SLCS141J May   2003  – November 2020 LM2903-Q1 , LM2903B-Q1

PRODUCTION DATA  

  1.   Features
  2.   Applications
  3.   Description
  4. 1Revision History
  5. 2Pin Configuration and Functions
    1. 2.1 Pin Functions
  6. 3Specifications
    1. 3.1  Absolute Maximum Ratings, LM2903-Q1 and LM2903E-Q1
    2. 3.2  Absolute Maximum Ratings, LM2903B-Q1
    3. 3.3  ESD Ratings, LM2903-Q1 and LM2903E-Q1
    4. 3.4  ESD Ratings, LM2903B-Q1
    5. 3.5  Recommended Operating Conditions, LM2903B-Q1
    6. 3.6  Recommended Operating Conditions, LM2903-Q1
    7. 3.7  Recommended Operating Conditions, LM2903E-Q1
    8. 3.8  Thermal Information, LM2903-Q1 and LM2903E-Q1
    9. 3.9  Thermal Information, LM2903B-Q1
    10. 3.10 Electrical Characteristics LM2903B - Q1
    11. 3.11 Switching Characteristics LM2903B - Q1
    12. 3.12 Electrical Characteristics, LM2903-Q1 and LM2903E-Q1
    13. 3.13 Switching Characteristics, LM2903-Q1 and LM2903E-Q1
    14. 3.14 Typical Characteristics, LM2903-Q1 and LM2903E-Q1 Only
    15. 3.15 Typical Characteristics, LM2903B-Q1 Only
  7. 4Detailed Description
    1. 4.1 Overview
    2. 4.2 Functional Block Diagram
    3. 4.3 Feature Description
    4. 4.4 Device Functional Modes
      1. 4.4.1 Voltage Comparison
  8. 5Application and Implementation
    1. 5.1 Application Information
    2. 5.2 Typical Application
      1. 5.2.1 Design Requirements
      2. 5.2.2 Detailed Design Procedure
        1. 5.2.2.1 Input Voltage Range
        2. 5.2.2.2 Minimum Overdrive Voltage
        3. 5.2.2.3 Output and Drive Current
        4. 5.2.2.4 Response Time
      3. 5.2.3 Application Curves
  9. 6Power Supply Recommendations
  10. 7Layout
    1. 7.1 Layout Guidelines
    2. 7.2 Layout Example
  11. 8Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    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
  12. 9Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|8
  • DGK|8
  • PW|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Thermal Information, LM2903B-Q1

THERMAL METRIC(1)LM2903B-Q1UNIT
D
(SOIC)
DGK
(VSSOP)
PW
(TSSOP)
DSG
(WSON)
DDF
(SOT-23)
8 PINS8 PINS8 PINS8 PINS8 PINS
RθJAJunction-to-ambient thermal resistance148.5193.7200.696.9197.9°C/W
RθJC(top)Junction-to-case (top) thermal resistance90.282.989.6119.0119.2
RθJBJunction-to-board thermal resistance91.8115.5131.363.1115.4
ψJTJunction-to-top characterization parameter38.520.822.112.419.4
ψJBJunction-to-board characterization parameter91.1113.9129.663.0113.7
RθJC(bot)Junction-to-case (bottom) thermal resistance---38.7-
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.