SLVS561O December   2004  – June 2025 TLV1117

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 (Legacy Chip)
    5. 5.5 Thermal Information (New Chip)
    6. 5.6 Electrical Characteristics
    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 Dropout Voltage (Fixed Output, New Chip)
      2. 6.3.2 Foldback Current Limit (Fixed Output, New Chip)
      3. 6.3.3 Undervoltage Lockout (Fixed Output, New Chip)
      4. 6.3.4 Thermal Shutdown (Fixed Output, New Chip)
      5. 6.3.5 Load Regulation (Adjustable Output, New Chip)
    4. 6.4 Device Functional Modes
      1. 6.4.1 Device Functional Mode Comparison (Fixed Output, New Chip)
      2. 6.4.2 Normal Operation (Fixed Output)
      3. 6.4.3 Dropout Operation (Fixed Output, New Chip)
      4. 6.4.4 Protection Diodes (Adjustable Output, New Chip)
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Recommended Capacitor Types (Fixed Output, New Chip)
      2. 7.1.2 Input and Output Capacitor Requirements (Fixed Output, New Chip)
      3. 7.1.3 Reverse Current (Fixed Output, New Chip)
      4. 7.1.4 Power Dissipation (Fixed Output, New Chip)
      5. 7.1.5 Estimating Junction Temperature (Fixed Output, New Chip)
    2. 7.2 Typical Application (Adjustable Output)
      1. 7.2.1 Design Requirements (Adjustable Output)
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Detailed Design Procedure (Fixed Output, New Chip)
        2. 7.2.2.2 Detailed Design Procedure (Adjustable Output)
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      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 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

7.2.1 Design Requirements (Adjustable Output)

The bullets in this section are in reference to Figure 7-2.

  • Note A: Output capacitor selection is critical for regulator stability. Larger COUT values benefit the regulator by improving transient response and loop stability. This device is designed to be stable with tantalum and aluminum electrolytic output capacitors with an ESR between 0.2Ω and 10Ω.
  • Note B: Use CADJ to improve ripple rejection. If CADJ is used, a make sure to use a COUT that is larger in value than CADJ.
  • Note C: Use CIN if the TLV1117 is not located near the power-supply filter.
  • Note D: Use an external diode to protect the regulator if the input is instantaneously shorted to GND.