JAJSPB4
November 2022
TPSM82901
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Mode Selection and Device Configuration (MODE/S-CONF)
7.3.2
Adjustable VO Operation (External Voltage Divider)
7.3.3
Setable VO Operation (VSET and Internal Voltage Divider)
7.3.4
Soft Start/Tracking (SS/TR)
7.3.5
Smart Enable with Precise Threshold
7.3.6
Power Good (PG)
7.3.7
Undervoltage Lockout (UVLO)
7.3.8
Current Limit And Short Circuit Protection
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Pulse Width Modulation (PWM) Operation
7.4.2
AEE (Automatic Efficiency Enhancement)
7.4.3
Power Save Mode Operation (Auto PFM/PWM)
7.4.4
100% Duty-Cycle Operation
7.4.5
Output Discharge Function
7.4.6
Starting into a Pre-Biased Load
8
Application and Implementation
8.1
Application Information
8.2
Typical Application with Adjustable Output Voltage
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Programming the Output Voltage
8.2.2.3
Capacitor Selection
8.2.2.3.1
Output Capacitor
8.2.2.3.2
Input Capacitor
8.2.2.3.3
Soft-Start Capacitor
8.2.2.4
Tracking Function
8.2.3
Application Curves
8.3
Typical Application with Setable VO Using VSET
8.3.1
Design Requirements
8.3.2
Detailed Design Procedure
8.3.3
Application Curves
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
8.5.2.1
Thermal Considerations
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.1.2
Development Support
9.1.2.1
Custom Design With WEBENCH® Tools
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)
SIS|11
MPQS047A
サーマルパッド・メカニカル・データ
発注情報
jajspb4_oa
6.6
Typical Characteristics
Figure 6-1
Typical Quiescent Current vs V
IN
Figure 6-3
Typical Shutdown Current
Figure 6-2
Maximum Quiescent Current vs Temperature
Figure 6-4
Output Voltage Accuracy – VFEB Selected