ZHCSFD9B July   2016  – October 2018 TPS61230A

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用
      2.      效率
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Startup
      2. 7.3.2 Enable and Disable
      3. 7.3.3 Under-Voltage Lockout (UVLO)
      4. 7.3.4 Current Limit Operation
      5. 7.3.5 Over Voltage Protection
      6. 7.3.6 Load Disconnect
      7. 7.3.7 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 PWM Mode
      2. 7.4.2 PFM Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 TPS61230A 2.5-V to 4.5-V Input, 5-V Output Converter
        1. 8.2.1.1 TPS61230A 5-V Output Design Requirements
        2. 8.2.1.2 TPS61230A 5-V Detailed Design Procedure
          1. 8.2.1.2.1 Programming The Output Voltage
          2. 8.2.1.2.2 Inductor and Capacitor Selection
            1. 8.2.1.2.2.1 Inductor Selection
            2. 8.2.1.2.2.2 Output Capacitor Selection
            3. 8.2.1.2.2.3 Input Capacitor Selection
          3. 8.2.1.2.3 Loop Stability, Feed Forward Capacitor
        3. 8.2.1.3 TPS61230A 5-V Output Application Performance Plots
      2. 8.2.2 Systems Example - TPS61230A with Feed Forward Capacitor for Best Transient Response
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 第三方产品免责声明
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 接收文档更新通知
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 术语表
  12. 12机械、封装和可订购信息

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

8.2.1.3 TPS61230A 5-V Output Application Performance Plots

TPS61230A Steady_state_PWM_2_slvscz5.gif
VOUT = 5 V, VIN = 3.6 V, IOUT = 2 A, TA = 25 ºC, L = 1 µH,
COUT = 2x22 µF
Figure 16. Steady State Switching at PWM
TPS61230A Startup_EN_slvscz5.gif
VOUT = 5 V, VIN = 3.6 V, ROUT = 5 Ω, TA = 25 ºC
Figure 18. Startup by EN
TPS61230A Load_transient_PFM_slvscz5.gif
VOUT = 5 V, VIN = 3.6 V, IOUT = 0.1 - 1 A with 10 µs slew rate,
TA = 25 ºC
Figure 20. Load Transient PFM / PWM
TPS61230A Line_transient_slvscz5.gif
VOUT = 5 V, VIN = 3.6 - 4.2 V, Slew rate 50 µs, IOUT = 1 A,
TA = 25 ºC
Figure 22. Line Transient
TPS61230A Output_short_steady_slvscz5.gif
VOUT = 5 V, VIN = 3.6 V, IOUT short, TA = 25 ºC
Figure 24. Output Short Steady State
TPS61230A Steady_state_PFM_slvscz5.gif
VOUT = 5 V, VIN = 3.6 V, IOUT = 10 mA, TA = 25 ºC
Figure 17. Steady State Switching at PFM
TPS61230A Load_sweep_slvscz5.gif
VOUT = 5 V, VIN = 3.6 V, IOUT = 0 - 2 A Sweep, TA = 25 ºC
Figure 19. Load Sweep
TPS61230A Load_transient_PWM_slvscz5.gif
VOUT = 5 V, VIN = 3.6 V, IOUT = 0.5 - 1 A with 10 µs slew rate,
TA = 25 ºC
Figure 21. Load Transient PWM
TPS61230A Output_short_entry_slvscz5.gif
VOUT = 5 V, VIN = 3.6 V, IOUT = 1 A before short, TA = 25 ºC
Figure 23. Output Short Entry