SLVSGJ4C October   2022  – July 2023 TPSM82912 , TPSM82913 , TPSM82913E

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  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 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  Smart Config (S-CONF)
      2. 7.3.2  Device Enable (EN/SYNC)
      3. 7.3.3  Device Synchronization (EN/SYNC)
      4. 7.3.4  Spread Spectrum Modulation
      5. 7.3.5  Output Discharge
      6. 7.3.6  Undervoltage Lockout (UVLO)
      7. 7.3.7  Power-Good Output
      8. 7.3.8  Noise Reduction and Soft-Start Capacitor (NR/SS)
      9. 7.3.9  Current Limit and Short-Circuit Protection
      10. 7.3.10 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Fixed Frequency Pulse Width Modulation
      2. 7.4.2 Low Duty Cycle Operation
      3. 7.4.3 High Duty Cycle Operation (100% Duty Cycle)
      4. 7.4.4 Second Stage L-C Filter Compensation (Optional)
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 External Component Selection
          1. 8.2.2.2.1 Switching Frequency Selection
          2. 8.2.2.2.2 Output Capacitor Selection
          3. 8.2.2.2.3 Ferrite Bead Selection for Second L-C Filter
          4. 8.2.2.2.4 Input Capacitor Selection
          5. 8.2.2.2.5 Setting the Output Voltage
          6. 8.2.2.2.6 NR/SS Capacitor Selection
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      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. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel Information

Package Options

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

6.6 Typical Characteristics

VIN = 12 V, VOUT = 1.2 V, TA = 25°C, BOM = Table 8-1, (unless otherwise noted)

TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the First L-C Filter
12 V to 1.2 V, 1 A 2.2 μH, 1 MHz First L-C Only
Figure 6-1 VOUT Ripple After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the Second L-C Filter
12 V to 1.2 V, 1 A 2.2 μH, 1 MHz First and second L-C
Figure 6-3 VOUT Ripple After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the First L-C Filter
12 V to 1.8 V, 1 A 2.2 μH, 1 MHz First L-C Only
Figure 6-5 VOUT Ripple After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the Second L-C Filter
12 V to 1.8 V, 1 A 2.2 μH, 1 MHz First and second L-C
Figure 6-7 VOUT Ripple After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the First L-C Filter
12 V to 3.3 V, 1 A 2.2 μH, 2.2 MHz First L-C Only
Figure 6-9 VOUT Ripple After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the Second L-C Filter
12 V to 3.3 V, 1 A 2.2 μH, 2.2 MHz First and second L-C
Figure 6-11 VOUT Ripple After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the First L-C Filter
5 V to 1.2 V, 1 A 2.2 μH, 2.2 MHz First L-C Only
Figure 6-13 VOUT Ripple After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple after the Second L-C Filter
5 V to 1.2 V, 1 A 2.2 μH, 2.2 MHz First and second L-C
Figure 6-15 VOUT Ripple after the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the First L-C Filter
5 V to 1.8 V, 1 A 2.2 μH, 2.2 MHz First L-C Only
Figure 6-17 VOUT Ripple After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the Second L-C Filter
5 V to 1.8 V, 1 A 2.2 μH, 2.2 MHz First and second L-C
Figure 6-19 VOUT Ripple After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the First L-C Filter
5 V to 3.3 V, 1 A 2.2 μH, 2.2 MHz First L-C Only
Figure 6-21 VOUT Ripple After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple After the Second L-C Filter
5 V to 3.3 V, 1 A 2.2 μH, 2.2 MHz First and second L-C
Figure 6-23 VOUT Ripple After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E Spread Spectrum FFT - 50-Hz BW
6 V to 1.2 V, 1 A 2.2 μH, 1 MHz BW = 50 Hz
S-CONF = OFF, Triangular, Random
Figure 6-25 Spread Spectrum FFT - 50-Hz BW
TPSM82912 TPSM82913 TPSM82913E Output Noise Density vs Frequency
12 V to 1.2 V 1 MHz After ferrite bead filter
NR/SS = Open, 220 nF, 470 nF, 2.2 μF, BW = 100 Hz to 100 kHz
Figure 6-27 Output Noise Density vs Frequency
TPSM82912 TPSM82913 TPSM82913E Output Noise Density vs Frequency
12 V to 3.3 V 2.2 MHz After ferrite bead filter
NR/SS = Open, 220 nF, 470 nF, 2.2 μF, BW = 100 Hz to 100 kHz
Figure 6-29 Output Noise Density vs Frequency
TPSM82912 TPSM82913 TPSM82913E Output Noise Density vs Frequency
5 V to 1.8 V 2.2 MHz After ferrite bead filter
NR/SS = Open, 220 nF, 470 nF, 2.2 μF, BW = 100 Hz to 100 kHz
Figure 6-31 Output Noise Density vs Frequency
TPSM82912 TPSM82913 TPSM82913E PSRR vs Frequency
12 V to 1.2 V 2.2 μH, 1 MHz 1 A, 2 A, 3 A
After ferrite bead filter
Figure 6-33 PSRR vs Frequency
TPSM82912 TPSM82913 TPSM82913E PSRR vs Frequency
12 V to 3.3 V 2.2 μH, 2.2 MHz 1 A, 2 A, 3 A
After ferrite bead filter
Figure 6-35 PSRR vs Frequency
TPSM82912 TPSM82913 TPSM82913E Low-Side RDS(ON) vs Junction Temperature
VIN = 5 V
Figure 6-37 Low-Side RDS(ON) vs Junction Temperature
TPSM82912 TPSM82913 TPSM82913E Output Voltage Error vs Load
5 VIN to 0.8 VOUT1 MHz
Figure 6-39 Output Voltage Error vs Load
TPSM82912 TPSM82913 TPSM82913E Oscillator Frequency vs Temperature
12 VIN2.2 MHz
Figure 6-41 Oscillator Frequency vs Temperature
TPSM82912 TPSM82913 TPSM82913E Output Discharge Resistance vs Output Voltage
VIN: 12 V25°C
Figure 6-43 Output Discharge Resistance vs Output Voltage
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the First L-C Filter
BW = 10 kHz
12 V to 1.2 V, 1 A 2.2 μH, 1 MHz First L-C Only
Figure 6-2 VOUT Ripple FFT After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the Second L-C Filter
BW = 10 kHz
12 V to 1.2 V, 1 A 2.2 μH, 1 MHz First and second L-C
Figure 6-4 VOUT Ripple FFT After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the First L-C Filter
BW = 10 kHz
12 V to 1.8 V, 1 A 2.2 μH, 1 MHz First L-C Only
Figure 6-6 VOUT Ripple FFT After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the Second L-C Filter
BW = 10 kHz
12 V to 1.8 V, 1 A 2.2 μH, 1 MHz First and second L-C
Figure 6-8 VOUT Ripple FFT After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the First L-C Filter
BW = 10 kHz
12 V to 3.3 V, 1 A 2.2 μH, 2.2 MHz First L-C Only
Figure 6-10 VOUT Ripple FFT After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the Second L-C Filter
BW = 10 kHz
12 V to 3.3 V, 1 A 2.2 μH, 2.2 MHz First and second L-C
Figure 6-12 VOUT Ripple FFT After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the First L-C Filter
BW = 10 kHz
5 V to 1.2 V, 1 A 2.2 μH, 2.2 MHz First L-C Only
Figure 6-14 VOUT Ripple FFT After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the Second L-C Filter
BW = 10 kHz
5 V to 1.2 V, 1 A 2.2 μH, 2.2 MHz First and second L-C
Figure 6-16 VOUT Ripple FFT After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the First L-C Filter
BW = 10 kHz
5 V to 1.8 V, 1 A 2.2 μH, 2.2 MHz First L-C Only
Figure 6-18 VOUT Ripple FFT After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the Second L-C Filter
BW = 10 kHz
5 V to 1.8 V, 1 A 2.2 μH, 2.2 MHz First and second L-C
Figure 6-20 VOUT Ripple FFT After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the First L-C Filter
BW = 10 kHz
5 V to 3.3 V, 1 A 2.2 μH, 2.2 MHz First L-C Only
Figure 6-22 VOUT Ripple FFT After the First L-C Filter
TPSM82912 TPSM82913 TPSM82913E VOUT Ripple FFT After the Second L-C Filter
BW = 10 kHz
5 V to 3.3 V, 1 A 2.2 μH, 2.2 MHz First and second L-C
Figure 6-24 VOUT Ripple FFT After the Second L-C Filter
TPSM82912 TPSM82913 TPSM82913E Spread Spectrum FFT - 10-kH BW
12 V to 1.2 V, 2 A 2.2 μH, 1 MHz BW = 10 kHz
S-CONF = OFF, Triangular, Random
Figure 6-26 Spread Spectrum FFT - 10-kH BW
TPSM82912 TPSM82913 TPSM82913E Output Noise Density vs Frequency
12 V to 1.8 V 1 MHz After ferrite bead filter
NR/SS = Open, 220 nF, 470 nF, 2.2 μF, BW = 100 Hz to 100 kHz
Figure 6-28 Output Noise Density vs Frequency
TPSM82912 TPSM82913 TPSM82913E Output Noise Density vs Frequency
5 V to 1.2 V 2.2 MHz After ferrite bead filter
NR/SS = Open, 220 nF, 470 nF, 2.2 μF, BW = 100 Hz to 100 kHz
Figure 6-30 Output Noise Density vs Frequency
TPSM82912 TPSM82913 TPSM82913E Output Noise Density vs Frequency
5 V to 3.3 V 2.2 MHz After ferrite bead filter
NR/SS = Open, 220 nF, 470 nF, 2.2 μF, BW = 100 Hz to 100 kHz
Figure 6-32 Output Noise Density vs Frequency
TPSM82912 TPSM82913 TPSM82913E PSRR vs Frequency
12 V to 1.8 V 2.2 μH, 1 MHz 1 A, 2 A, 3 A
After ferrite bead filter
Figure 6-34 PSRR vs Frequency
TPSM82912 TPSM82913 TPSM82913E High-Side RDS(ON) vs Junction Temperature
VIN = 5 V
Figure 6-36 High-Side RDS(ON) vs Junction Temperature
TPSM82912 TPSM82913 TPSM82913E FB Pin Voltage Error vs Input Voltage
1 MHz, 2 A
Figure 6-38 FB Pin Voltage Error vs Input Voltage
TPSM82912 TPSM82913 TPSM82913E Oscillator Frequency vs Temperature
12 VIN1 MHz
Figure 6-40 Oscillator Frequency vs Temperature
TPSM82912 TPSM82913 TPSM82913E Shutdown Current vs Temperature
VIN: 3 V, 5 V, 12 V
Figure 6-42 Shutdown Current vs Temperature