SLVSFU8 January   2022 TPS62843

ADVANCE INFORMATION  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3.     Recommended Operating Conditions
    4. 7.3 Thermal Information
    5. 7.4 Electrical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Smart Enable and Shutdown (EN)
      2. 8.3.2 Soft Start
      3. 8.3.3 VSET Pin
      4. 8.3.4 VSET Pin: Output Voltage Selection
      5. 8.3.5 Undervoltage Lockout (UVLO)
      6. 8.3.6 Switch Current Limit/Short Circuit Protection
      7. 8.3.7 Thermal Shutdown
      8. 8.3.8 Output Voltage Discharge
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power Save Mode Operation
      2. 8.4.2 100% Mode Operation
  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
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

Features

  • 1.8-V to 5.5-V input voltage range
  • 0.4-V to 3.6-V output voltage range
  • 275-nA typical quiescent current
  • 600-mA output current
  • 1% output voltage accuracy
  • 20-nA typical shutdown current
  • VSET pin-selectable output voltage though a single resistor
    • TPS628436: 0.4 V to 0.8 V
    • TPS628437: 0.8 V to 1.8 V
    • TPS628438: 1.8 V to 3.6 V
  • Optimized for small passive components
    • 1-μH inductor
    • Down to 4.7-μF COUT
  • Low output voltage ripple in power save mode
  • RF-friendly and fast transient DCS-Control
  • Automatic transition to no ripple 100% mode
  • 0603-inductor and 0402-capacitor size supported
  • Tiny 6-pin, 0.35-mm pitch WCSP package with 0.84mm² size
  • Pin-to-pin compatible to the TPS6280x family (1 A)