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TPS54327 3-A Output Single Synchronous Step-Down Switcher With Integrated FET
SLVSAG1C
December 2010 – December 2015
TPS54327
PRODUCTION DATA.
CONTENTS
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TPS54327 3-A Output Single Synchronous Step-Down Switcher With Integrated FET
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
PWM Operation
7.3.2
PWM Frequency and Adaptive ON-Time Control
7.3.3
Soft-Start and Prebiased Soft-Start
7.3.4
Current Protection
7.3.5
UVLO Protection
7.3.6
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Forced CCM Operation
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Output Voltage Resistors Selection
8.2.2.2
Output Filter Selection
8.2.2.3
Input Capacitor Selection
8.2.2.4
Bootstrap Capacitor Selection
8.2.2.5
VREG5 Capacitor Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
10.3
Thermal Considerations
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Community Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DDA|8
MPDS092F
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
DDA|8
PPTD058I
DRC|10
QFND013N
Orderable Information
slvsag1c_oa
slvsag1c_pm
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