JAJSD18C
February 2017 – December 2022
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
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
サポート・リソース
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
PWP|16
MPDS371A
サーマルパッド・メカニカル・データ
PWP|16
PPTD312C
発注情報
jajsd18c_oa
jajsd18c_pm
8.4
Layout