JAJSJL4B August   2020  – March 2021 TPS62912 , TPS62913

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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. 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)
  8. 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 Inductor Selection for the First L-C Filter
          3. 8.2.2.2.3 Output Capacitor Selection
          4. 8.2.2.2.4 Ferrite Bead Selection for Second L-C Filter
          5. 8.2.2.2.5 Input Capacitor Selection
          6. 8.2.2.2.6 Setting the Output Voltage
          7. 8.2.2.2.7 NR/SS Capacitor Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 サポート・リソース
    4. 11.4 Trademarks
    5. 11.5 静電気放電に関する注意事項
    6. 11.6 用語集
  12. 12Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

8.2.3 Application Curves

VIN=12 V, VOUT=1.2 V, TA=25°C, BOM = Table 8-1, (unless otherwise noted)
VIN=12 V, VOUT=1.2 V, TA=25°C, BOM = Table 8-1, (unless otherwise noted)GUID-20200811-CA0I-CNVC-RN1R-XT3G0FW2KMLF-low.gif
0.8 Vout2.2 μH, 1 MHz1st L-C Only
Figure 8-2 Efficiency vs Load Current. VIN=12 V, VOUT=1.2 V, TA=25°C, BOM = Table 8-1, (unless otherwise noted)
1.8 Vout2.2 μH, 1 MHz1st L-C Only
Figure 8-4 Efficiency vs Load Current
3.3 Vout2.2 μH, 2.2 MHz1st L-C Only
Figure 8-6 Efficiency vs Load Current
5 V to 1.2 V2.2 μH, 2.2 MHz1st L-C Only
Figure 8-8 Efficiency vs Load Current
GUID-20200715-CA0I-ZTRC-BPXH-PCGJ8CNSDVTP-low.gif
12 V to 1.2 V2.2 μH, 1 MHz1st L-C Only
Figure 8-10 Output Voltage vs Load Current
GUID-20201211-CA0I-CGDD-HCXH-BWQNDLLRXNJH-low.png
12 V to 1.2 V 2.2 μH, 1 MHz 1st L-C Only
300 mA to 2.7 A to 300 mA
Figure 8-12 Load Transient
GUID-20201211-CA0I-2H6Z-6X18-G4JVD1KPXRV3-low.png
12 V to 1.8 V 2.2 μH, 1 MHz 1st L-C Only
300 mA to 2.7 A to 300 mA
Figure 8-14 Load Transient
GUID-20201211-CA0I-BV6X-WDLL-1ZXQRKJC16HQ-low.png
12 V to 3.3 V 2.2 μH, 2.2 MHz 1st L-C Only
300 mA to 2.7 A to 300 mA
Figure 8-16 Load Transient
GUID-20200715-CA0I-DT7V-FFJ1-4SWB2KT44PRB-low.gif
1.2 Vout2.2 μH, 1 MHz1st L-C Only
Figure 8-3 Efficiency vs Load Current
3.3 Vout4.7 μH, 1 MHz1st L-C Only
Figure 8-5 Efficiency vs Load Current
GUID-20200807-CA0I-8JQ6-1GLX-GTNJRVNVJXBL-low.gif
5.4 Vout2.2 μH, 2.2 MHz1st L-C Only
Figure 8-7 Efficiency vs Load Current
5 V to 1.8 V2.2 μH, 2.2 MHz1st L-C Only
Figure 8-9 Efficiency vs Load Current
GUID-20201130-CA0I-7JVV-9J3C-P0SBFLRKHGPK-low.png
12 V to 1.2 V No load
2.2 μH, 1 MHz setting 1 MHz to 1.2 MHz to 1 MHz
Figure 8-11 Transition from Internal to External CLK
GUID-20201211-CA0I-LTK3-6MJR-2ZJZDJG37R77-low.png
12 V to 1.2 V 2.2 μH, 1 MHz After 2nd L-C
300 mA to 2.7 A to 300 mA
Figure 8-13 Load Transient
GUID-20201211-CA0I-Q53T-GJ9Z-KK9GGQZFXRPX-low.png
12 V to 1.8 V 2.2 μH, 1 MHz After 2nd L-C
300 mA to 2.7 A to 300 mA
Figure 8-15 Load Transient
GUID-20201215-CA0I-P1LX-BKTS-BJTMQBJKCRKT-low.png
12 V to 3.3 V 2.2 μH, 2.2 MHz After 2nd L-C
300 mA to 2.7 A to 300 mA
Figure 8-17 Load Transient