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

5.7 Typical Characteristics

specified at TJ = 25°C, CIN = 0.33μF, and COUT = 0.1μF, and IO = 1mA (unless otherwise noted)

uA78M-Q1 Output Voltage vs Temperature (M3 version)
VOUT = 5V, VIN = 10V
Figure 5-1 Output Voltage vs Temperature (M3 version)
uA78M-Q1 Line Regulation at TJ = 25°C (M3 version)
VIN = 10V, VOUT = 5V, IOUT = 350mA
Figure 5-3 Line Regulation at TJ = 25°C (M3 version)
uA78M-Q1 Bias Current vs Temperature (M3 version)
VOUT = 5V, VIN = 10V
Figure 5-5 Bias Current vs Temperature (M3 version)
uA78M-Q1 Output Voltage vs ICL (M3 version)
VIN = 8V, VO = 3.3V
Figure 5-7 Output Voltage vs ICL (M3 version)
uA78M-Q1 PSRR vs Frequency and IO (M3 version)
VI = 13V, VO = 5V
Figure 5-9 PSRR vs Frequency and IO (M3 version)
uA78M-Q1 Load Regulation at TJ = 25°C (M3 version)
VOUT = 5V, VIN = 10V
Figure 5-2 Load Regulation at TJ = 25°C (M3 version)
uA78M-Q1 Bias Current vs Input Voltage at TJ = 25°C (M3 version)
 
Figure 5-4 Bias Current vs Input Voltage at TJ = 25°C
(M3 version)
uA78M-Q1 ICL vs Input Voltage (M3 version)
VIN = 10V, VO = 0V
Figure 5-6 ICL vs Input Voltage (M3 version)
uA78M-Q1 Output Voltage vs ICL (M3 version)
VIN = 10V, VO = 5V
Figure 5-8 Output Voltage vs ICL (M3 version)
uA78M-Q1 Noise vs Frequency (M3 version)
VIN = 10V, VOUT = 5V, IOUT = 100mA, COUT = 0.1μF
Figure 5-10 Noise vs Frequency (M3 version)