SLVS647J August   2006  – May 2025 TLE4275-Q1

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. 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 Diagrams
    7. 5.7 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Power-Good Reset (RESET)
      2. 7.3.2 Adjustable Power-Good RESET Delay Timer (DELAY)
        1. 7.3.2.1 Setting the Adjustable Power-Good Reset Delay
      3. 7.3.3 Undervoltage Lockout
      4. 7.3.4 Current Limit
      5. 7.3.5 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Dropout Operation
      3. 7.4.3 Disabled
  9. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Input and Output Capacitor Selection
        1. 8.1.1.1 Legacy Chip Capacitor Selection
        2. 8.1.1.2 New Chip Capacitor Selection
          1. 8.1.1.2.1 Output Capacitor
          2. 8.1.1.2.2 Input Capacitor
      2. 8.1.2 Dropout Voltage
      3. 8.1.3 Reverse Current
      4. 8.1.4 Power Dissipation (PD)
        1. 8.1.4.1 Thermal Performance Versus Copper Area
        2. 8.1.4.2 Power Dissipation Versus Ambient Temperature
      5. 8.1.5 Estimating Junction Temperature
      6. 8.1.6 Setting the Adjustable Power-Good Reset Delay
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input Capacitor
        2. 8.2.2.2 Output Capacitor
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Examples
  10. Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Device Nomenclature
      2. 9.1.2 Development Support
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
MIN TYP MAX UNIT
VIN Input voltage range (for legacy chip) 5.5 42 V
Input voltage range (for new chip) 3 40
VOUT Output voltage 5.0 V
IOUT Output current range (for new chip) 0 500 mA
VDELAY Delay pin voltage, power-good adjustable threshold (for new chip) 0 5.5 V
VRESET Reset (power-good) output pin (for new chip) 0 18
COUT Output capacitor (for legacy chip) 22 µF
Output capacitor (for new chip) (2) 2.2 220
ESR Output capacitor ESR requirements (for legacy chip) 0.001 5 Ω
Output capacitor ESR requirements (for new chip) 0.001 2
CIN Input capacitor (for new chip)(1) 0.1 1 µF
CDELAY Power-good delay capacitor (for new chip) 1 µF
TJ Operating junction temperature –40 150 °C
For robust EMI performance the minimum input capacitance is 500 nF.
Effective output capacitance of 1 µF minimum required for stability.