SLVSDU9C
February 2017 – December 2022
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
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
Device Enable (EN)
7.3.2
Adjustable Power-Good Threshold (PG, PGADJ)
7.3.3
Adjustable Power-Good Delay Timer (DELAY)
7.3.4
Undervoltage Shutdown
7.3.5
Current Limit
7.3.6
Thermal Shutdown
7.3.7
Integrated Watchdog
7.3.7.1
Window Watchdog (WTS, ROSC, FSEL and WRS)
7.3.7.2
Standard Watchdog (WTS, ROSC and FSEL)
7.3.7.3
Watchdog Service Signal and Watchdog Fault Outputs (WD and WDO)
7.3.7.4
ROSC Status Detection (ROSC)
7.3.7.5
Watchdog Enable (PG and WD_EN)
7.3.7.6
Watchdog Initialization
7.3.7.7
Window Watchdog Operation (WTS = Low)
7.3.7.8
Standard Watchdog Operation (WTS = High)
7.4
Device Functional Modes
7.4.1
Operation With Input Voltage Lower Than 4 V
7.4.2
Operation With Input Voltage Higher Than 4 V
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Input Capacitor
8.2.2.2
Output Capacitor
8.2.2.3
Power-Good Threshold
8.2.2.4
Power-Good Delay Period
8.2.2.5
Watchdog Setup
8.2.3
Application Curves
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
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|16
MPDS371A
Thermal pad, mechanical data (Package|Pins)
PWP|16
PPTD312C
Orderable Information
slvsdu9c_oa
slvsdu9c_pm
2
Applications
Automotive MCU power supplies
Body control modules (BCM)
Seat comfort modules
EV and HEV battery management systems (BMS)
Electronic gear shifters
Transmissions
Electrical power steering (EPS)