ZHCSOW9C october   2022  – july 2023 TPSM82912 , TPSM82913 , TPSM82913E

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  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 第三方产品免责声明
      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 接收文档更新通知
    4. 9.4 支持资源
    5. 9.5 Trademarks
    6. 9.6 静电放电警告
    7. 9.7 术语表
  11. 10Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.6 Typical Characteristics

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

GUID-20220825-SS0I-214J-89FN-LQXSZKV9CQZN-low.svg
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
GUID-20220825-SS0I-8Q78-FWMT-PXNSGCVZWXPS-low.svg
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
GUID-20220825-SS0I-K7S1-SLFH-97Q9B2ZPDLKF-low.svg
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
GUID-20220825-SS0I-8CZZ-JXKM-GP07WRVTJF87-low.svg
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
GUID-20220825-SS0I-RJNT-08ZX-PHN7V6VGQ2M3-low.svg
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
GUID-20220825-SS0I-DWZL-JPX6-L8VPNXFJVQ52-low.svg
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
GUID-20220825-SS0I-LPRF-4MXF-BVB1KPKJQBWZ-low.svg
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
GUID-20220825-SS0I-TPHK-TJVF-WLP8MFDJDWFT-low.svg
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
GUID-20220825-SS0I-N1T0-KJ4N-QVT38L2GN4XM-low.svg
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
GUID-20220825-SS0I-ZJSX-48TG-DBDKJKHJ6R8H-low.svg
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
GUID-20220825-SS0I-VPP8-Q2XB-TR81D95HJGRH-low.svg
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
GUID-20220825-SS0I-8FG7-THMV-X11WRGQPCNBT-low.svg
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
GUID-2FECBAAD-DEDD-4378-96E2-194E62130EF9-low.gif
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
GUID-20220831-SS0I-31WW-7R0X-HJCD6NQBVXRM-low.svg
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
GUID-20220831-SS0I-2JNB-VXCN-JJJQTH9PXTGH-low.svg
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
GUID-20220831-SS0I-HPWD-S0XZ-CJF8HGMNMMGB-low.svg
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
GUID-20220819-SS0I-XR1X-WQVB-S5PFRBGBLXSM-low.svg
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
GUID-20220819-SS0I-V6X2-Q2ZL-VX2SXVH2WXDL-low.svg
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
GUID-FCD25D6A-1B6F-49D3-BEEA-009FFE5B2D07-low.svg
VIN = 5 V
Figure 6-37 Low-Side RDS(ON) vs Junction Temperature
GUID-B540099F-8DC7-4FEA-A39C-B4D17970AEF5-low.gif
5 VIN to 0.8 VOUT1 MHz
Figure 6-39 Output Voltage Error vs Load
GUID-09B7A683-E817-4F63-A2D9-E91B1195D59E-low.gif
12 VIN2.2 MHz
Figure 6-41 Oscillator Frequency vs Temperature
GUID-7E7924A9-31C3-4BA2-8078-393020030546-low.svg
VIN: 12 V25°C
Figure 6-43 Output Discharge Resistance vs Output Voltage
GUID-20220817-SS0I-D07R-78N2-TLFXTVSVRG2C-low.svg
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
GUID-20220817-SS0I-55H9-KKC7-SPZTRCBX9BCG-low.svg
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
GUID-20220817-SS0I-JSJX-MJ4C-67CZ816PBBGP-low.svg
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
GUID-20220817-SS0I-MFF4-LTG0-83PPNQTX1DTW-low.svg
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
GUID-20220817-SS0I-7RKW-J4BK-WNVBJMWP5HCH-low.svg
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
GUID-20220817-SS0I-FLBB-9V8R-QJ0JPNVD5BPT-low.svg
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
GUID-20220817-SS0I-53G9-X4HH-7R3S351KDNCD-low.svg
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
GUID-20220817-SS0I-S6K9-TWML-RGCWFHZM0HZW-low.svg
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
GUID-20220817-SS0I-C9Q3-MFTH-4LPDFVF03VLF-low.svg
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
GUID-20220817-SS0I-MVXH-JJNP-7WTWWJXHM0DS-low.svg
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
GUID-20220817-SS0I-7RBB-2MSB-N5VFXRBH1WGS-low.svg
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
GUID-20220817-SS0I-VWDX-WDMG-G7GHK2WRSZ50-low.svg
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
GUID-508E7CAD-7C89-4B5E-9B21-68D80C5A98B1-low.svg
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
GUID-20220831-SS0I-XFWG-K9WN-KDKKHVPVBFRV-low.svg
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
GUID-20220831-SS0I-JLLK-T2HX-TVJ8C38J65LF-low.svg
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
GUID-20220831-SS0I-DM9L-KVR8-QFQ3HZJVDKWC-low.svg
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
GUID-20220819-SS0I-VSR0-7XFR-6J4S0QNWMZDD-low.svg
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
GUID-503957C2-AE73-459F-A981-FF901B440B81-low.gif
VIN = 5 V
Figure 6-36 High-Side RDS(ON) vs Junction Temperature
GUID-DC716050-69C2-437C-ABB6-DEA2AE375BAA-low.svg
1 MHz, 2 A
Figure 6-38 FB Pin Voltage Error vs Input Voltage
GUID-6328BC2F-C77B-4C43-9CB9-3BA2D9A5B73C-low.gif
12 VIN1 MHz
Figure 6-40 Oscillator Frequency vs Temperature
GUID-FF25199E-9DF9-401B-AC90-20FD57653CAB-low.gif
VIN: 3 V, 5 V, 12 V
Figure 6-42 Shutdown Current vs Temperature