SLUSF51C March   2023  – January 2024 TPSM863252 , TPSM863253 , TPSM863257

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Family Devices
  6. 5 Pin Configuration and Functions
  7. 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 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 PWM Operation and D-CAP3™ Control Mode
      2. 7.3.2 Eco-mode Control
      3. 7.3.3 Soft Start and Prebiased Soft Start
      4. 7.3.4 Overvoltage Protection
      5. 7.3.5 Frequency
      6. 7.3.6 Large Duty Operation
      7. 7.3.7 Current Protection and Undervoltage Protection
      8. 7.3.8 Undervoltage Lockout (UVLO) Protection
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Eco-mode Operation
      2. 7.4.2 FCCM Mode Operation
  9. 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 Custom Design with WEBENCH® Tools
        2. 8.2.2.2 Output Voltage Resistors Selection
        3. 8.2.2.3 Output Filter Selection
        4. 8.2.2.4 Input Capacitor Selection
        5. 8.2.2.5 Enable Circuit
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
        1. 9.1.1.1 Custom Design with WEBENCH® Tools
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

1 Features

  • Configured for a wide range of applications
    • 3V to 17V input voltage range
    • 0.6V to 10V output voltage range for TPSM863252
    • 0.6V to 5.5V output voltage range for TPSM863257
    • Fixed 3.3V output voltage for TPSM863253
    • 0.6V reference voltage
    • ±1% reference accuracy at 25°C
    • ±1.5% reference accuracy at –40°C to 125°C
    • Integrated 55mΩ and 24mΩ MOSFETs
    • 100μA low quiescent current
    • 1.2MHz switching frequency
    • Maximum 95% large duty cycle operation
    • Precision EN threshold voltage
    • 1.6ms fixed typical soft-start time
  • Ease of use and small design size
    • TPSM863252 Eco-mode, TPSM863257 and TPSM863253 FCCM mode at light loading
    • Fast transient D-CAP3™ control mode
    • Easy layout with integrated bootstrap capacitor and inductor
    • Support start-up with prebiased output voltage
    • Non-latch for OV, OT, and UVLO protection
    • Cycle-by-cycle OC and NOC protection
    • –40°C to 125°C operating junction temperature
    • 3.3mm × 4mm × 2mm QFN package
  • Create a custom design using the TPSM863252 with the WEBENCH® Power Designer
  • Create a custom design using the TPSM863253 with the WEBENCH® Power Designer
  • Create a custom design using the TPSM863257 with the WEBENCH® Power Designer