SLVSC95A April   2017  – September 2020 TPS561201 , TPS561208

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Adaptive On-Time Control and PWM Operation
      2. 7.3.2 Pulse Skip Control (TPS561201)
      3. 7.3.3 Soft Start and Pre-Biased Soft Start
      4. 7.3.4 Current Protection
      5. 7.3.5 Undervoltage Lockout (UVLO) Protection
      6. 7.3.6 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Eco-mode Operation
      3. 7.4.3 Standby Operation
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Output Voltage Resistors Selection
        3. 8.2.2.3 Output Filter Selection
        4. 8.2.2.4 Input Capacitor Selection
        5. 8.2.2.5 Bootstrap Capacitor Selection
      3. 8.2.3 Application Curves
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Typical Characteristics

VIN = 12 V (unless otherwise noted)
VIN = 12 V (unless otherwise noted)GUID-FE4083B3-3681-40D4-B9CA-180E178CC0B7-low.gifFigure 6-1 TPS561201 Supply Current vs Junction Temperature. VIN = 12 V (unless otherwise noted)
GUID-75ADC28D-6E3E-4453-A28F-778576379F98-low.gifFigure 6-3 EN Pin UVLO Low Voltage vs Junction Temperature
GUID-1BDA0F38-1755-4DC2-9EE0-A7D22BF6F538-low.pngFigure 6-5 High-Side Rds-on vs Junction Temperature
GUID-58E742D1-44D7-49EA-86ED-9EC8D8C534F4-low.gif
Iout = 10 mA
Figure 6-7 TPS561208 Switching Frequency vs Input Voltage
GUID-5AD066DA-F2C1-4F4C-A146-82BF8337C377-low.gifFigure 6-9 TPS561201 VOUT = 1.05 V, Efficiency, L = 2.2 µH
GUID-A39A748B-4E09-419C-9A4F-022718A66D83-low.gifFigure 6-11 TPS561201 VOUT = 3.3 V, Efficiency, L = 3.3 µH
GUID-AA2CFD84-EDBC-4F0A-B6CB-39588FEFDEB5-low.gifFigure 6-13 TPS561208 VOUT = 1.05 V, Efficiency, L = 2.2 µH
GUID-D247BC7C-2977-4DCA-8518-5ED391AD8C03-low.gifFigure 6-15 TPS561208 VOUT = 3.3 V, Efficiency, L = 3.3 µH
GUID-2B4B502B-9CF9-4E14-B712-C04EA35C20FF-low.gifFigure 6-2 VFB Voltage vs Junction Temperature
GUID-C2EA4A0C-FFCD-4F16-8934-CCE4284C433A-low.gifFigure 6-4 EN Pin UVLO High Voltage vs Junction Temperature
GUID-6BAEB563-246C-4A7F-8E94-0AE0CC0E7249-low.pngFigure 6-6 Low-Side Rds-on vs Junction Temperature
GUID-F3A41166-3266-44B9-A954-3313EB791177-low.gif
VIN = 12 V
Figure 6-8 TPS561201 Switching Frequency vs Output Current
GUID-3B04E1E0-8065-4588-A31A-7226896B17CC-low.gifFigure 6-10 TPS561201 VOUT = 1.5 V, Efficiency, L = 2.2 µH
GUID-80F6D00E-9B95-48B1-B2CD-CB3E963E5ED1-low.gifFigure 6-12 TPS561201 VOUT = 5 V, Efficiency, L = 4.7 µH
GUID-117AEE1F-5B72-4D97-A59F-12EB5804C3F5-low.gifFigure 6-14 TPS561208 VOUT = 1.5 V, Efficiency, L = 2.2 µH
GUID-F0E09400-D4D8-4514-AF4F-0F0B90DBC99C-low.gifFigure 6-16 TPS561208 VOUT = 5 V, Efficiency, L = 4.7 µH