SLVSFP3C August   2020  – March 2022 TPS61288

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison
  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 Enable and Start-up
      2. 8.3.2 Undervoltage Lockout (UVLO)
      3. 8.3.3 Switching Peak Current Limit
      4. 8.3.4 Overvoltage Protection
      5. 8.3.5 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 PWM
      2. 8.4.2 PFM
  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 Output Voltage
        2. 9.2.2.2 Inductor Selection
        3. 9.2.2.3 Input Capacitor Selection
        4. 9.2.2.4 Output Capacitor Selection
        5. 9.2.2.5 Loop Stability
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
      1. 11.2.1 Thermal Considerations
  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

  • 2.5-mm × 3.0-mm QFN package with HotRod™ Lite option
    • TPS61288 HotRod
    • TPS61288L HotRod Lite
    • TPS61288L is recommended with thermal improvement
  • Wide input voltage and output voltage range
    • VIN : 2.0 V to 18 V
    • 2.4-V Minimum input voltage for start-up
    • VOUT : 4.5 V to 18 V
  • High efficiency and power capability
    • 15-A peak switch current limit
    • Two 6.5-mΩ (LS) / 8.5-mΩ (HS) MOSFETs
    • Switching frequency: 500 kHz
    • Up to 94.7% efficiency at VIN = 3.6 V, VOUT = 13 V, and IOUT = 2 A
    • Up to 96.9% efficiency at VIN = 7.2 V, VOUT = 16 V, and IOUT = 2.5 A
  • Extend the system operating time
    • Typical 110-µA quiescent current into VOUT pin
    • Maximum 2.1-µA current into VIN pin during shutdown

    • Smooth on-time/off-time (SOO) modulation at light load and low duty cycle and no DC offset between PFM and PWM

  • Rich protection
    • Output overvoltage protection at 19 V
    • Cycle-by-cycle overcurrent protection
    • Thermal shutdown