JAJSSQ9
June 2024
ADVANCE INFORMATION
1
1
特長
2
アプリケーション
3
概要
4
Device Options
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
I2C Interface Timing Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Save Mode
7.3.2
Forced PWM Mode
7.3.3
Optimized Transient Performance from PWM to PSM Operation
7.3.4
Low Dropout Operation (100% Duty Cycle)
7.3.5
Enable and Soft-Start Ramp
7.3.6
Switch Current Limit and HICCUP Short-Circuit Protection
7.3.7
Undervoltage Lockout
7.3.8
Thermal Warning and Shutdown
7.4
Device Functional Modes
7.4.1
Enable and Disable (EN)
7.4.2
Output Discharge
7.4.3
Start-Up Output Voltage and I2C Target Address Selection (VSET)
7.4.4
Select Output Voltage Registers (VID)
7.5
Programming
7.5.1
Serial Interface Description
7.5.2
Standard-Mode, Fast-Mode, and Fast-Mode Plus Protocol
7.5.3
HS-Mode Protocol
7.5.4
I2C Update Sequence
7.5.5
I2C Register Reset
8
Register Map
8.1
Target Address Byte
8.2
Register Address Byte
8.3
VOUT Register 1
8.4
VOUT Register 2
8.5
CONTROL Register
8.6
STATUS Register
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Input and Output Capacitor Selection
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
9.4.2.1
Thermal Considerations
10
Device and Documentation Support
10.1
Device Support
10.1.1
サード・パーティ製品に関する免責事項
10.2
Documentation Support
10.2.1
Related Documentation
10.3
ドキュメントの更新通知を受け取る方法
10.4
サポート・リソース
10.5
Trademarks
10.6
静電気放電に関する注意事項
10.7
用語集
11
Revision History
12
Mechanical, Packaging, and Orderable Information
10.1
Device Support