ZHCSE11A
June 2015 – June 2015
TPS62745
,
TPS627451
PRODUCTION DATA.
1
特性
2
应用
3
说明
4
典型应用电路原理图
5
修订历史记录
6
Device Comparison Table
7
Pin Configuration and 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
Timing Characteristics
8.7
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
DCS-Control™
9.3.2
Enable / Shutdown
9.3.3
Power Good Output (PG)
9.3.4
Output Voltage Selection (VSEL1 - 4)
9.3.5
Input Voltage Switch
9.4
Device Functional Modes
9.4.1
Soft Start
9.5
VOUT Discharge
9.6
Internal Current Limit
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
Output Voltage Selection (VSEL1 - 4)
10.2.2.2
Output Filter Design (Inductor and Output Capacitor)
10.2.2.3
Inductor Selection
10.2.2.4
DC/DC Output Capacitor Selection
10.2.2.5
Input Capacitor Selection
10.2.3
Application Curves
10.3
System Examples
10.3.1
TPS62745 Set to a Fixed Voltage of 3.3 V
10.3.1.1
Design Requirements
10.3.1.2
Detailed Design Procedure
10.3.1.3
Application Curves
10.3.2
Dynamic Voltage Change on TPS62745
10.3.2.1
Design Requirements
10.3.2.2
Detailed Design Procedure
10.3.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
器件和文档支持
13.1
器件支持
13.1.1
Third-Party Products Disclaimer
13.2
相关链接
13.3
社区资源
13.4
商标
13.5
静电放电警告
13.6
Glossary
14
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DSS|12
MPDS336C
散热焊盘机械数据 (封装 | 引脚)
DSS|12
QFND199C
订购信息
zhcse11a_oa
zhcse11a_pm
6 Device Comparison Table
(1)
Device Number
Output voltage range
marking
TPS62745
1.8 V to 3.3 V in 100-mV steps
PD5I
TPS627451
1.3 V to 2.8 V in 100-mV steps
PD6I
For all available packages, see the orderable addendum at the end of the datasheet.