SBVS392 June   2022 TPS7B4255-Q1

ADVANCE INFORMATION  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4.     Thermal Information
    5. 6.4 Electrical Characteristics
    6.     TIming Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Regulated Output (VOUT)
      2. 7.3.2 Undervoltage Lockout
      3. 7.3.3 Thermal Protection
      4. 7.3.4 VOUT Short to Battery
      5. 7.3.5 Tracking Regulator With an Enable Circuit
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation With VIN < 4 V
      2. 7.4.2 Operation With ADJ/EN Control
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Input and Output Capacitor Selection
      2. 8.1.2 Dropout Voltage
      3. 8.1.3 Reverse Current
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 External Capacitors
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
        1. 8.4.1.1 Package Mounting
        2. 8.4.1.2 Board Layout Recommendations to Improve PSRR and Noise Performance
        3. 8.4.1.3 Power Dissipation and Thermal Considerations
      2. 8.4.2 Layout Examples
  9. Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  10. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Mechanical Data

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

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 (–40 V to +40 V):
    • Absolute maximum input range: –40 V to +45 V
  • Wide output voltage range: 2 V to 40 V
  • Very-tight, output-tracking tolerance: 5 mV (max)
  • Low dropout voltage: 500 mV (max) at 70 mA
  • Reverse polarity protection
  • Reverse current protection (short to battery)
  • Combined reference and enable input
  • Low quiescent current at light load: 35 μA
  • Extreme, wide ESR range:
    • Stable with 1-µF to 200-µF ceramic output capacitor, 1-mΩ to 3-Ω ESR
  • Overtemperature protection
  • Output short-circuit proof to ground and supply
  • Packages: 5-pin, SOT-23 DBV and DYB