SBVS358D June   2018  – April 2025 TPS746-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Undervoltage Lockout (UVLO)
      2. 6.3.2 Shutdown
      3. 6.3.3 Foldback Current Limit
      4. 6.3.4 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
      3. 6.4.3 Disabled
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Adjustable Device Feedback Resistors
      2. 7.1.2 Input and Output Capacitor Selection
      3. 7.1.3 Dropout Voltage
      4. 7.1.4 Exiting Dropout
      5. 7.1.5 Reverse Current
      6. 7.1.6 Power Dissipation (PD)
      7. 7.1.7 Power-Good Function
      8. 7.1.8 Feed-Forward Capacitor (CFF)
      9. 7.1.9 Start-Up Sequencing
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Input Current
        2. 7.2.2.2 Thermal Dissipation
      3. 7.2.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Examples
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Device Nomenclature
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

1 Features

  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Device operating junction temperature range:
    • –40°C to +150°C
  • Package:
    • 2mm × 2mm wettable flank WSON
    • 3mm × 3mm wettable flank VSON
  • Input voltage range: 1.5V to 6.0V
  • Output voltage range:
    • Fixed option: 0.65V to 5.0V
    • Adjustable option: 0.55V to 5.5V
  • High PSRR: 38dB at 100kHz
  • Output accuracy: ±0.85% typical, ±1.5% maximum
  • Power-good output options:
    • Open-drain or push-pull
  • Ultra-low dropout:
    • 265mV (max) at 1A (3.3VOUT)
  • Stable with a 1µF or larger capacitor
  • Low IQ: 25μA (typical)
  • Active output discharge
  • Functional Safety-Capable
  • Low thermal resistance:
    • DRV (6-pin WSON), RθJA = 80.3°C/W
    • DRB (8-pin VSON), RθJA = 55.5°C/W