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TPS785-Q1 具有高精度和使能功能的汽车类 1A、高 PSRR 低压差稳压器
ZHCSN73B
January 2021 – January 2022
TPS785-Q1
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TPS785-Q1 具有高精度和使能功能的汽车类 1A、高 PSRR 低压差稳压器
1
特性
2
应用
3
说明
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 Diagrams
7.3
Feature Description
7.3.1
Foldback Current Limit
7.3.2
Output Enable
7.3.3
Active Discharge
7.3.4
Undervoltage Lockout (UVLO) Operation
7.3.5
Dropout Voltage
7.3.6
Thermal Shutdown
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
Recommended Capacitor Types
8.1.2
Input and Output Capacitor Requirements
8.1.3
Adjustable Device Feedback Resistors
8.1.4
Load Transient Response
8.1.5
Exiting Dropout
8.1.6
Dropout Voltage
8.1.7
Reverse Current
8.1.8
Feed-Forward Capacitor (CFF)
8.1.9
Power Dissipation (PD)
8.1.9.1
Estimating Junction Temperature
8.1.9.2
Recommended Area for Continuous Operation
8.1.9.3
Power Dissipation versus Ambient Temperature
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Additional Layout Considerations
10.2
Layout Examples
11
Device and Documentation Support
11.1
Device Support
11.1.1
Device Nomenclature
11.2
Documentation Support
11.2.1
Related Documentation
11.3
接收文档更新通知
11.4
支持资源
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
术语表
12
Mechanical, Packaging, and Orderable Information
重要声明
封装选项
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