ZHCSFR0C May   2015  – February 2019 TPS7B68-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     典型应用原理图
  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 Switching Characteristics
    7. 6.7 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 Device Enable (EN)
      2. 7.3.2 Adjustable Power-Good Threshold (PG, PGADJ)
      3. 7.3.3 Adjustable Power-Good Delay Timer (DELAY)
      4. 7.3.4 Undervoltage Shutdown
      5. 7.3.5 Current Limit
      6. 7.3.6 Thermal Shutdown
      7. 7.3.7 Integrated Watchdog
        1. 7.3.7.1 Window Watchdog (WTS, ROSC, FSEL and WRS)
        2. 7.3.7.2 Standard Watchdog (WTS, ROSC and FSEL)
        3. 7.3.7.3 Watchdog Service Signal and Watchdog Fault Outputs (WD and WDO)
        4. 7.3.7.4 ROSC Status Detection (ROSC)
        5. 7.3.7.5 Watchdog Enable (PG and WD_EN)
        6. 7.3.7.6 Watchdog Initialization
        7. 7.3.7.7 Window Watchdog Operation (WTS = Low)
        8. 7.3.7.8 Standard Watchdog Operation (WTS = High)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation With Input Voltage Lower Than 4 V
      2. 7.4.2 Operation With Input Voltage Higher Than 4 V
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input Capacitor
        2. 8.2.2.2 Output Capacitor
        3. 8.2.2.3 Power-Good Threshold
        4. 8.2.2.4 Power-Good Delay Period
        5. 8.2.2.5 Watchdog Setup
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 文档支持
      1. 11.1.1 相关文档
    2. 11.2 接收文档更新通知
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 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

6.7 Typical Characteristics

VIN = 14 V, VEN ≥ 2 V, TJ = –40°C to +150°C (unless otherwise noted)
TPS7B68-Q1 D001_SLVSD43.gif
Figure 1. Quiescent Current vs Output Current
TPS7B68-Q1 D003_SLVSD43.gif
Figure 3. Shutdown Current vs Ambient Temperature
TPS7B68-Q1 D005_SLVSD43.gif
Figure 5. Dropout Voltage vs Output Current
TPS7B68-Q1 D007_SLVSD43.gif
VOUT = 5 V
Figure 7. Output Voltage vs Ambient Temperature
TPS7B68-Q1 D009_SLVSD43.gif
VIN = 5.6 V
Figure 9. Output Current Limit (ILIM) vs Ambient Temperature
TPS7B68-Q1 D011_SLVSD43.gif
Figure 11. Line Regulation
TPS7B68-Q1 D013_SLVSD43.gif
COUT = 10 μF IOUT = 100 mA TA = 25°C
Figure 13. PSRR vs Frequency
TPS7B68-Q1 D015_SLVSD43.gif
VIN = 6 V to 40 V VOUT = 5 V COUT = 10 µF
IOUT = 1 mA
Figure 15. Line Transient
TPS7B68-Q1 D017_SLVSD43.gif
VIN = 6 V to 40 V VOUT = 5 V COUT = 10 µF
IOUT = 200 mA
Figure 17. Line Transient
TPS7B68-Q1 D019_SLVSD43.gif
VOUT = 5 V COUT = 10 µF IOUT = 1 mA to 200 mA
Figure 19. Load Transient
TPS7B68-Q1 D002_SLVSD43.gif
Figure 2. Quiescent Current vs Input Voltage
TPS7B68-Q1 D004_SLVSD43.gif
Figure 4. Quiescent Current vs Ambient Temperature
TPS7B68-Q1 D006_SLVSD43.gif
IOUT = 200 mA
Figure 6. Dropout Voltage vs Ambient Temperature
TPS7B68-Q1 D008_SLVSD43.gif
VOUT = 5 V
Figure 8. Output Voltage vs Input Voltage
TPS7B68-Q1 D010_SLVSD43.gif
Figure 10. Load Regulation
TPS7B68-Q1 D012_SLVSD43.gif
COUT = 10 μF IOUT = 1 mA TA = 25°C
Figure 12. PSRR vs Frequency
TPS7B68-Q1 D014A_SLVSD43.gif
Figure 14. ESR Stability vs Output Capacitance
TPS7B68-Q1 D016_SLVSD43.gif
VIN = 40 V to 6 V VOUT = 5 V COUT = 10 µF
IOUT = 1 mA
Figure 16. Line Transient
TPS7B68-Q1 D018_SLVSD43.gif
VIN = 40 V to 6 V VOUT = 5 V COUT = 10 µF
IOUT = 200 mA
Figure 18. Line Transient
TPS7B68-Q1 D020_SLVSD43.gif
VOUT = 5 V COUT = 10 µF IOUT = 200 mA to 1 mA
Figure 20. Load Transient