ZHCSIE2M June   2008  – June 2018 TPS735

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     典型应用
  4. 4 修订历史记录
    1.     Pin Configuration and Functions
      1.      Pin Functions
  5. 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
  6. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Internal Current Limit
      2. 6.3.2 Shutdown
      3. 6.3.3 Dropout Voltage
      4. 6.3.4 Start-Up and Noise Reduction Capacitor
      5. 6.3.5 Transient Response
      6. 6.3.6 Undervoltage Lockout
      7. 6.3.7 Minimum Load
      8. 6.3.8 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
  7. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Design Requirements
        1. 7.2.1.1 Input and Output Capacitor Requirements
        2. 7.2.1.2 Feed-Forward Capacitor Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Output Noise
      3. 7.2.3 Application Curves
  8. 8 Power Supply Recommendations
  9. 9 Layout
    1. 9.1 Layout Guidelines
      1. 9.1.1 Board Layout Recommendations to Improve PSRR and Noise Performance
    2. 9.2 Layout Example
    3. 9.3 Power Dissipation
    4. 9.4 Estimating Junction Temperature
    5. 9.5 Package Mounting
  10. 10器件和文档支持
    1. 10.1 器件支持
      1. 10.1.1 开发支持
        1. 10.1.1.1 评估模块
      2. 10.1.2 器件命名规则
    2. 10.2 文档支持
      1. 10.2.1 相关文档
    3. 10.3 商标
    4. 10.4 静电放电警告
    5. 10.5 术语表
  11. 11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

6.4.3 Disabled

The device is disabled under the following conditions:

  • The input voltage is less than the UVLO threshold minus Vhys, or has not yet exceeded the UVLO threshold.
  • The enable voltage is less than the enable falling threshold voltage or has not yet exceeded the enable rising threshold.
  • The device junction temperature is greater than the thermal shutdown temperature.

Table 1 lists the conditions that result in different modes of operation.

Table 1. Device Functional Mode Comparison

OPERATING MODE PARAMETER
VIN VEN IOUT TJ
Normal mode VIN > VOUTnom + VDO and VIN > UVLO VEN > VEN(HI) IOUT < ILIM TJ < 125°C
Dropout mode UVLO < VIN < VOUTnom + VDO VEN > VEN(HI) — TJ < 165°C
Disabled mode
(any true condition disables the device)		 VIN < UVLO – Vhys VEN < VEN(LO) — TJ > 165°C
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