ZHCSUB8V June   1976  – February 2025

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 (Both Legacy and New Chip)
    10. 5.10 Electrical Characteristics: UA78M10  (Both Legacy and New Chip)
    11. 5.11 Electrical Characteristics: UA78M12  (Both Legacy and New Chip)
    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

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5.11 Electrical Characteristics: UA78M12  (Both Legacy and New Chip)

at specified at TJ = 25°C, VI = 19V, CIN = 0.33µF, COUT = 0.1µF and IO = 350mA (unless otherwise noted)
PARAMETER TEST CONDITIONS(1) MIN TYP MAX UNIT
Output voltage VI = 14.5V to 27V, and IO = 5mA to 350mA Legacy chip and new chip 11.5 12 12.5 V
TJ = 0°C to 125°C 11.4 12.6
Output voltage line regulation  IO = 200mA, VIN = 14.5V to 30V Legacy chip 8 100 mV
New chip 8 40
IO = 200mA, VIN = 16V to 30V Legacy chip 2 50
New chip 2 35
Ripple rejection VI = 15V to 25V, f = 120Hz IO = 100mA,TJ = 0°C to 125°C Legacy chip 55 dB
New chip 42
IO = 300mA Legacy chip 55 80
New chip 42 80
Output voltage load regulation IO = 5mA to 500mA Legacy chip 25 240 mV
New chip 25 120
IO = 5mA to 200mA Legacy chip 10 120
New chip 10 60
Temperature coefficient of output voltage IO = 5mA TJ = 0°C to 125°C Legacy chip and new chip -1 mV/°C
Output noise voltage f = 10Hz to 100kHz Legacy chip 75 µVrms
New chip 300
Dropout voltage Legacy chip and new chip 2.0 V
Bias current Legacy chip and new chip 4.8 6 mA
Bias current change VI = 14.5V to 30V, IO = 200mA TJ = 0°C to 125°C Legacy chip and new chip 0.8 mA
IO = 5mA to 350mA Legacy chip and new chip 0.5
Short-circuit output current VI = 35V Legacy chip 240 mA
VI = 30V New chip 400
Peak output current Legacy chip 700 mA
Peak output current New chip 760
(1) Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately.