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LMZ14201H SIMPLE SWITCHER® 6V to 42V, 1A High Output Voltage Power Module
SNVS690I
January 2011 – August 2021
LMZ14201H
PRODUCTION DATA
CONTENTS
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LMZ14201H SIMPLE SWITCHER® 6V to 42V, 1A High Output Voltage Power Module
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
7.1.1
COT Control Circuit Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Output Overvoltage Comparator
7.3.2
Current Limit
7.3.3
Thermal Protection
7.3.4
Zero Coil Current Detection
7.3.5
Prebiased Start-Up
7.4
Device Functional Modes
7.4.1
Discontinuous Conduction and Continuous Conduction Modes
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
Design Steps for the LMZ14201H Application
8.2.2.1.1
Enable Divider, RENT and RENB Selection
8.2.2.1.2
Output Voltage Selection
8.2.2.1.3
Soft-Start Capacitor, CSS, Selection
8.2.2.1.4
Output Capacitor, CO, Selection
8.2.2.1.4.1
Capacitance
8.2.2.1.4.2
ESR
8.2.2.1.5
Input Capacitor, CIN, Selection
8.2.2.1.6
ON-Time, RON, Resistor Selection
8.2.2.1.6.1
Discontinuous Conduction and Continuous Conduction Mode Selection
8.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Power Module SMT Guidelines
10.2
Layout Example
10.2.1
Power Dissipation and Board Thermal Requirements
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
NDW|7
MMSF024
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvs690i_oa
snvs690i_pm
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