SLUSA87C August   2010  – October 2015 UCC24610

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Normal Operation
      2. 7.3.2 Light-Load Operation
    4. 7.4 Device Functional Modes
      1. 7.4.1 UVLO Mode
      2. 7.4.2 Sleep Mode
      3. 7.4.3 Run Mode
      4. 7.4.4 Light-Load Mode
      5. 7.4.5 Fault Mode and Other Protections
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 VD and VS Detection
        2. 8.2.2.2 Enabling and TOFF Programming
        3. 8.2.2.3 TON Programming
        4. 8.2.2.4 GATE Drive and RGATE Considerations
        5. 8.2.2.5 VCC Range and Bypassing Considerations
        6. 8.2.2.6 SYNC Input Considerations
          1. 8.2.2.6.1 Determine the Minimum Change
          2. 8.2.2.6.2 After the ΔVDS_PRI Transition
          3. 8.2.2.6.3 The Value of CCM
          4. 8.2.2.6.4 Conservative Power-Loss Estimates
          5. 8.2.2.6.5 The Device Internal SYNC-to-GATE Delay Time
          6. 8.2.2.6.6 The CSYNC Capacitor Resets
        7. 8.2.2.7 Single-Fault Self-Protection Features
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Community Resources
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, 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

9 Power Supply Recommendations

The UCC24610 in nominally a 5-V only controller as regards to the VCC bias supply rating. Although the absolute maximum rating for VCC is 6.5 V, it is recommended to operate the device with VCC < 5.5 V to allow margin for voltage-rail transients and surges. Although the device may typically function with VCC down to 4.2 V, it is recommended to operate the device at VCC ≥ 4.5 V to provide adequate gate-drive to the SR MOSFET. Use a ceramic bypass capacitor from VCC to GND of suitable value to provide the total gate charge each switching cycle.

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