JAJSQ32A
August 2023 – January 2024
TPS7A53B
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Voltage Regulation Features
6.3.1.1
DC Regulation
6.3.1.2
AC and Transient Response
6.3.2
System Start-Up Features
6.3.2.1
Programmable Soft-Start (NR/SS Pin)
6.3.2.2
Internal Sequencing
6.3.2.2.1
Enable (EN)
6.3.2.2.2
Undervoltage Lockout (UVLO) Control
6.3.2.2.3
Active Discharge
6.3.2.3
Power-Good Output (PG)
6.3.3
Internal Protection Features
6.3.3.1
Foldback Current Limit (ICL)
6.3.3.2
Thermal Protection (Tsd)
6.4
Device Functional Modes
6.4.1
Regulation
6.4.2
Disabled
6.4.3
Current Limit Operation
7
Application and Implementation
7.1
Application Information
7.1.1
Recommended Capacitor Types
7.1.1.1
Input and Output Capacitor Requirements (CIN and COUT)
7.1.1.2
Noise-Reduction and Soft-Start Capacitor (CNR/SS)
7.1.1.3
Feed-Forward Capacitor (CFF)
7.1.2
Soft-Start and Inrush Current
7.1.3
Optimizing Noise and PSRR
7.1.4
Charge Pump Noise
7.1.5
Current Sharing
7.1.6
Adjustable Operation
7.1.7
Power-Good Operation
7.1.8
Undervoltage Lockout (UVLO) Operation
7.1.9
Dropout Voltage (VDO)
7.1.10
Device Behavior During Transition From Dropout Into Regulation
7.1.11
Load Transient Response
7.1.12
Reverse Current Protection Considerations
7.1.13
Power Dissipation (PD)
7.1.14
Estimating Junction Temperature
7.1.15
TPS7A53EVM Thermal Analysis
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.1.1
Board Layout
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Device Nomenclature
8.2
Documentation Support
8.2.1
Related Documentation
8.3
ドキュメントの更新通知を受け取る方法
8.4
サポート・リソース
8.5
Trademarks
8.6
静電気放電に関する注意事項
8.7
用語集
9
Revision History
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)
RPS|12
MPQF552
サーマルパッド・メカニカル・データ
発注情報
jajsq32a_oa
jajsq32a_pm
1
特長
ライン、負荷、温度範囲にわたる精度 (BIAS あり):0.5%
出力電圧ノイズ:4.6μV
RMS
低いドロップアウト:BIAS 印加、3A 出力時に 110mV (最大)
電源電圧変動除去比:
500kHz 時に 48dB
入力電圧範囲:
BIAS なし:1.4V~6.5V
BIAS あり:1.1V~6.5V
可変出力電圧範囲:0.5V ~ 5.15V
可変のソフトスタート突入電流制御
オープン ドレインのパワー グッド (PG) 出力
2.5mm × 2.2mmの 12 ピン VQFN パッケージ