SNIS191A
July 2015 – July 2015
LM57-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
LM57-Q1 VTEMP Temperature-to-Voltage Transfer Function
7.3.1.1
LM57-Q1 VTEMP Voltage-to-Temperature Equations
7.3.2
RSENSE
7.3.3
Resistor Selection
7.3.4
TOVER and TOVER Digital Outputs
7.3.4.1
TOVER and TOVER Noise Immunity
7.3.5
Trip Test Digital Input
7.3.6
VTEMP Analog Temperature Sensor Output
7.3.6.1
VTEMP Noise Considerations
7.3.6.2
VTEMP Capacitive Loads
7.3.6.3
VTEMP Voltage Shift
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
ADC Input Considerations
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Selection of RSENSE Resistors
8.2.3
Application Curves
8.2.4
Grounding of the TRIP TEST Pin
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Temperature Considerations
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Community Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|8
MPDS568
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snis191a_oa
snis191a_pm