SLUSEF1B September   2021  – November 2022 TPSM82864A , TPSM82866A

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Options
  6. 6 Pin Configuration and Functions
  7. 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
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Power Save Mode
      2. 8.3.2 Forced PWM Mode
      3. 8.3.3 Optimized Transient Performance from PWM to PSM Operation
      4. 8.3.4 Low Dropout Operation (100% Duty Cycle)
      5. 8.3.5 Soft Start
      6. 8.3.6 Switch Current Limit and HICCUP Short-Circuit Protection
      7. 8.3.7 Undervoltage Lockout
      8. 8.3.8 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Enable and Disable (EN)
      2. 8.4.2 Output Discharge
      3. 8.4.3 Power Good (PG)
      4. 8.4.4 Output Voltage and Mode Selection (VSET/MODE)
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Setting The Output Voltage
        2. 9.2.2.2 Input and Output Capacitor Selection
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
        1. 9.4.2.1 Thermal Considerations
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

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

1 Features

  • Up to 96% efficiency
  • Excellent thermal performance
  • CISPR-11 class-B compliant
  • 1% output voltage accuracy
  • DCS-Control topology for fast transient response
  • 1.4-mm or 1.8-mm ultra-low profile QFN package
  • 2.4-V to 5.5-V input voltage range
  • Same device part number provides either:
  • Power-good indicator with window comparator
  • 2.4-MHz switching frequency
  • Forced PWM or power save mode
  • 4-µA operating quiescent current
  • Output voltage discharge
  • 100% duty cycle mode
  • Hiccup short-circuit protection
  • Thermal shutdown
  • –40°C to 125°C operating temperature range
  • 3.5-mm × 4.0-mm QFN package with 0.5-mm pitch
  • 35-mm2 solution size