ZHCSHP4B December   2018  – October 2019 TPS7A26

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用电路
  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 Output Enable
      2. 7.3.2 Dropout Voltage
      3. 7.3.3 Current Limit
      4. 7.3.4 Undervoltage Lockout (UVLO)
      5. 7.3.5 Thermal Shutdown
      6. 7.3.6 Power Good
      7. 7.3.7 Active Overshoot Pulldown Circuitry
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device Functional Mode Comparison
      2. 7.4.2 Normal Operation
      3. 7.4.3 Dropout Operation
      4. 7.4.4 Disabled
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Adjustable Device Feedback Resistors
      2. 8.1.2 Recommended Capacitor Types
      3. 8.1.3 Input and Output Capacitor Requirements
      4. 8.1.4 Reverse Current
      5. 8.1.5 Feed-Forward Capacitor (CFF)
      6. 8.1.6 Power Dissipation (PD)
      7. 8.1.7 Estimating Junction Temperature
      8. 8.1.8 Special Consideration for Line Transient
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Transient Response
        2. 8.2.2.2 Selecting Feedback Divider Resistors
        3. 8.2.2.3 Thermal Dissipation
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 器件命名规则
    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 Glossary
  12. 12机械、封装和可订购信息

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)
  • DRV|6
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.6 Typical Characteristics

at operating temperature TJ = 25°C, IOUT = 1 mA, VEN = 0.9 V, CIN = 2.2 µF, COUT = 2.2 μF, and VIN = VOUT(typ) + 0.8 V or 2.4 V (whichever is greater), unless otherwise noted; typical values are at TJ = 25°C
TPS7A26 D002_SBVS290.gif
IOUT = 1 mA
Figure 1. Line Regulation vs VIN
TPS7A26 D017_SBVS290.gif
IOUT = 100 mA
Figure 3. Dropout Voltage vs VIN
TPS7A26 D015_SBVS290.gif
IOUT = 500 mA
Figure 5. Dropout Voltage vs VIN
TPS7A26 D014_SBVS290.gif
VIN = 18 V
Figure 7. Dropout Voltage vs IOUT
TPS7A26 D018_SBVS290.gif
VOUT = 1.24 V, IOUT = 1 mA
Figure 9. IGND vs VIN
TPS7A26 D006_SBVS290.gif
VOUT = 1.24 V, IOUT = 0 A
Figure 11. IQ vs VIN
TPS7A26 D011_SBVS290.gif
VOUT = 1.24 V
Figure 13. Shutdown Current vs VIN
TPS7A26 D021_SBVS290.gif
VOUT = 1.24 V, IOUT = 1 mA
Figure 15. UVLO Thresholds vs Temperature
TPS7A26 D023_SBVS290.gif
VOUT = 1.24 V
Figure 17. PG Leakage Current vs Temperature
TPS7A26 D027_SBVS290.gif
VOUT = 3.3 V, VIN = 4.3 V,
CIN = 0 μF, COUT = 1 μF, CFF = 10 nF
Figure 19. PSRR vs Frequency and IOUT
TPS7A26 D029_SBVS290.gif
VOUT = 3.3 V, VIN = 4.3 V, IOUT = 0.5 A,
CIN = 0 μF, CFF = 10 nF
Figure 21. PSRR vs Frequency and COUT
TPS7A26 D032_SBVS290.gif
VIN = VOUT + 1 V or 2.4 V (whichever is greater), IOUT = 0.5 A,
CIN = 0 μF, COUT = 1 μF, CFF = 10 nF
Figure 23. PSRR vs Frequency and VOUT
TPS7A26 D034_SBVS290.gif
VOUT = 1.24 V, CIN = 1 μF, COUT = 1 μF, CFF = 10 nF,
VRMS BW = 10 Hz to 100 kHz
Figure 25. Output Noise (Vn) vs Frequency and IOUT
TPS7A26 D036_SBVS290.gif
VOUT = 3.3 V, VIN = 4.3 V, IOUT = 0.5 A, CIN = 1 μF, COUT = 1 μF,
VRMS BW = 10 Hz to 100 kHz
Figure 27. Output Noise (Vn) vs Frequency and CFF
TPS7A26 D038_SBVS290.gif
IOUT = 0.5 A to 0.001 A, slew rate = 0.5 A/μs,
VOUT = 3.3 V, VIN = 4.3 V, CIN = 1 μF, COUT = 1 μF
Figure 29. Load Transient
TPS7A26 D040_SBVS290.gif
VIN = 4.3 V to 5.3 V, slew rate = 0.5 V/μs, VOUT = 3.3 V,
IOUT = 0.5 A, CIN = 1 μF, COUT = 1 μF
Figure 31. Line Transient
TPS7A26 D042_SBVS290.gif
VIN = 0 V to 5 V, VEN = VIN, VOUT = 3.3 V, IOUT = 0.5 A,
CIN = 1 μF, COUT = 1 μF
Figure 33. Start-Up With Enable Pin Tied to Input
TPS7A26 D008_SBVS290.gif
VOUT = 1.24 V
Figure 2. Load Regulation vs IOUT
TPS7A26 D016_SBVS290.gif
IOUT = 250 mA
Figure 4. Dropout Voltage vs VIN
TPS7A26 D013_SBVS290.gif
VIN = 2.4 V
Figure 6. Dropout Voltage vs IOUT
TPS7A26 D012_SBVS290.gif
Figure 8. Current Limit vs VIN
TPS7A26 D005_SBVS290.gif
VOUT = 1.24 V, IOUT = 0 A
Figure 10. IQ vs VIN
TPS7A26 D009_SBVS290.gif
VOUT = 1.24 V
Figure 12. IGND vs IOUT
TPS7A26 D020_SBVS290.gif
VOUT = 1.24 V, 2.4 V ≤ V IN ≤ 18 V
Figure 14. VEN vs Temperature
TPS7A26 D022_SBVS290.gif
VOUT = 1.24 V
Figure 16. PG Thresholds vs Temperature
TPS7A26 D025_SBVS290.gif
VOUT = 1.24 V, CIN = 0 μF, COUT = 1 μF
Figure 18. PSRR vs Frequency and IOUT
TPS7A26 D028_SBVS290.gif
VOUT = 3.3 V, IOUT = 0.5 A,
CIN = 0 μF, COUT = 1 μF, CFF = 10 nF
Figure 20. PSRR vs Frequency and VIN
TPS7A26 D030_SBVS290.gif
VOUT = 3.3 V, VIN = 4.3 V, IOUT = 0.5 A,
CIN = 0 μF, COUT = 1 μF
Figure 22. PSRR vs Frequency and CFF
TPS7A26 D033_SBVS290.gif
VIN = VOUT + 1 V or 2.4 V (whichever is greater),
IOUT = 0.5 A, CIN = 1 μF, COUT = 1 μF, CFF = 10 nF,
VRMS BW = 10 Hz to 100 kHz
Figure 24. Output Noise (Vn) vs Frequency and VOUT
TPS7A26 D035_SBVS290.gif
VOUT = 1.24 V, IOUT = 0.5 A, CIN = 1 μF, CFF = 10 nF,
VRMS BW = 10 Hz to 100 kHz
Figure 26. Output Noise (Vn) vs Frequency and COUT
TPS7A26 D037_SBVS290.gif
IOUT = 0.001 A to 0.5 A, slew rate = 0.5 A/μs,
VOUT = 3.3 V, VIN = 4.3 V, CIN = 1 μF, COUT = 1 μF
Figure 28. Load Transient
TPS7A26 D039_SBVS290.gif
VIN = 5.3 V to 4.3 V, slew rate = 0.5 V/μs, VOUT = 3.3 V,
IOUT = 0.5 A, CIN = 1 μF, COUT = 1 μF
Figure 30. Line Transient
TPS7A26 D041_SBVS290.gif
VEN= 0 V to 2 V, VOUT = 3.3 V, IOUT = 0.5 A,
CIN = 1 μF, COUT = 1 μF
Figure 32. Start-Up With Enable