SLVSC68A
June 2015 – June 2015
TPS62745
,
TPS627451
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Typical Application Schematic
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Characteristics
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
DCS-Control™
8.3.2
Enable / Shutdown
8.3.3
Power Good Output (PG)
8.3.4
Output Voltage Selection (VSEL1 - 4)
8.3.5
Input Voltage Switch
8.4
Device Functional Modes
8.4.1
Soft Start
8.5
VOUT Discharge
8.6
Internal Current Limit
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Output Voltage Selection (VSEL1 - 4)
9.2.2.2
Output Filter Design (Inductor and Output Capacitor)
9.2.2.3
Inductor Selection
9.2.2.4
DC/DC Output Capacitor Selection
9.2.2.5
Input Capacitor Selection
9.2.3
Application Curves
9.3
System Examples
9.3.1
TPS62745 Set to a Fixed Voltage of 3.3 V
9.3.1.1
Design Requirements
9.3.1.2
Detailed Design Procedure
9.3.1.3
Application Curves
9.3.2
Dynamic Voltage Change on TPS62745
9.3.2.1
Design Requirements
9.3.2.2
Detailed Design Procedure
9.3.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Related Links
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DSS|12
MPDS336C
サーマルパッド・メカニカル・データ
DSS|12
QFND199C
発注情報
slvsc68a_oa
slvsc68a_pm
5 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.