ZHCSUB8U June   1976  – May 2024

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: UA78M33 (Both Legacy and New Chip)
    6. 5.6  Electrical Characteristics: UA78M05 (Both Legacy and New Chip)
    7. 5.7  Electrical Characteristics: UA78M06C (Legacy Chip Only)
    8. 5.8  Electrical Characteristics: UA78M08C (Legacy Chip Only)
    9. 5.9  Electrical Characteristics: UA78M09 (Legacy Chip Only)
    10. 5.10 Electrical Characteristics: UA78M10 (Legacy Chip Only)
    11. 5.11 Electrical Characteristics: UA78M12 (Legacy Chip Only)
    12. 5.12 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Current Limit
      2. 6.3.2 Dropout Voltage (VDO)
      3. 6.3.3 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Input and Output Capacitor Requirements
        2. 7.2.2.2 Power Dissipation (PD)
        3. 7.2.2.3 Estimating Junction Temperature
        4. 7.2.2.4 External Capacitor Requirements
        5. 7.2.2.5 Overload Recovery
        6. 7.2.2.6 Reverse Current
        7. 7.2.2.7 Polarity Reversal Protection
      3. 7.2.3 Application Curves
    3. 7.3 System Examples
      1. 7.3.1 Positive Regulator in Negative Configuration
      2. 7.3.2 Current Limiter Circuit
    4. 7.4 Power Supply Recommendations
    5. 7.5 Layout
      1. 7.5.1 Layout Guidelines
      2. 7.5.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Evaluation Module
      2. 8.1.2 Device Nomenclature
    2. 8.2 接收文档更新通知
    3. 8.3 支持资源
    4. 8.4 Trademarks
    5. 8.5 静电放电警告
    6. 8.6 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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)
  • KVU|3
  • DCY|4
  • KCS|3
散热焊盘机械数据 (封装 | 引脚)
订购信息

5.8 Electrical Characteristics: UA78M08C (Legacy Chip Only)

specified at TJ = 25°C, VI = 14V, CIN = 0.33 µF, COUT = 0.1µF, and IO = 350mA (unless otherwise noted)
PARAMETER TEST CONDITIONS(1) MIN TYP MAX UNIT
Output voltage VI = 10.5V to 23V, and IO = 5mA to 350mA 7.7 8 8.3 V
TJ = 0°C to 125°C 7.6 8.4
Output voltage line regulation IO = 200mA, VIN = 10.5V to 25V 6 100 mV
IO = 200mA, VIN = 11V to 25V 2 50
Ripple rejection VI = 11V to 21.5V, f = 120Hz IO = 100mA, TJ = 0°C to 125°C 56 dB
IO = 300mA 56 80
Output voltage load regulation IO = 5mA to 500mA 25 160 mV
IO = 5mA to 200mA 10 80
Temperature coefficient of output voltage IO = 5mA TJ = 0°C to 125°C –1 mV/°C
Output noise voltage f = 10 Hz to 100 kHz, 52 µV
Dropout voltage 2.0 V
Bias current 4.5 6 mA
Bias current change VI = 9V to 25V, IO = 200mA TJ = 0°C to 125°C 0.8 mA
IO = 5 mA to 350mA TJ = 0°C to 125°C 0.5
Short-circuit output current VI = 35V 250 mA
Peak output current 700 mA
(1) Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately.
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