SLVSH28A december   2022  – april 2023 TPS552892

PRODUCTION DATA  

  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. 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  VCC Power Supply
      2. 7.3.2  EXTVCC Power Supply
      3. 7.3.3  Input Undervoltage Lockout
      4. 7.3.4  Enable and Programmable UVLO
      5. 7.3.5  Soft Start
      6. 7.3.6  Shutdown
      7. 7.3.7  Switching Frequency
      8. 7.3.8  Switching Frequency Dithering
      9. 7.3.9  Inductor Current Limit
      10. 7.3.10 Internal Charge Path
      11. 7.3.11 Output Voltage Setting
      12. 7.3.12 Output Current Monitoring and Cable Voltage Droop Compensation
      13. 7.3.13 Output Current Limit
      14. 7.3.14 Overvoltage Protection
      15. 7.3.15 Output Short Circuit Protection
      16. 7.3.16 Power Good
      17. 7.3.17 Constant Current Output Indication
      18. 7.3.18 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 PWM Mode
      2. 7.4.2 Power Save Mode
  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 Switching Frequency
        2. 8.2.2.2 Output Voltage Setting
        3. 8.2.2.3 Inductor Selection
        4. 8.2.2.4 Input Capacitor
        5. 8.2.2.5 Output Capacitor
        6. 8.2.2.6 Output Current Limit
        7. 8.2.2.7 Loop Stability
      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 Example
  9. Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

VIN = 12 V, TA = 25°C, fSW = 400 kHz, unless otherwise noted
VIN = 12 V, TA = 25°C, fSW = 400 kHz, unless otherwise notedGUID-20220228-SS0I-DV1V-KCJ9-5CNRCMQJNR1C-low.svgFigure 6-1 Efficiency vs Output Current,
VOUT = 5 V, FPWM.
VIN = 12 V, TA = 25°C, fSW = 400 kHz, unless otherwise noted
GUID-20220228-SS0I-R4S2-XLBC-C7MLDDH9QXBF-low.svgFigure 6-3 Efficiency vs Output Current,
VOUT = 9 V, FPWM
GUID-20220302-SS0I-JF8Q-Q2VQ-093MWJJ7141G-low.svgFigure 6-5 Efficiency vs Output Current,
VOUT = 12 V, FPWM
GUID-20220228-SS0I-5D6T-LBHB-4DLK15S3BFPX-low.svgFigure 6-7 Efficiency vs Output Current,
VOUT = 15 V, FPWM
GUID-20220228-SS0I-0LCD-GMHN-PRTNNHW7JFQ4-low.svgFigure 6-9 Efficiency vs Output Current,
VOUT = 20 V, FPWM
GUID-20230417-SS0I-TSLZ-KL7M-ND1SXMVHZZQH-low.svgFigure 6-11 Switching Frequency vs Setting Resistance
GUID-20230417-SS0I-LGKW-NJCD-91VTGRLCB0HH-low.svgFigure 6-13 Quiescent Current vs Temperature
GUID-20230417-SS0I-JQB3-RVDC-C4ML2SVQJRNV-low.svgFigure 6-15 ENABLE/UVLO Rising Threshold vs Temperature
GUID-20220321-SS0I-KGTN-LP7M-CQJ3JGXJKC1N-low.svgFigure 6-17 CDC Voltage vs Output Current with RSENSE = 10 mΩ
GUID-20220228-SS0I-2FPW-GTK3-DRB4N8QWC75X-low.svgFigure 6-2 Efficiency vs Output Current,
VOUT = 5 V, PFM
GUID-20220228-SS0I-KL5V-ZBNN-JG4P7W72MK9J-low.svgFigure 6-4 Efficiency vs Output Current,
VOUT = 9 V, PFM
GUID-20220302-SS0I-Z4PS-QJWV-0JGQXRKBJVMJ-low.svgFigure 6-6 Efficiency vs Output Current,
VOUT = 12 V, PFM
GUID-20220228-SS0I-PPP2-RWZQ-8ZZ7CJ2LWP94-low.svgFigure 6-8 Efficiency vs Output Current,
VOUT = 15 V, PFM
GUID-20220228-SS0I-CW0H-VLWC-GJTCNQBXVNBC-low.svgFigure 6-10 Efficiency vs Output Current,
VOUT = 20 V, PFM
GUID-20230417-SS0I-P6DW-M3GQ-0L02TRKWSHJJ-low.svgFigure 6-12 Reference Voltage vs Temperature (VREF = 1.2 V)
GUID-20230417-SS0I-H2TN-TPFB-NL9XZ2R3H6MF-low.svgFigure 6-14 Shutdown Current vs Temperature
GUID-20230417-SS0I-6LPK-X9F2-4LJHFJD5FBL0-low.svgFigure 6-16 Switching Frequency vs Temperature