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TPS7B85-Q1 150mA、40V、低ドロップアウト・レギュレータパワー・グッドおよび内蔵電圧監視機能搭載 (Rev. A 翻訳版)
JAJSIN6A
February 2020 – November 2020
TPS7B85-Q1
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TPS7B85-Q1 150mA、40V、低ドロップアウト・レギュレータパワー・グッドおよび内蔵電圧監視機能搭載 (Rev. A 翻訳版)
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
Enable (EN)
7.3.2
Power-Good (PG)
7.3.2.1
Adjustable Power-Good (PGADJ)
7.3.3
Adjustable Power-Good Delay Timer (DELAY)
7.3.4
Sense Comparator
7.3.5
Undervoltage Lockout
7.3.6
Thermal Shutdown
7.3.7
Current Limit
7.4
Device Functional Modes
7.4.1
Device Functional Mode Comparison
7.4.2
Normal Operation
7.4.3
Dropout Operation
7.4.4
Disabled
8
Application and Implementation
8.1
Application Information
8.1.1
Input and Output Capacitor Selection
8.1.2
Dropout Voltage
8.1.3
Reverse Current
8.1.4
Power Dissipation (PD)
8.1.4.1
Thermal Performance Versus Copper Area
8.1.5
Estimating Junction Temperature
8.1.6
SI Pin
8.1.6.1
Calculating the Sense Input (SI) Pin Threshold
8.1.6.2
Different Uses for the Sense Input Pin
8.1.6.2.1
Monitoring Input Voltage
8.1.6.2.2
Creating OV and UV Power-Good
8.1.6.2.3
Monitoring a Separate Supply Voltage
8.1.7
Pulling Up the SO and PG Pins to a Different Voltage
8.1.8
Power-Good
8.1.8.1
Setting the Adjustable Power-Good Threshold
8.1.8.2
Setting the Adjustable Power-Good Delay
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
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Package Mounting
10.1.2
Board Layout Recommendations to Improve PSRR and Noise Performance
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Device Nomenclature
11.2
ドキュメントの更新通知を受け取る方法
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
重要なお知らせ
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）
DRC|10
MPDS117L
サーマルパッド・メカニカル・データ
DRC|10
QFND652
発注情報
jajsin6a_oa
jajsin6a_pm
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