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  • TPS7B4260-Q1 Automotive, 300mA, 40V, Voltage-Tracking LDO With 6mV Tracking Tolerance

    • SBVS444 January   2025 TPS7B4260-Q1

      ADVANCE INFORMATION  

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  • TPS7B4260-Q1 Automotive, 300mA, 40V, Voltage-Tracking LDO With 6mV Tracking Tolerance
  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 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Tracker Output Voltage (VOUT)
        1. 6.3.1.1 Output Voltage Equal to Reference Voltage
        2. 6.3.1.2 Output Voltage Less Than the Reference Voltage
        3. 6.3.1.3 Output Voltage Larger than the Reference Voltage
      2. 6.3.2 Reverse Current Protection
      3. 6.3.3 Undervoltage Lockout
      4. 6.3.4 Thermal Protection
      5. 6.3.5 Current Limit
      6. 6.3.6 Output Short to Battery
      7. 6.3.7 Tracking Regulator With an Enable Circuit
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
      3. 6.4.3 Operation With VIN < 3.3V
      4. 6.4.4 Disable With ADJ/EN Control
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Dropout Voltage
      2. 7.1.2 Reverse Current
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Input and Output Capacitor Selection
        2. 7.2.2.2 Feedback Resistor Selection
        3. 7.2.2.3 Feedforward Capacitor
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 Package Mounting
        2. 7.4.1.2 Board Layout Recommendations to Improve PSRR and Noise Performance
        3. 7.4.1.3 Power Dissipation and Thermal Considerations
        4. 7.4.1.4 Thermal Performance Versus Copper Area
      2. 7.4.2 Layout Example
  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. 10.1 Mechanical Data
  12. IMPORTANT NOTICE
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Data Sheet

TPS7B4260-Q1 Automotive, 300mA, 40V, Voltage-Tracking LDO With 6mV Tracking Tolerance

1 Features

  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
    • Junction temperature: –40°C to +150°C, TJ
  • Wide input voltage range:
    • Absolute maximum range: –40V to +45V
    • Operating range: 3.3V to 40V
  • Output voltage:
    • Wide operating range: 2V to 40V
    • Output voltage flexibility: VOUT can be scaled to values that are higher or lower than the reference using external resistors in a voltage divider configuration
  • Maximum output current: 300mA
  • Very tight output-tracking tolerance: 6mV (max)
  • Low dropout voltage: 330mV at 200mA
  • Combined enable and reference functionalities
  • Low quiescent current at light load: 55μA
  • Stable over a wide range of ceramic output capacitor values:
    • COUT range: 1μF to 100μF
    • ESR range: 1mΩ to 2Ω
  • Integrated protection features:
    • Reverse current protection
    • Reverse polarity protection
    • Overtemperature protection
    • Protection against output short circuit to ground and supply
  • Available in the HSOIC (DDA) low thermal resistance (RθJA = 48°C/W) 8-pin package

 
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