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LM2675 SIMPLE SWITCHER® Power Converter High Efficiency 1-A Step-Down Voltage Regulator
SNVS129F
May 2004 – June 2016
LM2675
PRODUCTION DATA.
CONTENTS
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LM2675 SIMPLE SWITCHER® Power Converter High Efficiency 1-A Step-Down Voltage Regulator
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
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 - 3.3 V
7.6
Electrical Characteristics - 5 V
7.7
Electrical Characteristics - 12 V
7.8
Electrical Characteristics - Adjustable
7.9
Electrical Characteristics - All Output Voltage Versions
7.10
Typical Characteristics
7.11
Typical Characteristics - Fixed Output Voltage Versions
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Adjustable Output Voltage
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Active Mode
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Fixed Output Voltage Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Inductor Selection (L1)
9.2.1.2.2
Output Capacitor Selection (COUT)
9.2.1.2.3
Catch Diode Selection (D1)
9.2.1.2.4
Input Capacitor (CIN)
9.2.1.2.5
Boost Capacitor (CB)
9.2.1.3
Application Curves
9.2.2
Adjustable Output Voltage Application
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Programming Output Voltage
9.2.2.2.2
Inductor Selection (L1)
9.2.2.2.3
Output Capacitor SeIection (COUT)
9.2.2.2.4
Catch Diode Selection (D1)
9.2.2.2.5
Input Capacitor (CIN)
9.2.2.2.6
Boost Capacitor (CB)
9.2.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
WSON Package Devices
11.2
Layout Examples
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
NHN|16
MPDS423
P|8
MPDI001B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
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