SLVSG41 January   2022 TPS7H4003-SEP

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  VIN and Power VIN Pins (VIN and PVIN)
      2. 7.3.2  Voltage Reference
      3. 7.3.3  Adjusting the Output Voltage
      4. 7.3.4  Safe Start-Up Into Prebiased Outputs
      5. 7.3.5  Error Amplifier
      6. 7.3.6  Enable and Adjust UVLO
      7. 7.3.7  Adjustable Switching Frequency and Synchronization (SYNC)
        1. 7.3.7.1 Internal Oscillator Mode
        2. 7.3.7.2 External Synchronization Mode
        3. 7.3.7.3 Primary-Secondary Operation Mode
      8. 7.3.8  Soft-Start (SS/TR)
      9. 7.3.9  Power Good (PWRGD)
      10. 7.3.10 Sequencing
      11. 7.3.11 Output Overvoltage Protection (OVP)
      12. 7.3.12 Overcurrent Protection
        1. 7.3.12.1 High-Side MOSFET Overcurrent Protection
        2. 7.3.12.2 Low-Side MOSFET Overcurrent Protection
      13. 7.3.13 Thermal Shutdown
      14. 7.3.14 Turn-On Behavior
      15. 7.3.15 Slope Compensation
        1. 7.3.15.1 Slope Compensation Requirements
      16. 7.3.16 Small Signal Model for Frequency Compensation
    4. 7.4 Device Functional Modes
      1. 7.4.1 Fixed-Frequency PWM Control
  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 Operating Frequency
        2. 8.2.2.2 Output Inductor Selection
        3. 8.2.2.3 Output Capacitor Selection
        4. 8.2.2.4 Output Schottky Diode
        5. 8.2.2.5 Input Capacitor Selection
        6. 8.2.2.6 Soft-Start Capacitor Selection
        7. 8.2.2.7 Undervoltage Lockout (UVLO) Set Point
        8. 8.2.2.8 Output Voltage Feedback Resistor Selection
          1. 8.2.2.8.1 Minimum Output Voltage
        9. 8.2.2.9 Compensation Component Selection
      3. 8.2.3 Parallel Operation
      4. 8.2.4 Application Curve
  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)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Typical Characteristics

Output inductor of L = 10 μH (part number XAL1510-103MED) was used for all 100-kHz efficiency measurements. For 500-kHz and 1-MHz efficiency measurements, output inductor of L = 1 μH (XAL1580-102MED) was used.

Figure 6-1 Internal VREF Initial Tolerance
Figure 6-3 Internal Frequency Variation
Figure 6-5 Enable Hysteresis Current Variation
Figure 6-7 Enable Threshold Rising Variation
Figure 6-9 VIN Non-Switching Current Variation
Figure 6-11 SS/TR to VSENSE Matching Variation
Figure 6-13 Low-Side Sourcing Current Limit Variation
Figure 6-15 Low-Side Switch Resistance Variation
VOUT = 1 V, fsw = 100 kHz
Figure 6-17 Efficiency for VIN = 3.3 V
VOUT = 1.8 V, fsw = 100 kHz
Figure 6-19 Efficiency for VIN = 5 V
VOUT = 1 V, fsw = 500 kHz
Figure 6-21 Efficiency for VIN = 3 V
VOUT = 1.8 V, fsw = 500 kHz
Figure 6-23 Efficiency for VIN = 3 V
VOUT = 1 V, fsw = 500 kHz
Figure 6-25 Efficiency for VIN = 5 V
VOUT = 1.8 V, fsw = 500 kHz
Figure 6-27 Efficiency for VIN = 5 V
VOUT = 3.3 V, fsw = 500 kHz
Figure 6-29 Efficiency for VIN = 5 V
VOUT = 1.5 V, fsw = 500 kHz
Figure 6-31 Efficiency for VIN = 7 V
VOUT = 2.5 V, fsw = 500 kHz
Figure 6-33 Efficiency for VIN = 7 V
VOUT = 1 V, fsw = 1 MHz
Figure 6-35 Efficiency for VIN = 3 V
VOUT = 1.8 V, fsw = 1 MHz
Figure 6-37 Efficiency for VIN = 3 V
VOUT = 1 V, fsw = 1 MHz
Figure 6-39 Efficiency for VIN = 5 V
VOUT = 1.8 V, fsw = 1 MHz
Figure 6-41 Efficiency for VIN = 5 V
VOUT = 3.3 V, fsw = 1 MHz
Figure 6-43 Efficiency for VIN = 5 V
VOUT = 2.5 V, fsw = 1 MHz
Figure 6-45 Efficiency for VIN = 7 V
VOUT = 1 V, fsw = 100 kHz, 500 kHz, 1 MHz
Figure 6-47 Efficiency for VIN = 5 V
Figure 6-2 Internal VREF Variation
Figure 6-4 VIN Shutdown Supply Current Variation
Figure 6-6 Enable Input Current Variation
Figure 6-8 Enable Threshold Falling Variation
Figure 6-10 SS Charge Current Variation
Figure 6-12 High-Side Current Limit Variation
Figure 6-14 Low-Side Sinking Current Limit Variation
Figure 6-16 High-Side Switch Resistance Variation
VOUT = 1 V, fsw = 100 kHz
Figure 6-18 Efficiency for VIN = 5 V
VOUT = 2.5 V, fsw = 100 kHz
Figure 6-20 Efficiency for VIN = 5 V
VOUT = 1.5 V, fsw = 500 kHz
Figure 6-22 Efficiency for VIN = 3 V
VOUT = 2.5 V, fsw = 500 kHz
Figure 6-24 Efficiency for VIN = 3 V
VOUT = 1.5 V, fsw = 500 kHz
Figure 6-26 Efficiency for VIN = 5 V
VOUT = 2.5 V, fsw = 500 kHz
Figure 6-28 Efficiency for VIN = 5 V
VOUT = 1 V, fsw = 500 kHz
Figure 6-30 Efficiency for VIN = 7 V
VOUT = 1.8 V, fsw = 500 kHz
Figure 6-32 Efficiency for VIN = 7 V
VOUT = 3.3 V, fsw = 500 kHz
Figure 6-34 Efficiency for VIN = 7 V
VOUT = 1.5 V, fsw = 1 MHz
Figure 6-36 Efficiency for VIN = 3 V
VOUT = 2.5 V, fsw = 1 MHz
Figure 6-38 Efficiency for VIN = 3 V
VOUT = 1.5 V, fsw = 1 MHz
Figure 6-40 Efficiency for VIN = 5 V
VOUT = 2.5 V, fsw = 1 MHz
Figure 6-42 Efficiency for VIN = 5 V
VOUT = 1.8 V, fsw = 1 MHz
Figure 6-44 Efficiency for VIN = 7 V
VOUT = 3.3 V, fsw = 1 MHz
Figure 6-46 Efficiency for VIN = 7 V