SLVSF07 July   2021 TPS7H5001-SP

ADVANCE INFORMATION  

  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  VIN and VLDO
      2. 7.3.2  Startup
      3. 7.3.3  Enable and Undervoltage Lockout (UVLO)
      4. 7.3.4  Voltage Reference
      5. 7.3.5  Error Amplifier
      6. 7.3.6  Output Voltage Programming
      7. 7.3.7  Soft-Start (SS)
      8. 7.3.8  Switching Frequency and External Synchronization
        1. 7.3.8.1 Internal Oscillator Mode
        2. 7.3.8.2 External Synchronization Mode
        3. 7.3.8.3 Primary-Secondary Mode
      9. 7.3.9  Primary Switching Outputs (OUTA and OUTB)
      10. 7.3.10 Synchronous Rectifier Outputs (SRA and SRB)
      11. 7.3.11 Dead Time and Leading Edge Blank Time Programmability (PS, SP, and LEB)
      12. 7.3.12 Pulse Skipping
      13. 7.3.13 Duty Cycle Programmability
      14. 7.3.14 Current Sense and PWM Generation (CS_ILIM)
      15. 7.3.15 Hiccup Mode Operation (HICC)
      16. 7.3.16 External Fault Protection (FAULT)
      17. 7.3.17 Slope Compensation (RSC)
      18. 7.3.18 Frequency Compensation
      19. 7.3.19 Thermal Shutdown
    4. 7.4 Device Functional Modes
  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 Programming Resistors
        3. 8.2.2.3  Dead Time
        4. 8.2.2.4  Leading Edge Blank Time
        5. 8.2.2.5  Soft-Start Capacitor
        6. 8.2.2.6  Transformer
        7. 8.2.2.7  Main Switching FETs
        8. 8.2.2.8  Synchronous Rectificier FETs
        9. 8.2.2.9  RCD Clamp
        10. 8.2.2.10 Output Inductor
        11. 8.2.2.11 Output Capacitance and Filter
        12. 8.2.2.12 Sense Resistor
        13. 8.2.2.13 Hiccup Capacitor
        14. 8.2.2.14 Frequency Compensation Components
        15. 8.2.2.15 Slope Compensation Resistor
      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 Documentation Support
      1. 11.1.1 Related Documentation
    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)
  • HFT|22
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Typical Characteristics

VIN = 5 V
Figure 6-1 Operating Current Variation
VIN = 4 V to 5 V
Figure 6-3 Standby Current Variation
Figure 6-5 VLDO UVLO Rising Variation
Figure 6-7 Enable Threshold Rising Variation
VIN = 4 V to 5 V
Figure 6-9 Soft-Start Current Variation
VIN = 4 V to 5 V
Temp. = –55°C
Figure 6-11 Voltage Reference Variation
VIN = 4 V to 5 V
Temp. = 25°C
Figure 6-13 Voltage Reference Variation
VIN = 4 V to 5 V
Temp. = 125°C
Figure 6-15 Voltage Reference Variation
VIN = 4 V to 5 V
Figure 6-17 Current Limit Threshold Variation
VIN = 4 V to 5 V
RT = 1.07 MΩ
Figure 6-19 Externally Set Frequency Variation
VIN = 4 V to 5 V
RT = 511 kΩ
Figure 6-21 Externally Set Frequency Variation
VIN = 4 V to 5 V
RT = 90.9 kΩ
Figure 6-23 Externally Set Frequency Variation
VIN = 4 V to 5 V
RT = 34.8 kΩ
Figure 6-25 Externally Set Frequency Variation
VIN = 4 V to 5 V
Figure 6-27 Hiccup Delay Current Variation
VIN = 4 V to 5 V
Figure 6-29 Hiccup Restart Current Variation
Figure 6-31 FAULT Threshold Rising Variation
VIN = 4 V to 5 V
RT = 10 kΩ
Figure 6-33 Leading Edge Blank Time Variation
VIN = 4 V to 5 V
RT = 49.9 kΩ
Figure 6-35 Leading Edge Blank Time Variation
VIN = 4 V to 5 V
RT = 100 kΩ
Figure 6-37 Leading Edge Blank Time Variation
VIN = 4 V to 5 V
RT = Floating
Figure 6-39 PS Dead Time Variation
VIN = 4 V to 5 V
RT = 49.9 kΩ
Figure 6-41 PS Dead Time Variation
VIN = 4 V to 5 V
RT = 100 kΩ
Figure 6-43 PS Dead Time Variation
VIN = 4 V to 5 V
RT = Floating
Figure 6-45 SP Dead Time Variation
VIN = 4 V to 5 V
RT = 49.9 kΩ
Figure 6-47 SP Dead Time Variation
VIN = 4 V to 5 V
RT = 100 kΩ
Figure 6-49 SP Dead Time Variation
VIN = 4 V to 5 V
Figure 6-51 Output Rise Time Variation
VIN = 4 V to 5 V
Figure 6-53 Output Fall Time Variation
VIN = 4 V to 5 V
Figure 6-55 Output Source Resistance Variation
VIN = 4 V to 5 V
Figure 6-57 Output Sink Resistance Variation
VIN = 4 V to 5 V
RT = 1.18 MΩ
Figure 6-59 Slope Compensation Variation
VIN = 4 V to 5 V
RT = 562 kΩ
Figure 6-61 Slope Compensation Variation
VIN = 4 V to 5 V
RT = 100 kΩ
Figure 6-63 Slope Compensation Variation
VIN = 4 V to 5 V
RT = 49.9 kΩ
Figure 6-65 Slope Compensation Variation
VIN = 12 V
Figure 6-2 Operating Current Variation
VIN = 5 V to 14 V
Figure 6-4 Standby Current Variation
Figure 6-6 VLDO UVLO Falling Variation
Figure 6-8 Enable Threshold Falling Variation
VIN = 5 V to 14 V
Figure 6-10 Soft-Start Current Variation
VIN = 5 V to 14 V
Temp. = –55°C
Figure 6-12 Voltage Reference Variation
VIN = 5 V to 14 V
Temp. = 25°C
Figure 6-14 Voltage Reference Variation
VIN = 5 V to 14 V
Temp. = 125°C
Figure 6-16 Voltage Reference Variation
VIN = 5 V to 14 V
Figure 6-18 Current Limit Theshold Variation
VIN = 5 V to 14 V
RT = 1.07 MΩ
Figure 6-20 Externally Set Frequency Variation
VIN = 5 V to 14 V
RT = 511 kΩ
Figure 6-22 Externally Set Frequency Variation
VIN = 5 V to 14 V
RT = 90.9 kΩ
Figure 6-24 Externally Set Frequency Variation
VIN = 5 V to 14 V
RT = 34.8 kΩ
Figure 6-26 Externally Set Frequency Variation
VIN = 5 V to 14 V
Figure 6-28 Hiccup Delay Current Variation
VIN = 5 V to 14 V
Figure 6-30 Hiccup Restart Current Variation
Figure 6-32 FAULT Threshold Falling Variation
VIN = 5 V to 14 V
RT = 10 kΩ
Figure 6-34 Leading Edge Blank Time Variation
VIN = 5 V to 14 V
RT = 49.9 kΩ
Figure 6-36 Leading Edge Blank Time Variation
VIN = 5 V to 14 V
RT = 100 kΩ
Figure 6-38 Leading Edge Blank Time Variation
VIN = 5 V to 14 V
RT = Floating
Figure 6-40 PS Dead Time Variation
VIN = 5 V to 14 V
RT = 49.9 kΩ
Figure 6-42 PS Dead Time Variation
VIN = 5 V to 14 V
RT = 100 kΩ
Figure 6-44 PS Dead Time Variation
VIN = 5 V to 14 V
RT = Floating
Figure 6-46 SP Dead Time Variation
VIN = 5 V to 14 V
RT = 49.9 kΩ
Figure 6-48 SP Dead Time Variation
VIN = 5 V to 14 V
RT = 100 kΩ
Figure 6-50 SP Dead Time Variation
VIN = 5 V to 14 V
Figure 6-52 Output Rise Time Variation
VIN = 5 V to 14 V
Figure 6-54 Output Fall Time Variation
VIN = 5 V to 14 V
Figure 6-56 Output Source Resistance Variation
VIN = 5 V to 14 V
Figure 6-58 Output Sink Resistance Variation
VIN = 5 V to 14 V
RT = 1.18 MΩ
Figure 6-60 Slope Compensation Variation
VIN = 5 V to 14 V
RT = 562 kΩ
Figure 6-62 Slope Compensation Variation
VIN = 5 V to 14 V
RT = 100 kΩ
Figure 6-64 Slope Compensation Variation
VIN = 5 V to 14 V
RT = 49.9 kΩ
Figure 6-66 Slope Compensation Variation