA7D-84CE-4714-9B10-FE96AE616284-low.svg
VVCC = 15 V
Figure 7-9 Programmed maximum dead-time vs junction temperature
GUID-CAD0CEDE-2487-46A9-8569-5CA1965F7D47-low.svg
Figure 7-11 Maximum OCP1 threshold vs junction temperature
GUID-DF9F892C-1459-4005-BFB1-AA7454EF0E09-low.svg
Figure 7-2 OVP thresholds vs junction temperature
GUID-ECC544EB-9F22-44A6-8C06-803954C8DBA0-low.svg
IC is set in test mode. The oscillator is enabled but the internal gate driver and power stage are disabled. TJ = 25 oC
Figure 7-4 VCC current vs switching frequency and VCC voltage (Test mode, driver disabled)
GUID-958B8698-36F2-44DC-943A-BE80325D71DE-low.svg
TJ = 25 oC
Figure 7-6 VCC current vs switching frequency and VCC voltage
GUID-1C5ACF06-C423-4B2E-8F1A-535DB206EBBE-low.svg
VVCC = 15 V
Figure 7-8 Switching frequency vs RT pin voltage and temperature
GUID-D3C77DB2-9216-4486-957C-D0D0E02F691E-low.svg
Figure 7-10 Maximum OCP2 thresholds vs junction temperature
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