SLUS645F February   2005  – December 2014 UCD7201

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (Continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Handling Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Reference / External Bias Supply
      2. 8.3.2 Input Pin
      3. 8.3.3 Current Sensing and Protection
      4. 8.3.4 Handshaking
      5. 8.3.5 Driver Output
      6. 8.3.6 Source/Sink Capabilities During Miller Plateau
      7. 8.3.7 Drive Current and Power Requirements
      8. 8.3.8 Operational Waveforms
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operation with VDD < 4.25 V (Minimum VDD)
      2. 8.4.2 Operation with IN Pin Open
      3. 8.4.3 Operation with ILIM Pin Open
      4. 8.4.4 Operation with ILIM Pin High
  9. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Half-Bridge Converter
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Intermediate Bus Converter
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

5 Description (Continued)

For fast switching speeds, the UCD7201 output stages use the TrueDrive™ output architecture, which delivers rated current of ±4 A into the gate of a MOSFET during the Miller plateau region of the switching transition. It also includes a 3.3-V, 10-mA linear regulator to provide power to the digital controller.

For similar applications requiring direct start-up capability from higher voltages such as the 48-V telecom input line, the UCD7601 includes a 110-V high-voltage startup circuit.

The UCD7K driver family is compatible with standard 3.3-V I/O ports of DSPs, Microcontrollers, or ASICs. UCD7201 is offered in a PowerPAD™ HTSSOP-14 package.