JAJSBU2G
August 2011 – April 2021
TPS53355
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 (1)
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Infomation
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
5-V LDO and VREG Start-Up
7.3.2
Adaptive On-Time D-CAP Control and Frequency Selection
7.3.3
Ramp Signal
7.3.4
Adaptive Zero Crossing
7.3.5
Power-Good
7.3.6
Current Sense, Overcurrent and Short Circuit Protection
7.3.7
Overvoltage and Undervoltage Protection
7.3.8
UVLO Protection
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Enable, Soft Start, and Mode Selection
7.4.2
Auto-Skip Eco-mode™ Light Load Operation
7.4.3
Forced Continuous Conduction Mode
8
Application and Implementation
8.1
Application Information
8.1.1
Small Signal Model
8.2
Typical Applications
8.2.1
Typical Application Circuit Diagram with Ceramic Output Capacitors
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Custom Design With WEBENCH® Tools
8.2.1.2.2
External Component Selection
8.2.1.2.3
External Component Selection Using All Ceramic Output Capacitors
8.2.1.3
Application Curves
8.2.2
Typical Application Circuit
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
External Component Selection
8.2.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.1.2
Development Support
11.1.2.1
Custom Design With WEBENCH® Tools
11.2
Receiving Notification of Documentation Updates
11.3
サポート・リソース
11.4
Trademarks
11.5
静電気放電に関する注意事項
11.6
用語集
12
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
メカニカル・データ(パッケージ|ピン)
DQP|22
サーマルパッド・メカニカル・データ
DQP|22
QFND267C
発注情報
jajsbu2g_oa
jajsbu2g_pm
8.2.1
Typical Application Circuit Diagram with Ceramic Output Capacitors
Figure 8-2
Typical Application Circuit Diagram with Ceramic Output Capacitors Schematic