JAJSUA5B August   2024  – January 2025 TPS62914-Q1 , TPS62916-Q1 , TPS62918-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  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 Inductor Selection for the First L-C Filter
          3. 7.2.2.2.3 Output Capacitor Selection
          4. 7.2.2.2.4 Ferrite Bead Selection for Second L-C Filter
          5. 7.2.2.2.5 Input Capacitor Selection
          6. 7.2.2.2.6 Setting the Output Voltage
          7. 7.2.2.2.7 Bootstrap Capacitor Selection
          8. 7.2.2.2.8 NR/SS Capacitor Selection
      3. 7.2.3 Application Curves
    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 サード・パーティ製品に関する免責事項
      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 ドキュメントの更新通知を受け取る方法
    4. 8.4 サポート・リソース
    5. 8.5 Trademarks
    6. 8.6 静電気放電に関する注意事項
    7. 8.7 用語集
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

5.6 Typical Characteristics

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

TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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
TPS62914-Q1 TPS62916-Q1 TPS62918-Q1 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