ZHCSJL1C
September 2010 – April 2019
TPS61251
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
4
修订历史记录
5
说明 (续)
6
Device Options
7
Pin Configuration and Functions
Pin Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Current Limit Operation
9.3.2
Soft Start
9.3.3
Enable
9.3.4
Undervoltage Lockout (UVLO)
9.3.5
Power Good
9.3.6
Input Overvoltage Protection
9.3.7
Load Disconnect and Reverse Current Protection
9.3.8
Thermal Regulation
9.3.9
Thermal Shutdown
9.4
Device Functional Modes
9.4.1
Power-Save Mode
9.4.2
Snooze Mode
9.4.3
100% Duty-Cycle Mode
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Custom Design With WEBENCH® Tools
10.2.2.2
Output Voltage Setting
10.2.2.3
Average Input Current Limit
10.2.2.4
Maximum Output Current
10.2.2.5
Inductor Selection
10.2.2.6
Output Capacitor
10.2.2.7
Input Capacitor
10.2.2.8
Checking Loop Stability
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
12.3
Thermal Consideration
13
器件和文档支持
13.1
器件支持
13.1.1
第三方产品免责声明
13.2
开发支持
13.2.1
使用 WEBENCH® 工具创建定制设计
13.3
接收文档更新通知
13.4
社区资源
13.5
商标
13.6
静电放电警告
13.7
术语表
14
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DSG|8
MPDS308C
散热焊盘机械数据 (封装 | 引脚)
DSG|8
QFND141I
订购信息
zhcsjl1c_oa
zhcsjl1c_pm
Device Images
简化原理图