ZHCSGB1C March   2013  – December 2019 TPS84A20

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化应用
  4. 4 修订历史记录
  5. 5 Ordering Information
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions
    3. 6.3 Package Specifications
    4. 6.4 Electrical Characteristics
    5. 6.5 Thermal Information
  7. 7 Device Information
    1. 7.1      Functional Block Diagram
    2. Table 1. Pin Descriptions
  8. 8 Typical Characteristics (PVIN = VIN = 12 V)
  9. 9 Typical Characteristics (PVIN = VIN = 5 V)
  10. 10Typical Characteristics (PVIN = 3.3 V, VIN = 5 V)
  11. 11Application Information
    1. 11.1  Adjusting the Output Voltage
    2. 11.2  Capacitor Recommendations for the TPS84A20 Power Supply
      1. 11.2.1 Capacitor Technologies
        1. 11.2.1.1 Electrolytic, Polymer-Electrolytic Capacitors
        2. 11.2.1.2 Ceramic Capacitors
        3. 11.2.1.3 Tantalum, Polymer-Tantalum Capacitors
      2. 11.2.2 Input Capacitor
      3. 11.2.3 Output Capacitor
    3. 11.3  Transient Response
    4. 11.4  Transient Waveforms
    5. 11.5  Application Schematics
    6. 11.6  VIN and PVIN Input Voltage
    7. 11.7  3.3 V PVIN Operation
    8. 11.8  Power Good (PWRGD)
    9. 11.9  Light Load Efficiency (LLE)
    10. 11.10 SYNC_OUT
    11. 11.11 Parallel Operation
    12. 11.12 Power-Up Characteristics
    13. 11.13 Pre-Biased Start-Up
    14. 11.14 Remote Sense
    15. 11.15 Thermal Shutdown
    16. 11.16 Output On/Off Inhibit (INH)
    17. 11.17 Slow Start (SS/TR)
    18. 11.18 Overcurrent Protection
    19. 11.19 Synchronization (CLK)
    20. 11.20 Sequencing (SS/TR)
    21. 11.21 Programmable Undervoltage Lockout (UVLO)
    22. 11.22 Layout Considerations
    23. 11.23 EMI
  12. 12器件和文档支持
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 Glossary
  13. 13机械、封装和可订购信息
    1. 13.1 Tape and Reel Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • RVQ|42
散热焊盘机械数据 (封装 | 引脚)
订购信息

11.3 Transient Response

Table 6. Output Voltage Transient Response

CIN1 = 3x 47 µF CERAMIC, CIN2 = 100 µF POLYMER-TANTALUM
VOUT(V) VIN(V) COUT1 CERAMIC COUT2 BULK VOLTAGE DEVIATION (mV) RECOVERY TIME (µs)
2.5 A LOAD STEP, (1 A/µs) 5 A LOAD STEP, (1 A/µs)
0.6 5 500 µF 220 µF 25 60 100
12 500 µF 220 µF 30 65 100
0.9 5 300 µF 220 µF 40 85 100
300 µF 470 µF 35 70 110
12 300 µF 220 µF 45 90 100
300 µF 470 µF 35 75 110
1.2 5 200 µF 220 µF 55 110 110
200 µF 470 µF 45 90 110
12 200 µF 220 µF 55 110 110
200 µF 470 µF 45 90 110
1.8 5 200 µF 220 µF 70 140 130
200 µF 470 µF 60 120 140
12 200 µF 220 µF 70 145 140
200 µF 470 µF 55 120 150
3.3 5 100 µF 220 µF 115 230 200
12 100 µF 220 µF 120 240 200