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TPS61086 18.5-V PFM – PWM Step-Up DC – DC Converter With 2.0-A Switch
SLVSA05B
August 2009 – August 2015
TPS61086
PRODUCTION DATA.
CONTENTS
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TPS61086 18.5-V PFM – PWM Step-Up DC – DC Converter With 2.0-A Switch
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Soft-Start
7.3.2
Undervoltage Lockout (UVLO)
7.3.3
Thermal Shutdown
7.3.4
Overvoltage Prevention
7.4
Device Functional Modes
7.4.1
Power Save Mode
7.4.2
Forced PWM Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
3.3-V to 12-V Boost Converter With PFM Mode at Light Load
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Inductor Selection
8.2.1.2.2
Rectifier Diode Selection
8.2.1.2.3
Setting the Output Voltage
8.2.1.2.4
Compensation (COMP)
8.2.1.2.5
Input Capacitor Selection
8.2.1.2.6
Output Capacitor Selection
8.2.1.3
Application Curves
8.2.2
3.3-V to 12-V Boost Converter With Forced PWM Mode at Light Load
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curves
8.3
System Examples
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Community Resources
11.2
Trademarks
11.3
Electrostatic Discharge Caution
11.4
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
DRC|10
QFND013N
Orderable Information
slvsa05b_oa
slvsa05b_pm
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