SNOS773O
March 2000 – December 2023
LP2981-N
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Output Enable
6.3.2
Dropout Voltage
6.3.3
Current Limit
6.3.4
Undervoltage Lockout (UVLO)
6.3.5
Thermal Shutdown
6.3.6
Output Pulldown
6.4
Device Functional Modes
6.4.1
Device Functional Mode Comparison
6.4.2
Normal Operation
6.4.3
Dropout Operation
6.4.4
Disabled
7
Application and Implementation
7.1
Application Information
7.1.1
Recommended Capacitor Types
7.1.1.1
Recommended Capacitors for the Legacy Chip
7.1.1.2
Recommended Capacitors for the New Chip
7.1.2
Input and Output Capacitor Requirements
7.1.3
Estimating Junction Temperature
7.1.4
Power Dissipation (PD)
7.1.5
Reverse Current
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
ON and OFF Input Operation
7.2.3
Application Curves
8
Power Supply Recommendations
9
Layout
9.1
Layout Guidelines
9.2
Layout Example
10
Device and Documentation Support
10.1
Device Nomenclature
10.2
Third-Party Products Disclaimer
10.3
Receiving Notification of Documentation Updates
10.4
Related Documentation
10.5
Support Resources
10.6
Trademarks
10.7
Electrostatic Discharge Caution
10.8
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018S
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snos773o_oa
snos773o_pm
6
Detailed Description