SLVS165N
April 1998 – July 2022
TPS3820
,
TPS3823
,
TPS3824
,
TPS3825
,
TPS3828
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Electrical Characteristics for TPS3823A-33 only
7.7
Timing Requirements
7.8
Switching Characteristics
7.9
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Manual Reset (MR)
8.3.2
Active-High or Active-Low Output
8.3.3
Push-Pull or Open-Drain Output
8.3.4
Watchdog Timer (WDI)
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Supply Rail Monitoring With Watchdog Time-Out and 200-ms Delay
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.2.2
Decoupling WDI During Reset Event
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.1.1.1
Spice Models
12.1.2
Device Nomenclature
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
Support Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvs165n_oa
slvs165n_pm
7.9
Typical Characteristics
Figure 7-2
Normalized Input Threshold Voltage vs Free-Air Temperature at V
DD
Figure 7-4
Input Current vs Input Voltage at
MR
Figure 7-6
High-Level Output Voltage vs High-Level Output Current
Figure 7-8
Minimum Pulse Duration at V
DD
vs V
DD
Threshold Overdrive
Figure 7-10
Reset Delay Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)
Figure 7-12
Watchdog Timeout Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
Figure 7-14
Watchdog Timeout Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
Figure 7-16
VDD to Reset Delay Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)
Figure 7-18
VDD Pulse Width Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
Figure 7-20
VDD Pulse Width Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
Figure 7-22
Manual Reset Pulse Width Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)
Figure 7-24
WDI Pulse Width Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
Figure 7-26
WDI Pulse Width Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
Figure 7-3
Supply Current vs Supply Voltage
Figure 7-5
Low-Level Output Voltage vs Low-Level Output Current
Figure 7-7
High-Level Output Voltage vs High-Level Output Current
Figure 7-9
Reset Delay Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
Figure 7-11
Reset Delay Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
Figure 7-13
Watchdog Timeout Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)
Figure 7-15
VDD to Reset Delay Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
Figure 7-17
VDD to Reset Delay Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
Figure 7-19
VDD Pulse Width Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)
Figure 7-21
Manual Reset Pulse Width Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
Figure 7-23
Manual Reset Pulse Width Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
Figure 7-25
WDI Pulse Width Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)