SLVSFU8B January   2022  – September 2023 TPS62843

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 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
  9. 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: Output Voltage Selection
      4. 8.3.4 Undervoltage Lockout (UVLO)
      5. 8.3.5 Switch Current Limit, Short-Circuit Protection
      6. 8.3.6 Thermal Shutdown
      7. 8.3.7 Output Voltage Discharge
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power Save Mode Operation
      2. 8.4.2 100% Mode Operation
  10. 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
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • YKA|6
  • DRL|6
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 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
  • 4-nA typical shutdown current

  • Output discharge

  • VSET pin-selectable output voltage through 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
  • High PSRR (up to 83 dB)
  • 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) in WCSP package
  • Available in a 1.60-mm × 1.60-mm SOT563 package