SLVSHP0 July   2024 TLVM14404 , TLVM14406

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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 System Characteristics
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Input Voltage Range (VIN1, VIN2)
      2. 7.3.2  Enable EN Pin and Use as VIN UVLO
      3. 7.3.3  CONFIG Device Configuration Pin
      4. 7.3.4  Adjustable Switching Frequency
      5. 7.3.5  Adjustable Output Voltage (FB)
      6. 7.3.6  Input Capacitors
      7. 7.3.7  Output Capacitors
      8. 7.3.8  Power-Good Output Voltage Monitoring
      9. 7.3.9  Bias Supply Regulator (VCC, VOSNS)
      10. 7.3.10 Overcurrent Protection (OCP)
      11. 7.3.11 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Standby Mode
      3. 7.4.3 Active Mode
  9. 8 Applications and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Design 1 – High-efficiency, Dual Output 5V at 3A, 3.3V at 3A, Synchronous Buck Regulator
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 8.2.1.2.2 Output Voltage Setpoint
          3. 8.2.1.2.3 Switching Frequency Selection
          4. 8.2.1.2.4 Input Capacitor Selection
          5. 8.2.1.2.5 Output Capacitor Selection
          6. 8.2.1.2.6 Other Considerations
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Design 2 – High-efficiency, 6A, Synchronous Buck Regulator for Industrial Applications
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Output Voltage Setpoint
          2. 8.2.2.2.2 Switching Frequency Selection
          3. 8.2.2.2.3 Input Capacitor Selection
          4. 8.2.2.2.4 Output Capacitor Selection
          5. 8.2.2.2.5 Other Connections
        3. 8.2.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
        1. 8.4.1.1 Thermal Design and Layout
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
      2. 9.1.2 Development Support
        1. 9.1.2.1 Custom Design With WEBENCH® Tools
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

8.2.1.3 Application Curves

Efficiency and Load Regulation Performance

Unless otherwise indicated, VIN = 12V, VOUT1 = 5V, VOUT2 = 3.3V, IOUT1 = 3A, IOUT2 = 3A and fSW = 1MHz.
TLVM14404 TLVM14406 Efficiency, VOUT = 5V
PFM Mode, FSW = 1MHz
Figure 8-2 Efficiency, VOUT = 5V
TLVM14404 TLVM14406 Load Regulation, VOUT = 5V, PFM ModeFigure 8-4 Load Regulation, VOUT = 5V, PFM Mode
TLVM14404 TLVM14406 Efficiency, VOUT = 3.3V
PFM Mode, FSW = 1MHz
Figure 8-3 Efficiency, VOUT = 3.3V
TLVM14404 TLVM14406 Load Regulation, VOUT = 3.3V, PFM ModeFigure 8-5 Load Regulation, VOUT = 3.3V, PFM Mode

Waveforms and Plots

TLVM14404 TLVM14406 Start-up and Shutdown, VOUT1 = 5VFigure 8-6 Start-up and Shutdown, VOUT1 = 5V
TLVM14404 TLVM14406 Enable ON and OFF, VOUT1 = 5V
VIN = 24V
Figure 8-8 Enable ON and OFF, VOUT1 = 5V
TLVM14404 TLVM14406 Load Transient Rising (CH1)
VOUT1 = 5V, IOUT1 = 3A to 6A at 1A/µs
Figure 8-10 Load Transient Rising (CH1)
TLVM14404 TLVM14406 Load Transient Rising (CH2)
VOUT2 = 3.3V, IOUT2 = 1.5A to 3A at 1A/µs
Figure 8-12 Load Transient Rising (CH2)
TLVM14404 TLVM14406 Bode Plot (CH1)Figure 8-14 Bode Plot (CH1)
TLVM14404 TLVM14406 Start-up and Shutdown, VOUT2 = 3.3VFigure 8-7 Start-up and Shutdown, VOUT2 = 3.3V
TLVM14404 TLVM14406 Enable ON and OFF, VOUT2 = 3.3V
VIN = 24V
Figure 8-9 Enable ON and OFF, VOUT2 = 3.3V
TLVM14404 TLVM14406 Load Transient Falling (CH1)
VOUT1 = 5V, IOUT1 = 6A to 3A at 1A/µs
Figure 8-11 Load Transient Falling (CH1)
TLVM14404 TLVM14406 Load Transient Falling (CH2)
VOUT2 = 3.3V, IOUT2 = 3A to 1.5A at 1A/µs
Figure 8-13 Load Transient Falling (CH2)
TLVM14404 TLVM14406 Bode Plot (CH2)Figure 8-15 Bode Plot (CH2)

Thermal Performance

TLVM14404 TLVM14406 Infrared Thermal Image: VIN = 12V
VOUT1 = 5V, VOUT2 = 3.3V, IOUT1 = 3A, IOUT2 = 3A, FSW = 1MHz
Figure 8-16 Infrared Thermal Image: VIN = 12V
TLVM14404 TLVM14406 Infrared Thermal Image: VIN = 36V
VOUT1 = 5V, VOUT2 = 3.3V, IOUT1 = 3A, IOUT2 = 3A, FSW = 1MHz
Figure 8-17 Infrared Thermal Image: VIN = 36V

EMI Performance

TLVM14404 TLVM14406 CISPR 11/32 Class B Conducted Emissions: VIN = 12V
VOUT1 = 5V, VOUT2 = 3.3V, IOUT1 = 3A, IOUT2 = 3A, FSW = 1MHz
Figure 8-18 CISPR 11/32 Class B Conducted Emissions: VIN = 12V
TLVM14404 TLVM14406 CISPR 11/32 Class B Radiated Emissions: VIN = 24V
VOUT = 5V, VOUT2 = 3.3V, IOUT1 = 3A, IOUT2 = 3A, FSW = 1MHz
Figure 8-20 CISPR 11/32 Class B Radiated Emissions: VIN = 24V
TLVM14404 TLVM14406 CISPR 11/32 Class B Conducted Emissions: VIN = 24V
VOUT = 5V, VOUT2 = 3.3V, IOUT1 = 3A, IOUT2 = 3A, FSW = 1MHz
Figure 8-19 CISPR 11/32 Class B Conducted Emissions: VIN = 24V