SLVSC55C August   2013  – November 2021 TPS62090-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Enable and Disable (EN)
      2. 7.3.2  Soft Start (SS) and Hiccup Current Limit During Start-Up
      3. 7.3.3  Voltage Tracking (SS)
      4. 7.3.4  Short-Circuit Protection (Hiccup Mode)
      5. 7.3.5  Output Discharge Function
      6. 7.3.6  Power Good Output (PG)
      7. 7.3.7  Frequency Set Pin (FREQ)
      8. 7.3.8  Undervoltage Lockout (UVLO)
      9. 7.3.9  Thermal Shutdown
      10. 7.3.10 Charge Pump (CP, CN)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Pulse Width Modulation Operation
      2. 7.4.2 Power Save Mode Operation
      3. 7.4.3 Low-Dropout Operation (100% Duty Cycle)
  8. 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 Inductor Selection
        2. 8.2.2.2 Input and Output Capacitor Selection
        3. 8.2.2.3 Setting the Output Voltage
      3. 8.2.3 Application Curves
    3. 8.3 System Examples
  9. 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 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

8.2.3 Application Curves

GUID-352D026D-5029-47FB-8661-4AFF66943117-low.pngFigure 8-2 Efficiency vs Load Current
GUID-A38D8A37-EA3A-427D-A42C-77487D947E78-low.pngFigure 8-4 Efficiency vs Load Current
GUID-9517FFA0-A88B-407A-A00E-993A954088DC-low.pngFigure 8-6 Efficiency vs Load Current
GUID-E872B1DF-6AA7-49CD-B400-C2444BEBF973-low.pngFigure 8-8 Output Voltage vs Load Current
GUID-186D9554-6A2E-4A3D-BA60-2A1BE8BE01CE-low.gifFigure 8-10 PWM Operation
GUID-E5DB5837-07A8-48E7-B2C5-587074B576AE-low.gifFigure 8-12 PFM Operation
GUID-93E0F956-B9C5-424E-86B6-4F956F20271A-low.gifFigure 8-14 Load Sweep
GUID-2E7ED62E-3586-47D1-94C9-B86F6C2BF9D5-low.gif
VO = 1.8 V / No Loadf = 1.4 MHz / L = 1 µH
Figure 8-16 Shutdown
GUID-091CDFAA-F256-4BFA-8991-16344EDCAA13-low.gifFigure 8-18 Hiccup Short-Circuit Protection
GUID-412EB6AE-FD6C-4088-87D8-55CDB170E808-low.gifFigure 8-20 Load Transient Response
GUID-29E7737C-F061-4C29-96D4-417B28A45CF0-low.pngFigure 8-3 Efficiency vs Load Current
GUID-9A02FDF1-95CD-4E1D-BCEA-F34DA33E6020-low.pngFigure 8-5 Efficiency vs Load Current
GUID-AFC755AB-4004-44C6-B5F9-2D299D7E16EA-low.pngFigure 8-7 Efficiency vs Load Current
GUID-8C64AEEB-3502-49C9-A709-846CB5E15269-low.pngFigure 8-9 Output Voltage vs Load Current
GUID-E217CB39-A1E4-4207-9696-BAF7AE97CC7B-low.gifFigure 8-11 PFM Operation
GUID-3530D8F5-6A6C-487B-8F7C-D5D6281684A4-low.gifFigure 8-13 Load Sweep
GUID-AEE437EB-1A2E-4B72-A386-304FD74F4050-low.gif
VO = 1.8 V / 600 mAf = 2.8 MHz / L = 1 µHCSS = 10 nF
Figure 8-15 Start-Up
GUID-7B3252C3-B7D5-4F34-BB0D-43404FA24CDE-low.gifFigure 8-17 Hiccup Short-Circuit Protection
GUID-7107071F-278B-4661-9A09-04395F2B56CF-low.gifFigure 8-19 Load Transient Response
GUID-B6CBA57F-D386-4DA8-93C3-23798DF1CD43-low.gifFigure 8-21 Load Transient Response