ZHCSN51K June   2007  – June 2024 TPS74901

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics: IOUT = 50mA
    7. 5.7 Typical Characteristics: IOUT = 1 A
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Enable and Shutdown
      2. 6.3.2 Power-Good
      3. 6.3.3 Internal Current Limit
      4. 6.3.4 Thermal Protection
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
      3. 6.4.3 Disabled
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Input, Output, and BIAS Capacitor Requirements
      2. 7.1.2 Transient Response
      3. 7.1.3 Dropout Voltage
      4. 7.1.4 Output Noise
      5. 7.1.5 Programmable Soft-Start
      6. 7.1.6 Sequencing Requirements
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 Power Dissipation
        2. 7.4.1.2 Thermal Considerations
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Device Nomenclature
      2. 8.1.2 Development Support
        1. 8.1.2.1 Evaluation Modules
        2. 8.1.2.2 Spice Models
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 接收文档更新通知
    4. 8.4 支持资源
    5. 8.5 Trademarks
    6. 8.6 静电放电警告
    7. 8.7 术语表
  10. 9 Revision History
  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

5.7 Typical Characteristics: IOUT = 1 A

at TJ = 25°C, VIN = VOUT(NOM) + 0.3V, VBIAS = 5V, IOUT = 1A, VEN = VIN = 1.8V, VOUT = 1.5V, CIN = 1µF, CBIAS = 4.7µF, and COUT = 10µF (unless otherwise noted)

TPS74901 VBIAS Line Transient
Legacy chip
Figure 5-32 VBIAS Line Transient
TPS74901 VIN Line Transient
Legacy chip
Figure 5-34 VIN Line Transient
TPS74901 Output Load Transient Response
Legacy chip
Figure 5-36 Output Load Transient Response
TPS74901 Turn-On Response
Legacy chip
Figure 5-38 Turn-On Response
TPS74901 Power-Up and Power-Down
Legacy chip
Figure 5-40 Power-Up and Power-Down
TPS74901 VBIAS Line Transient
New chip
Figure 5-33 VBIAS Line Transient
TPS74901 VIN Line Transient
New chip
Figure 5-35 VIN Line Transient
TPS74901 Output Load Transient Response
New chip
Figure 5-37 Output Load Transient Response
TPS74901 Turn-On Response
New chip
Figure 5-39 Turn-On Response
TPS74901 Power-Up, Power-Down
New chip
Figure 5-41 Power-Up, Power-Down
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