ZHCSOO0C
september 2021 – june 2023
TPS7A94
PRODUCTION DATA
1
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 Diagram
7.3
Feature Description
7.3.1
Output Voltage Setting and Regulation
7.3.2
Ultra-Low Noise and Ultra-High Power-Supply Rejection Ratio (PSRR)
7.3.3
Programmable Current Limit and Power-Good Threshold
7.3.4
Programmable Soft Start (NR/SS Pin)
7.3.5
Precision Enable and UVLO
7.3.6
Active Discharge
7.3.7
Thermal Shutdown Protection (TSD)
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Dropout Operation
7.4.3
Disabled
7.4.4
Current-Limit Operation
8
Application and Implementation
8.1
Application Information
8.1.1
Output Voltage Restart (Overshoot Prevention Circuit)
8.1.2
Precision Enable (External UVLO)
8.1.3
Undervoltage Lockout (UVLO) Operation
8.1.4
Dropout Voltage (VDO)
8.1.5
Power-Good Feedback (FB_PG Pin) and Power-Good Threshold (PG Pin)
8.1.6
Adjusting the Factory-Programmed Current Limit
8.1.7
Programmable Soft-Start and Noise-Reduction (NR/SS Pin)
8.1.8
Inrush Current
8.1.9
Optimizing Noise and PSRR
8.1.10
Adjustable Operation
8.1.11
Paralleling for Higher Output Current and Lower Noise
8.1.12
Recommended Capacitor Types
8.1.13
Load Transient Response
8.1.14
Power Dissipation (PD)
8.1.15
Estimating Junction Temperature
8.1.16
TPS7A94EVM-046 Thermal Analysis
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Board Layout
8.4.1.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Development Support
9.1.1.1
Evaluation Modules
9.1.1.2
Spice Models
9.1.2
Device Nomenclature
9.2
Documentation Support
9.2.1
Related Documentation
9.3
接收文档更新通知
9.4
支持资源
9.5
Trademarks
9.6
静电放电警告
9.7
术语表
10
Mechanical, Packaging, and Orderable Information
10.1
Mechanical Data
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
DSC|10
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsoo0c_oa
zhcsoo0c_pm
9.6
静电放电警告
静电放电 (ESD) 会损坏这个集成电路。德州仪器 (TI) 建议通过适当的预防措施处理所有集成电路。如果不遵守正确的处理和安装程序,可能会损坏集成电路。
ESD 的损坏小至导致微小的性能降级,大至整个器件故障。精密的集成电路可能更容易受到损坏,这是因为非常细微的参数更改都可能会导致器件与其发布的规格不相符。