SLUSCA7A November   2015  – July 2022 TPS51216-EP

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 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 VDDQ Switch Mode Power Supply Control
      2. 8.3.2 VREF and REFIN, VDDQ Output Voltage
      3. 8.3.3 Soft-Start and Powergood
      4. 8.3.4 Power State Control
      5. 8.3.5 Discharge Control
      6. 8.3.6 VTT Overcurrent Protection
      7. 8.3.7 V5IN Undervoltage Lockout (UVLO) Protection
      8. 8.3.8 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 MODE Pin Configuration
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 D-CAP Mode
      2. 9.1.2 Light-Load Operation
      3. 9.1.3 VTT and VTTREF
      4. 9.1.4 VDDQ Overvoltage and Undervoltage Protection
      5. 9.1.5 VDDQ Overcurrent Protection
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 List of Materials
        2. 9.2.2.2 External Components Selection
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Support Resources
    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

1 Features

  • Synchronous buck controller (VDDQ)
    • Conversion voltage range: 3 to 28 V
    • Output voltage range: 0.7 to 1.8 V
    • 0.8% VREF accuracy
    • D-CAP™ mode for fast transient response
    • Selectable 300-kHz/400-kHz switching frequencies
    • Optimized efficiency at light and heavy loads with auto-skip function
    • Supports soft-off in S4/S5 states
    • OCL/OVP/UVP/UVLO protections
    • Powergood output
  • 2-A LDO (VTT), buffered reference (VTTREF)
    • 2-A (peak) sink and source current
    • Requires only 10-μF of ceramic output capacitance
    • Buffered, low noise, 10-mA VTTREF output
    • 0.8% VTTREF, 20-mV VTT accuracy
    • Support high-z in S3 and soft-off in S4/S5
  • Thermal shutdown
  • 20-Pin, 3 mm × 3 mm, WQFN Package
  • Supports Defense, Aerospace, and Medical Applications
    • Controlled baseline
    • One assembly/test site
    • One fabrication site
    • Available in military (–55°C to 125°C) temperature range (1)
    • Extended product life cycle
    • Extended product-change notification
    • Product traceability
1. Additional temperature ranges available - contact factory