SLVSH49 October   2024 TPSM82916

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 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. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Smart Config (S-CONF)
      2. 6.3.2  Device Enable (EN/SYNC)
      3. 6.3.3  Device Synchronization (EN/SYNC)
      4. 6.3.4  Spread Spectrum Modulation
      5. 6.3.5  Output Discharge
      6. 6.3.6  Undervoltage Lockout (UVLO)
      7. 6.3.7  Power-Good Output
      8. 6.3.8  Noise Reduction and Soft-Start Capacitor (NR/SS)
      9. 6.3.9  Current Limit and Short-Circuit Protection
      10. 6.3.10 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Fixed Frequency Pulse Width Modulation
      2. 6.4.2 Low Duty Cycle Operation
      3. 6.4.3 High Duty Cycle Operation (100% Duty Cycle)
      4. 6.4.4 Second Stage L-C Filter Compensation (Optional)
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      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 External Component Selection
          1. 7.2.2.2.1 Switching Frequency Selection
          2. 7.2.2.2.2 Output Capacitor Selection
          3. 7.2.2.2.3 Ferrite Bead Selection for Second L-C Filter
          4. 7.2.2.2.4 Input Capacitor Selection
          5. 7.2.2.2.5 Setting the Output Voltage
          6. 7.2.2.2.6 NR/SS Capacitor Selection
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Third-Party Products Disclaimer
      2. 8.1.2 Development Support
        1. 8.1.2.1 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. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
  • VCE|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.6 Typical Characteristics

IN = 12V, VOUT = 1.2V, TA = 25°C, BOM = Table 7-1, (unless otherwise noted)

TPSM82916 VOUT Ripple After the First L-C Filter
12V to 1.2V, 2A 1μH, 1MHz First L-C Only
Figure 5-1 VOUT Ripple After the First L-C Filter
TPSM82916 VOUT Ripple After the Second L-C Filter
12V to 1.2V, 2A 1μH, 1MHz First and second L-C
Figure 5-3 VOUT Ripple After the Second L-C Filter
TPSM82916 VOUT Ripple After the First L-C Filter
12V to 1.8V, 2A 1μH, 1.4MHz First L-C Only
Figure 5-5 VOUT Ripple After the First L-C Filter
TPSM82916 VOUT Ripple After the Second L-C Filter
12V to 1.8V, 2A 1μH, 1.4MHz First and second L-C
Figure 5-7 VOUT Ripple After the Second L-C Filter
TPSM82916 VOUT Ripple After the First L-C Filter
12V to 3.3V, 2A 1μH, 2.2MHz First L-C Only
Figure 5-9 VOUT Ripple After the First L-C Filter
TPSM82916 VOUT Ripple After the Second L-C Filter
12V to 3.3V, 2A 1μH, 2.2MHz First and second L-C
Figure 5-11 VOUT Ripple After the Second L-C Filter
TPSM82916 Output Noise Density vs Frequency
12V to 1.2V 1μH, 1MHz First L-C Only
NR/SS = Open, 470nF, 2.2μF, BW = 100Hz to 100kHz
Figure 5-13 Output Noise Density vs Frequency
TPSM82916 Output Noise Density vs Frequency
12V to 1.8V 1μH, 1.4MHz First L-C Only
NR/SS = Open, 470nF, 2.2μF, BW = 100Hz to 100kHz
Figure 5-15 Output Noise Density vs Frequency
TPSM82916 Output Noise Density vs Frequency
12V to 3.3V 1μH, 2.2MHz First L-C Only
NR/SS = Open, 470nF, 2.2μF, BW = 100Hz to 100kHz
Figure 5-17 Output Noise Density vs Frequency
TPSM82916 VOUT Ripple FFT After the First L-C Filter
12V to 1.2V, 2A 1μH, 2MHz First L-C Only
BW = 10kHz
Figure 5-2 VOUT Ripple FFT After the First L-C Filter
TPSM82916 VOUT Ripple FFT After the Second L-C Filter
12V to 1.2V, 2A 1μH, 1MHz First and second L-C
BW = 10kHz
Figure 5-4 VOUT Ripple FFT After the Second L-C Filter
TPSM82916 VOUT Ripple FFT After the First L-C Filter
12V to 1.8V, 2A 1μH, 1.4MHz First L-C Only
  BW = 10kHz
Figure 5-6 VOUT Ripple FFT After the First L-C Filter
TPSM82916 VOUT Ripple FFT After the Second L-C Filter
12V to 1.8V, 2A 1μH, 1.4MHz First and second L-C
BW = 10kHz
Figure 5-8 VOUT Ripple FFT After the Second L-C Filter
TPSM82916 VOUT Ripple FFT After the First L-C Filter
12V to 3.3V, 2A 1μH, 2.2MHz First L-C Only
BW = 10kHz
Figure 5-10 VOUT Ripple FFT After the First L-C Filter
TPSM82916 VOUT Ripple FFT After the Second L-C Filter
12V to 3.3V, 2A 1μH, 2.2MHz First and second L-C
BW = 10kHz
Figure 5-12 VOUT Ripple FFT After the Second L-C Filter
TPSM82916 Output Noise Density vs Frequency
12V to 1.2V 1μH, 1MHz After ferrite bead filter
NR/SS = Open, 470nF, 2.2μF, BW = 100Hz to 100kHz
Figure 5-14 Output Noise Density vs Frequency
TPSM82916 Output Noise Density vs Frequency
12V to 1.8V 1μH, 1.4MHz After ferrite bead filter
NR/SS = Open, 470nF, 2.2μF, BW = 100Hz to 100kHz
Figure 5-16 Output Noise Density vs Frequency
TPSM82916 Output Noise Density vs Frequency
12V to 3.3V 1μH, 2.2MHz After ferrite bead filter
NR/SS = Open, 470nF, 2.2μF, BW = 100Hz to 100kHz
Figure 5-18 Output Noise Density vs Frequency