JAJSEQ4A
February 2018 – April 2018
TPSM84424
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
概略回路図
過渡応答
4
改訂履歴
5
Pin Configuration and Functions
Pin 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 (VIN = 12 V)
6.8
Typical Characteristics (VIN = 5 V)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Adjusting the Output Voltage
7.3.2
Switching Frequency (RT)
7.3.3
Synchronization (CLK)
7.3.4
Output On/Off Enable (EN)
7.3.5
Input Capacitor Selection
7.3.6
Output Capacitor Selection
7.3.7
TurboTrans (TT)
7.3.7.1
Low-ESR Output Capacitors
7.3.7.2
Transient Response
7.3.7.2.1
Transient Waveforms (VIN = 12 V)
7.3.8
Undervoltage Lockout (UVLO)
7.3.9
Soft Start (SS/TR)
7.3.10
Sequencing (SS/TR)
7.3.11
Power Good (PGOOD)
7.3.12
Safe Start-up into Pre-Biased Outputs
7.3.13
Overcurrent Protection
7.3.14
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Active Mode
7.4.2
Shutdown Mode
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
Custom Design With WEBENCH® Tools
8.2.2.2
Output Voltage Setpoint
8.2.2.3
Setting the Switching Frequency
8.2.2.4
Input Capacitors
8.2.2.5
Output Capacitors
8.2.2.6
TurboTrans Resistor
8.2.2.7
Application Waveforms
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
10.3
EMI
10.3.1
EMI Plots
10.4
Package Specifications
11
デバイスおよびドキュメントのサポート
11.1
デバイス・サポート
11.1.1
デベロッパー・ネットワークの製品に関する免責事項
11.2
開発サポート
11.2.1
WEBENCH®ツールによるカスタム設計
11.3
ドキュメントの更新通知を受け取る方法
11.4
コミュニティ・リソース
11.5
商標
11.6
静電気放電に関する注意事項
11.7
Glossary
12
メカニカル、パッケージ、および注文情報
12.1
Tape and Reel Information
10.4
Package Specifications
TPSM84424
VALUE
UNIT
Weight
0.90
grams
Flammability
Meets UL 94 V-O
MTBF Calculated Reliability
Per Bellcore TR-332, 50% stress, T
A
= 40°C, ground benign
73.5
MHrs