SLVS537C June   2004  – May 2025 UA78M-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  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: UA78M33Q (Both Legacy and New Chip)
    6. 5.6 Electrical Characteristics: UA78M05Q (Both Legacy and New Chip)
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    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 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 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 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

5.6 Electrical Characteristics: UA78M05Q (Both Legacy and New Chip)

specified at TJ = 25°C, VI = 10V, CIN = 0.33 µF, COUT = 0.1µF, and IO = 350mA (unless otherwise noted)
PARAMETER TEST CONDITIONS(1) MIN TYP MAX UNIT
Output voltage VI = 7V to 20V, and IO = 5mA to 350mA 4.8 5 5.2 V
TJ = full range non-M3 version only 4.75 5.25
VI = 7.2V to 20V, and IO = 5mA to 350mA TJ = –40°C to 125°C M3 version only 4.75 5.25
Output voltage line regulation IO = 200mA, VIN = 7V to 25V non-M3 version only 3 100 mV
IO = 200mA, VIN = 7.2V to 25V M3 version only 13 30
IO = 200mA, VIN = 8V to 25V non-M3 version only 1 50
M3 version only 13 30
Ripple rejection VI = 8V to 18V, f = 120Hz IO = 100mA, TJ = full range non-M3 version only 62 dB
IO = 100mA, TJ = –40°C to 125°C M3 version only 56
IO = 300mA non-M3 version only 62 80
M3 version only 50 58
Output voltage load regulation IO = 5mA to 500mA non-M3 version only 20 100 mV
M3 version only 25 60
IO = 5mA to 200mA non-M3 version only 10 50
M3 version only 5 20
Temperature coefficient of output voltage IO = 5mA TJ = full range non-M3 version only –1 mV/°C
TJ = –40°C to 125°C M3 version only –1
Output noise voltage f = 10 Hz to 100 kHz non-M3 version only 40 200 µV
M3 version only 120 200
Dropout voltage non-M3 version only 2.0 V
M3 version only 2.0
Bias current non-M3 version only 4.5 6 mA
M3 version only 3.5 4.5 6
Bias current change VI = 8V to 25V, IO = 200mA TJ = full range non-M3 version only 0.8 mA
TJ = –40°C to 125°C M3 version only 0.8
IO = 5 mA to 350mA TJ = full range non-M3 version only 0.5
TJ = –40°C to 125°C M3 version only 0.5
Short-circuit output current VI = 35V non-M3 version only 300 mA
VI = 30V M3 version only 400
Peak output current non-M3 version only 700 mA
M3 version only 760
(1) All characteristics are measured with a 0.33µF capacitor across the input and a 0.1µF capacitor across the output. Thermal effects must be taken into account separately.Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately.