SLVSGM3B March   2023  – January 2024 TPS56836 , TPS56837 , TPS56838

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 Typical Characteristics
  7. Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  The Adaptive On-Time Control and PWM Operation
      2. 6.3.2  Mode Selection
      3. 6.3.3  Soft Start and Pre-Biased Soft Start
      4. 6.3.4  Enable and Adjusting Undervoltage Lockout
      5. 6.3.5  Output Overcurrent Limit and Undervoltage Protection
      6. 6.3.6  Overvoltage Protection
      7. 6.3.7  UVLO Protection
      8. 6.3.8  Thermal Shutdown
      9. 6.3.9  Output Voltage Discharge
      10. 6.3.10 Power Good
      11. 6.3.11 Large Duty Operation
    4. 6.4 Device Functional Modes
      1. 6.4.1 Standby Operation
      2. 6.4.2 Eco-mode
      3. 6.4.3 Forced Continuous Conduction Mode
      4. 6.4.4 Out-of-Audio™ Mode
  8. Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Custom Design With WEBENCH® Tools
        2. 7.2.2.2 Output Voltage Resistors Selection
        3. 7.2.2.3 Output Filter Selection
        4. 7.2.2.4 Input Capacitor Selection
        5. 7.2.2.5 Bootstrap Capacitor Selection
      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. Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Custom Design With WEBENCH® Tools
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

VIN = 24V (unless otherwise noted).

GUID-20230217-SS0I-J3QW-RW2Z-65PSD37FSWK7-low.svgFigure 5-1 TPS56837 Quiescent Current vs Temperature
GUID-20230217-SS0I-SDRZ-WPGZ-BNDBF8XMPGFX-low.svgFigure 5-3 High-Side RDS(on) vs Temperature
GUID-20230217-SS0I-JZD0-R68T-R1J4XRBPTFJV-low.svgFigure 5-5 Feedback Voltage vs Temperature
GUID-20230217-SS0I-N0TH-BTSQ-BL9LM39TJXPV-low.svgFigure 5-7 EN Threshold vs Temperature
GUID-20230217-SS0I-JXN8-FJHD-4XZ0S7JWZTKT-low.svgFigure 5-9 High-side Peak Current Limit vs Temperature
GUID-20240110-SS0I-FSVS-DZMN-SVKQDMZWZ7MS-low.svgFigure 5-11 Switching Frequency vs Input Voltage, Vout = 5V, Fsw = 800kHz
GUID-20240110-SS0I-N7TP-22FW-N5DB3NCXG7DV-low.svgFigure 5-13 TPS56837 Switching Frequency vs Output Current, Vout = 5V, Fsw = 500kHz
GUID-20240110-SS0I-H6WN-RVMR-RQRBRT56VHDH-low.svgFigure 5-15 TPS56837 Switching Frequency vs Output Current, Vout = 5V, Fsw = 1200kHz
GUID-20230213-SS0I-T2MH-B1QW-GRWTQ35LCCMG-low.svgFigure 5-17 TPS56837 Efficiency, Vout = 5V, Fsw = 500kHz
GUID-20240110-SS0I-NVJW-CRH6-8RDKGJGXQTWK-low.svgFigure 5-19 TPS56837 Efficiency, Vout = 5V, Fsw = 1200kHz
GUID-20240110-SS0I-4H2B-F9RC-DZ9GCCNTNPJL-low.svgFigure 5-21 TPS56837 Efficiency, Vout = 12V, Fsw = 800kHz
GUID-20230217-SS0I-1T2S-ZPCF-TWDLCZWHGHB4-low.svgFigure 5-2 Shutdown Current vs Temperature
GUID-20230217-SS0I-96NQ-L4JN-BGZGWWZ66SXC-low.svgFigure 5-4 Low-Side RDS(on) vs Temperature
GUID-20230217-SS0I-FWWM-RVKT-D0FXC9XWZGWS-low.svgFigure 5-6 VIN UVLO vs Temperature
GUID-20230217-SS0I-3RVQ-SH8S-DRH92RNJVKHJ-low.svgFigure 5-8 Low-Side Valley Current Limit vs Temperature
GUID-20240110-SS0I-CHHL-WJ6X-SRDKBH7PCXJQ-low.svgFigure 5-10 Switching Frequency vs Input Voltage, Vout = 5V, Fsw = 500kHz
GUID-20240110-SS0I-L8J2-JXTJ-LFMPSXZHQ8W3-low.svgFigure 5-12 Switching Frequency vs Input Voltage, Vout = 5V, Fsw = 1200kHz
GUID-20240110-SS0I-VVFT-D21K-00V7SLB2NP8N-low.svgFigure 5-14 TPS56837 Switching Frequency vs Output Current, Vout = 5V, Fsw = 800kHz
GUID-20240110-SS0I-MLQF-WFNQ-5BHZCB2MRSQ4-low.svgFigure 5-16 TPS56837, TPS56838 and TPS56836 Switching Frequency vs Output Current, Vin = 24V, Vout = 5V, Fsw = 500kHz
GUID-20240110-SS0I-PCT7-WZHP-FPPQC0NGRD7J-low.svgFigure 5-18 TPS56837 Efficiency, Vout = 5V, Fsw = 800kHz
GUID-20240110-SS0I-T2GB-MXQ8-18JNFPK9R9GD-low.svgFigure 5-20 TPS56837 Efficiency, Vout = 12V, Fsw = 500kHz
GUID-20240110-SS0I-MZS0-Q2RN-5Z5BWCZ32TZB-low.svgFigure 5-22 TPS56837, TPS56838 and TPS56836 Efficiency, Vin = 24V, Vout = 5V, Fsw = 500kHz