JAJSN43A
December 2021 – September 2022
TPS7A21
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
Smart Enable (EN)
7.3.2
Low Output Noise
7.3.3
Active Discharge
7.3.4
Dropout Voltage
7.3.5
Foldback Current Limit
7.3.6
Undervoltage Lockout
7.3.7
Thermal Overload Protection (TSD)
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
Applications and Implementation
8.1
Application Information
8.1.1
Recommended Capacitor Types
8.1.2
Input and Output Capacitor Requirements
8.1.3
Load Transient Response
8.1.4
Undervoltage Lockout (UVLO) Operation
8.1.5
Power Dissipation (PD)
8.1.6
Estimating Junction Temperature
8.1.7
Recommended Area For Continuous Operation
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Power Dissipation and Device Operation
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
DSBGA Mounting
8.4.1.2
DSBGA Light Sensitivity
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Device Nomenclature
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
サポート・リソース
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Mechanical, Packaging, and Orderable Information
10.1
Mechanical Data
1
特長
超低 I
Q
:6.5μA
入力電圧範囲:2.0V~6.0V
出力電圧範囲:0.8V~5.5V (50mV 刻み)
高 PSRR:1kHz 時に 91dB
低い出力電圧ノイズ:7.7µV
RMS
低いドロップアウト:
500mA 出力時に 175mV (最大値) (2.5V の V
OUT
の場合)
スマート EN プルダウン
出力電圧許容誤差:
±1.5% (ライン、負荷、温度)
幅広いセラミック・コンデンサをサポート:
1µF~200µF
動作時接合部温度:–40℃~+125℃
パッケージ:
0.602mm × 0.602mm パワー DSBGA