SLVSEN7D april   2019  – may 2023 TPS7H4001-SP

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Device Options Table
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics - All Devices
    6. 7.6  Electrical Characteristics: CDFP and KGD Options
    7. 7.7  Electrical Characteristics: HTSSOP (SHP) Option
    8. 7.8  Electrical Characteristics: HTSSOP (QMLP) Option
    9. 7.9  Quality Conformance Inspection
    10. 7.10 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  VIN and Power VIN Pins (VIN and PVIN)
      2. 8.3.2  Voltage Reference
      3. 8.3.3  Adjusting the Output Voltage
      4. 8.3.4  Safe Start-Up Into Prebiased Outputs
      5. 8.3.5  Error Amplifier
      6. 8.3.6  Enable and Adjust UVLO
      7. 8.3.7  Adjustable Switching Frequency and Synchronization (SYNC)
        1. 8.3.7.1 Internal Oscillator Mode
        2. 8.3.7.2 External Synchronization Mode
        3. 8.3.7.3 Primary-Secondary Operation Mode
      8. 8.3.8  Soft-Start (SS/TR)
      9. 8.3.9  Power Good (PWRGD)
      10. 8.3.10 Sequencing
      11. 8.3.11 Output Overvoltage Protection (OVP)
      12. 8.3.12 Overcurrent Protection
        1. 8.3.12.1 High-Side MOSFET Overcurrent Protection
        2. 8.3.12.2 Low-Side MOSFET Overcurrent Protection
      13. 8.3.13 Thermal Shutdown
      14. 8.3.14 Turn-On Behavior
      15. 8.3.15 Slope Compensation
        1. 8.3.15.1 Slope Compensation Requirements
      16. 8.3.16 Small Signal Model for Frequency Compensation
    4. 8.4 Device Functional Modes
      1. 8.4.1 Fixed-Frequency PWM Control
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Operating Frequency
        2. 9.2.2.2 Output Inductor Selection
        3. 9.2.2.3 Output Capacitor Selection
        4. 9.2.2.4 Input Capacitor Selection
        5. 9.2.2.5 Soft-Start Capacitor Selection
        6. 9.2.2.6 Undervoltage Lockout (UVLO) Set Point
        7. 9.2.2.7 Output Voltage Feedback Resistor Selection
          1. 9.2.2.7.1 Minimum Output Voltage
        8. 9.2.2.8 Compensation Component Selection
      3. 9.2.3 Parallel Operation
      4. 9.2.4 Application Curve
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Mechanical, Packaging, and Orderable Information

7.6 Electrical Characteristics: CDFP and KGD Options

TJ = –55°C to 125°C, VIN = PVIN = 3 V to 7 V (unless otherwise noted)
PARAMETER TEST CONDITIONS SUBGROUP(1) MIN TYP MAX UNIT
VOLTAGE REFERENCE
Internal voltage reference initial tolerance 0 A ≤ Iout ≤ 18 A, 25°C 0 A ≤ Iout ≤ 18 A, 25°C 1 0.599 0.605 0.612 V
Internal voltage reference 0 A ≤ Iout ≤ 18 A –55°C 3 0.595 0.602 0.609 V
125°C 2 0.600 0.607 0.613
REFCAP voltage REFCAP = 470 nF 1, 2, 3 1.191 1.209 1.226 V
MOSFET
High-side switch resistance(2) PVIN = VIN = 3 V, lead length = 3 mm –55°C 3 16 22 mΩ
25°C 1 22 25
125°C 2 30 34
PVIN = VIN = 5 V, lead length = 3 mm –55°C 3 14 19
25°C 1 20 22
125°C 2 27 30
PVIN = VIN = 7 V, lead length = 3 mm(3) –55°C 3 13 18
25°C 1 17 21
125°C 2 23 28
Low-side switch resistance(2) PVIN = VIN = 3 V, lead length = 3 mm –55°C 3 8 11 mΩ
25°C 1 9 12
125°C 2 14 18
PVIN = VIN = 5 V, lead length = 3 mm –55°C 3 7 10
25°C 1 9 11
125°C 2 13 17
PVIN = VIN = 7 V, lead length = 3 mm(3) –55°C 3 5 7
25°C 1 8 10
125°C 2 13 15
OVERCURRENT PROTECTION
High-side switch current limit threshold(3) VIN = 7 V 1, 2, 3 25 32 A
Low-side switch sourcing overcurrent threshold(3) VIN = 7 V 1, 2, 3 21 29 37 A
Low-side switch sinking overcurrent threshold(3) VIN = 7 V 1, 2, 3 4.5 6 A
(1) For subgroup definitions, see Quality Conformance Inspection table.
(2) Measured at pins
(3) Bench verified.  Not tested in production.