JAJSN24A
November 2021 – June 2022
TPS22953-Q1
,
TPS22954-Q1
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
Recommended Operating Conditions
7.3
Thermal Information
7.4
Electrical Characteristics
7.5
Electrical Characteristics – VBIAS = 5 V
7.6
Electrical Characteristics – VBIAS = 3.3 V
7.7
Electrical Characteristics – VBIAS = 2.5 V
7.8
Switching Characteristics – CT = 1000 pF
7.9
Switching Characteristics – CT = 0 pF
7.10
Typical DC Characteristics
7.11
Typical Switching Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
On and Off Control (EN Pin)
9.3.2
Voltage Monitoring (SNS Pin)
9.3.3
Power Good (PG Pin)
9.3.4
Supervisor Fault Detection and Automatic Restart
9.3.5
Manual Restart
9.3.6
Thermal Shutdown
9.3.7
Reverse Current Blocking (TPS22953-Q1 Only)
9.3.8
Quick Output Discharge (QOD) (TPS22954-Q1 Only)
9.3.9
VIN and VBIAS Voltage Range
9.3.10
Adjustable Rise Time (CT Pin)
9.3.11
Power Sequencing
9.4
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.1.1
Input to Output Voltage Drop
10.1.2
Thermal Considerations
10.1.3
Automatic Power Sequencing
10.1.4
Monitoring a Downstream Voltage
10.1.5
Monitoring the Input Voltage
10.1.6
Break-Before-Make Power MUX (TPS22953-Q1 Only)
10.1.7
Make-Before-Break Power MUX (TPS22953-Q1 Only)
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Inrush Current
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
13.2
Receiving Notification of Documentation Updates
13.3
サポート・リソース
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
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)
DQC|10
MPSS005A
サーマルパッド・メカニカル・データ
DQC|10
QFND196E
発注情報
jajsn24a_oa
jajsn24a_pm
9.3
Feature Description