SLVSCV5E March   2015  – December 2024 ATL431 , ATL432

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, ATL431Ax, ATL432Ax
    6. 5.6 Electrical Characteristics, ATL431Bx, ATL432Bx
    7. 5.7 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Open Loop (Comparator)
      2. 7.4.2 Closed Loop
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Comparator With Integrated Reference (Open-Loop)
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Basic Operation
          2. 8.2.1.2.2 Overdrive
          3. 8.2.1.2.3 Output Voltage and Logic Input Level
            1. 8.2.1.2.3.1 Input Resistance
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Shunt Regulator/Reference
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Programming Output/Cathode Voltage
          2. 8.2.2.2.2 Total Accuracy
          3. 8.2.2.2.3 Stability
        3. 8.2.2.3 Application Curves
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)

5.7 Typical Characteristics

Data at high and low temperatures are applicable only within the recommended operating free-air temperature ranges of the various devices.

ATL431 ATL432 Reference Voltage vs Free-Air Temperature
IKA=1mA
Figure 5-1 Reference Voltage vs Free-Air Temperature
ATL431 ATL432 Cathode Current vs Cathode Voltage
Figure 5-3 Cathode Current vs Cathode Voltage
ATL431 ATL432 Cathode Current vs Cathode Voltage
Figure 5-5 Cathode Current vs Cathode Voltage
ATL431 ATL432 Delta Reference Voltage vs Cathode Voltage
IKA=1mA
Figure 5-7 Delta Reference Voltage vs Cathode Voltage
ATL431 ATL432 Noise Voltage
IKA = 1mA
Figure 5-9 Noise Voltage
ATL431 ATL432 Output Impedance vs Frequency
Figure 6-5 used for this measurement.
Figure 5-11 Output Impedance vs Frequency
ATL431 ATL432 Pulse Response
IKA = 100µAFigure 6-7 used for this measurement.
Figure 5-13 Pulse Response
ATL431 ATL432 Low IKA (VKA = 5.0V) Stability Boundary Conditions All ATL43xx Devices
ESR < 20mΩFigure 6-6 used to verify stability.
Figure 5-15 Low IKA (VKA = 5.0V) Stability Boundary Conditions All ATL43xx Devices
ATL431 ATL432 Low IKA (VKA = 15.0V) Stability Boundary Conditions All ATL43xx Devices
ESR < 20mΩFigure 6-6 used to verify stability.
Figure 5-17 Low IKA (VKA = 15.0V) Stability Boundary Conditions All ATL43xx Devices
ATL431 ATL432 High IKA (VKA = 5.0V) Stability Boundary Conditions All ATL43xx Devices
ESR < 20mΩFigure 6-6 used to verify stability.
Figure 5-19 High IKA (VKA = 5.0V) Stability Boundary Conditions All ATL43xx Devices
ATL431 ATL432 High IKA (VKA = 15.0V) Stability Boundary Conditions All ATL43xx Devices
ESR < 20mΩFigure 6-6 used to verify stability.
Figure 5-21 High IKA (VKA = 15.0V) Stability Boundary Conditions All ATL43xx Devices
ATL431 ATL432 Reference Current vs Free-Air Temperature
Figure 5-2 Reference Current vs Free-Air Temperature
ATL431 ATL432 Cathode Current vs Cathode Voltage
Figure 5-4 Cathode Current vs Cathode Voltage
ATL431 ATL432 Off-State Cathode Current vs Free-Air Temperature
Figure 5-6 Off-State Cathode Current vs Free-Air Temperature
ATL431 ATL432 Delta Reference Voltage vs Cathode Voltage
IKA=1mA
Figure 5-8 Delta Reference Voltage vs Cathode Voltage
ATL431 ATL432 Small-Signal Voltage Amplification vs Frequency
Figure 6-4 used for this measurement.IKA=1mA
Figure 5-10 Small-Signal Voltage Amplification vs Frequency
ATL431 ATL432 DC Output Impedance vs Temperature
Figure 6-5 used for this measurement.
Figure 5-12 DC Output Impedance vs Temperature
ATL431 ATL432 Low IKA (VKA = 2.5V) Stability Boundary Conditions All ATL43xx Devices
ESR < 20mΩFigure 6-6 used to verify stability.
Figure 5-14 Low IKA (VKA = 2.5V) Stability Boundary Conditions All ATL43xx Devices
ATL431 ATL432 Low IKA (VKA = 10.0V) Stability Boundary Conditions All ATL43xx Devices
ESR < 20mΩFigure 6-6 used to verify stability.
Figure 5-16 Low IKA (VKA = 10.0V) Stability Boundary Conditions All ATL43xx Devices
ATL431 ATL432 High IKA (VKA = 2.5V) Stability Boundary Conditions All ATL43xx Devices
ESR < 20mΩFigure 6-6 used to verify stability.
Figure 5-18 High IKA (VKA = 2.5V) Stability Boundary Conditions All ATL43xx Devices
ATL431 ATL432 High IKA (VKA = 10.0V) Stability Boundary Conditions All ATL43xx Devices
ESR < 20mΩFigure 6-6 used to verify stability.
Figure 5-20 High IKA (VKA = 10.0V) Stability Boundary Conditions All ATL43xx Devices