SLUSD95A March   2018  – January 2024 UCC27511A

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Handling Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Switching Characteristics
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 VDD and Undervoltage Lockout
      2. 6.3.2 Operating Supply Current
      3. 6.3.3 Input Stage
      4. 6.3.4 Enable Function
      5. 6.3.5 Output Stage
      6. 6.3.6 Low Propagation Delays
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Input-to-Output Logic
        2. 7.2.2.2 Input Threshold Type
        3. 7.2.2.3 VDD Bias Supply Voltage
        4. 7.2.2.4 Peak Source and Sink Currents
        5. 7.2.2.5 Enable and Disable Function
        6. 7.2.2.6 Propagation Delay
        7. 7.2.2.7 Thermal Information
        8. 7.2.2.8 Power Dissipation
      3. 7.2.3 Application Curves
  9. 8 Power Supply Recommendations
  10. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.4 Device Functional Modes

The device operates in normal mode and UVLO mode. See Section 6.3.1 for information on UVLO operation mode. In the normal mode the output state is dependent on states of the IN+ and IN– pins. Table 6-3 lists the output states for different input pin combinations.

Table 6-3 Device Logic Table
IN+ PIN IN– PIN OUTH PIN OUTL PIN OUT
(OUTH AND OUTL PINS TIED TOGETHER IN THE UCC27511A)
LLHigh impedanceLL
LHHigh impedanceLL
HLHHigh impedanceH
HHHigh impedanceLL
x(1)AnyHigh impedanceLL
Anyx(1)High impedanceLL
(1) x = Floating Condition