ZHCSJX1B
NOVEMBER 2008 – June 2019
TPS40197
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用电路
4
修订历史记录
5
说明 (续)
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Package Dissipation Ratings
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Enable
8.3.2
Oscillator
8.3.3
UVLO
8.3.4
Start-up Sequence and Timing
8.3.5
Selecting the Short Circuit Current
8.3.6
Voltage Reference and Dynamic VID
8.3.7
Minimum On-Time Consideration
8.3.8
BP Regulator
8.3.9
Prebias Start-up
8.3.10
Drivers
8.3.11
Power Good
8.3.12
Thermal Shutdown
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
10
器件和文档支持
10.1
器件支持
10.1.1
第三方产品免责声明
10.2
文档支持
10.2.1
相关器件
10.2.2
相关文档
10.3
接收文档更新通知
10.4
社区资源
10.5
商标
10.6
静电放电警告
10.7
Glossary
11
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
RGY|16
MPQF115G
散热焊盘机械数据 (封装 | 引脚)
RGY|16
QFND040P
订购信息
zhcsjx1b_oa
zhcsjx1b_pm
7.6
Typical Characteristics
Figure 1.
Relative Oscllator Frequency vs Junction Temperature
Figure 3.
Shutdown Current vs Junction Temperature
Figure 2.
Relative Reference Voltage Change vs Junction Temperature
Figure 4.
Enable Threshold vs Junction Temperature
Figure 5.
Soft-Start Time vs Junction Temperature
Figure 7.
High-Side MOSFET Current Limit Threshold vs Junction Temperature
Figure 6.
Low-Side MOSFET Current Limit Threshold vs Junction Temperature
Figure 8.
Total Time-To-Regulation vs Junction Temperature
Figure 9.
Relative Overcurrent Trip Point vs Freewheel Time
Figure 11.
VID Threshold Voltage vs Junction Temperature
Figure 10.
Relative Power Good Threshold vs Junction Temperature
Figure 12.
REF Source/Sink Current vs Junction Temperature
Figure 13.
VID Pullup Current vs Junction Temperature