SLVS331J
December 2000 – August 2024
TPS3813
PRODUCTION DATA
1
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
Timing Requirements
6.7
Switching Characteristics
6.8
Dissipation Ratings
6.9
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Input Voltage (VDD)
7.3.1.1
VDD Hysteresis
7.3.1.2
VDD Glitch Immunity
7.3.2
User-Programmable Watchdog Timer (WDI)
7.3.3
RESET Output
7.4
Device Functional Modes
7.4.1
Normal Operation (VDD > VIT)
7.4.2
Above Power-On Reset But Less Than Threshold (VPOR < VDD < VIT)
7.4.3
Below Power-On Reset (VDD < VPOR)
7.5
Programming
7.5.1
Implementing Window-Watchdog Settings
7.5.2
Programmable Window-Watchdog by Using an External Capacitor
7.5.3
Lower Boundary Calculation
7.5.4
Watchdog Software Considerations
7.5.5
Power-Up Considerations
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curve
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Related Links
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|6
MPDS026Q
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvs331j_oa
slvs331j_pm
4
Device Comparison Table
T
A
(1)
DEVICE NAME
THRESHOLD VOLTAGE
MARKING
–40°C to +85°C
TPS3813J25DBV
2.25V
PCDI
TPS3813L30DBV
2.64V
PEZI
TPS3813K33DBV
2.93V
PFAI
TPS3813I50DBV
4.55V
PFBI
(1)
For the most current package and ordering information see the Package Option Addendum at the end of this document, or see the device product folder at
www.ti.com
.