ZHCSIS2B september   2018  – december 2020 TPS7A11

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Revision History
  6. Pin Configuration and Functions
  7. 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
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Excellent Transient Response
        1. 7.3.1.1 Global Undervoltage Lockout (UVLO)
      2. 7.3.2 Active Discharge
      3. 7.3.3 Enable Pin
      4. 7.3.4 Sequencing Requirement
      5. 7.3.5 Internal Foldback Current Limit
      6. 7.3.6 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Mode
      2. 7.4.2 Dropout Mode
      3. 7.4.3 Disable Mode
  9. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Recommended Capacitor Types
      2. 8.1.2 Input and Output Capacitor Requirements
      3. 8.1.3 Load Transient Response
      4. 8.1.4 Dropout Voltage
      5. 8.1.5 Behavior During Transition From Dropout Into Regulation
      6. 8.1.6 Undervoltage Lockout Circuit Operation
      7. 8.1.7 Power Dissipation (PD)
      8. 8.1.8 Estimating Junction Temperature
      9. 8.1.9 Recommended Area for Continuous Operation
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedures
      3. 8.2.3 Application Curve
  10. Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  12. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 Evaluation Module
      2. 11.1.2 Spice Model
      3. 11.1.3 Device Nomenclature
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 静电放电警告
    7. 11.7 术语表
  13.   Mechanical, 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

Typical Characteristics

at operating temperature TJ = 25°C, VIN = VOUT(NOM) + 0.5 V, VBIAS = VOUT(NOM) + 1.4 V, IOUT = 1 mA, VEN = VIN, CIN = COUT = 2.2 µF, and CBIAS = 0.1 µF (unless otherwise noted)

GUID-06BEFFB6-770B-421F-97B2-200C97613ED8-low.gif
DRV package
Figure 6-1 Output Accuracy vs IOUT and Temperature
GUID-6D37F952-BC7B-4950-B335-1B13EEBA1452-low.gif
YKA package
Figure 6-3 Output Accuracy vs IOUT and Temperature
GUID-89B65760-F582-410F-9B70-F241AE66590F-low.gif
YKA package
Figure 6-5 VIN Dropout vs IOUT and Temperature
GUID-90ACC43E-2856-43E6-83CB-22CCDFBEE65F-low.gif
 
Figure 6-7 VBIAS Dropout vs IOUT and Temperature
GUID-87EE7D9C-438A-4B62-8FBC-9ABF88FBAE7E-low.gif
IOUT = 500 mA
Figure 6-9 IQ(BIAS) vs VBIAS and Temperature
GUID-B8F7A596-2723-4C83-8E0E-FE35672795DE-low.gif
IOUT = 500 mA
Figure 6-11 IQ(IN) vs VIN and Temperature
GUID-7984DBF4-CD9D-45C5-9D3A-21AE97F5BA87-low.gif
VOUT = 1.0 V, VEN < 0.4 V
Figure 6-13 ISHDN vs VIN and Temperature
GUID-F376662A-4DE0-443F-A528-6CCC872A8C37-low.gif
VOUT = 0.5 V
Figure 6-15 Startup With VEN and VBIAS Powering Up Simultaneously
GUID-3DCE2E10-B786-4EC3-B14D-073DD62FF9AF-low.gif
VOUT = 0.5 V
Figure 6-17 Startup With VBIAS Powering Up After VIN and VEN
GUID-949A5EDF-C8CF-4403-9A8E-5D3BB009F080-low.gif
VOUT = 1.0 V, IOUT = 500 mA
Figure 6-19 VIN Transient
GUID-EBB8A9E1-65A2-452E-8ECB-4529DE523377-low.gif
VOUT = 1.0 V, IOUT = 1 mA to 250 mA
Figure 6-21 IOUT Transient
GUID-652A39A7-8096-4F8D-AAEE-F3740211B5C2-low.gif
VOUT = 1.0 V, IOUT = 1 mA to 500 mA
Figure 6-23 IOUT Transient
GUID-7246E141-385C-444D-BAF0-DC3A6808A064-low.gif
CIN = 0 μF, VOUT = 1.0 V, IOUT = 500 mA, VDO = VIN – VOUT
Figure 6-25 VIN PSRR vs Frequency and Dropout
GUID-E4876A3C-9F29-43AE-B4FC-E4652B8B431C-low.gif
CIN = 2.2 μF, VOUT = 1.0 V, IOUT = 500 mA, CBIAS = 0 μF
Figure 6-27 VBIAS PSRR vs Frequency and VBIAS
GUID-78ADC736-DB6F-4070-8064-9B93ABF80939-low.gif
IOUT = 500 mA
Figure 6-29 Output Noise vs Frequency and VOUT
GUID-BBE61ECE-64E1-4CC3-B47A-00159920AA45-low.gif
 
Figure 6-31 VUVLO(IN) Rising and Falling Threshold vs Temperature
GUID-500B93A8-5E4C-4199-9DEA-248E176FF7A3-low.gif
YKA package
Figure 6-2 Output Accuracy vs VIN and Temperature
GUID-92A6CCA0-89EB-4E10-9074-A090A729FF3A-low.gif
DRV package
Figure 6-4 VIN Dropout vs IOUT and Temperature
GUID-DCED9E7E-EC54-4A5B-A6BC-74A074877CC4-low.gif
 
Figure 6-6 Output Accuracy vs VBIAS and Temperature
GUID-354098FD-7F9C-4D72-8554-EBD2DC8C1DB7-low.gif
IOUT = 0 mA
Figure 6-8 IQ(BIAS) vs VBIAS and Temperature
GUID-24F88975-5CA6-469C-B3B1-7DE39E868481-low.gif
IOUT = 0 mA
Figure 6-10 IQ(IN) vs VIN and Temperature
GUID-C9EEBE3D-BF1A-4644-953E-F447959EEB1C-low.gif
 
Figure 6-12 Foldback Output Current Limit vs IOUT and Temperature
GUID-067825BD-D186-4B27-AC0E-34AE1EE44346-low.gif
VOUT = 0.5 V
Figure 6-14 Startup With VEN = VIN
GUID-F02D33BF-783B-4EDC-B6F0-89ACCC4877F4-low.gif
VOUT = 0.5 V
Figure 6-16 Startup With Separated VEN
GUID-E0369F58-AEEC-415D-AA7E-94EFA443D33D-low.gif
VOUT = 1.0 V, IOUT = 1 mA
Figure 6-18 VIN Transient
GUID-44F97473-1D64-4B7C-913E-EA230F4AE52B-low.gif
VOUT = 1.0 V, IOUT = 0 mA to 250 mA
Figure 6-20 IOUT Transient
GUID-B6E0C3AD-C2BA-4AEF-8798-9B6B47BF2FAC-low.gif
VOUT = 1.0 V, IOUT = 0 mA to 500 mA
Figure 6-22 IOUT Transient
GUID-69CFFC2A-6DFD-4D65-A9D6-DF534EBFF3BD-low.gif
CIN = 0 μF, VOUT = 1.0 V
Figure 6-24 VIN PSRR vs Frequency and IOUT
GUID-05D13481-26F6-44FE-A44C-33911C43ECC7-low.gif
CIN = 0 μF, VOUT = 1.0 V, IOUT = 500 mA
Figure 6-26 VIN PSRR vs Frequency and COUT
GUID-C5254203-8316-4A97-83A8-5C2B6C24A409-low.gif
VOUT = 1.0 V
Figure 6-28 Output Noise vs Frequency and IOUT
GUID-82A33F5D-9951-41FE-BA49-EA7B4FACE5EF-low.gif
 
Figure 6-30 VUVLO(BIAS) Rising and Falling Threshold vs Temperature
GUID-40AE53E5-71BC-40C4-9BC6-1B2138211051-low.gif
 
Figure 6-32 Enable High and Low Threshold vs Temperature