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TPS6211x 17-V, 1.5-A, Synchronous Step-Down Converter
SLVS585E
July 2005 – June 2015
TPS62110
,
TPS62111
,
TPS62112
,
TPS62113
PRODUCTION DATA.
CONTENTS
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TPS6211x 17-V, 1.5-A, Synchronous Step-Down Converter
1
Features
2
Applications
3
Description
4
Typical Application Schematic
5
Revision History
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
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Enable
9.3.2
Low-Battery Detector (Standard Version)
9.3.3
Enable/Low-Battery Detector - Enhanced Version (TPS62113 Only)
9.3.4
Power Good Comparator
9.3.5
Undervoltage Lockout
9.3.6
Synchronization
9.3.7
Thermal Shutdown
9.4
Device Functional Modes
9.4.1
Soft Start
9.4.2
Constant-Frequency Mode of Operation (Sync = High)
9.4.3
Power Save Mode of Operation (Sync = Low)
9.4.4
100% Duty-Cycle, Low-Dropout Operation
9.4.5
No-Load Operation
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Standard Connection for Adjustable Version
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
External Component Selection
10.2.1.2.2
Inductor Selection
10.2.1.2.3
Output Capacitor Selection
10.2.1.2.4
Input Capacitor Selection
10.2.1.2.5
Feedforward Capacitor Selection
10.2.1.2.6
Recommended Capacitors
10.2.1.3
Application Curves
10.2.2
Standard Connection for Fixed-Voltage Version
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.2.3
Application Curves
10.3
System Examples
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
Third-Party Products Disclaimer
13.2
Related Links
13.3
Community Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
RSA|16
MPQF145D
Thermal pad, mechanical data (Package|Pins)
RSA|16
QFND072M
Orderable Information
slvs585e_oa
slvs585e_pm
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