SLVS969G october   2009  β€“ august 2023 TL331-Q1 , TL331B-Q1 , TL391B-Q1

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings, TL331-Q1
    2. 6.2  Absolute Maximum Ratings, TL331B-Q1 and TL391B-Q1
    3. 6.3  ESD Ratings, All Devices
    4. 6.4  Recommended Operating Conditions, TL331-Q1
    5. 6.5  Recommended Operating Conditions, TL331B-Q1 and TL391B-Q1
    6. 6.6  Thermal Information
    7. 6.7  Electrical Characteristics, TL331B-Q1 and TL391B-Q1
    8. 6.8  Switching Characteristics, TL331B-Q1 and TL391B-Q1
    9. 6.9  Electrical Characteristics, TL331-Q1
    10. 6.10 Switching Characteristics, TL331-Q1
    11. 6.11 Typical Characteristics, TL331-Q1
    12. 6.12 Typical Characteristics, TL331B-Q1 and TL391B-Q1
  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 Voltage Comparison
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input Voltage Range
        2. 8.2.2.2 TL331B-Q1 and TL391B-Q1 ESD Protection
        3. 8.2.2.3 Minimum Overdrive Voltage
        4. 8.2.2.4 Output and Drive Current
        5. 8.2.2.5 Response Time
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

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

5 Pin Configuration and Functions

GUID-1C8F7EAC-E491-4E22-98A6-DEEDB2E969BE-low.gif
Note reversed inputs compared to similar popular pinout
Figure 5-1 TL331-Q1, TL331B-Q1 DBV Package
5-Pin SOT-23
Top View
GUID-0C914DE7-EBAC-4BA8-9996-22F743368978-low.gif
Note reversed inputs compared to similar popular pinout
Figure 5-2 TL391B-Q1 DBV Package
5-Pin SOT-23
Top View
Table 5-1 Pin Functions
PIN TYPE DESCRIPTION
TL331-Q1, TL331B-Q1 TL391B-Q1
NAME NO. NO.
IN+ 3 4 I Positive Input
IN– 1 3 I Negative Input
OUT 4 1 O Open Collector/Drain Output
VCC 5 5 β€” Power Supply Input
GND 2 2 β€” Ground