SNVSAO6C
September 2017 – March 2018
LMZM33603
PRODUCTION DATA.
1
Features
2
Applications
Simplified Schematic
3
Description
Safe Operating Area
4
Revision History
5
Pin Configuration and Functions
Pin 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
Switching Characteristics
6.7
Typical Characteristics (VIN = 5 V)
6.8
Typical Characteristics (VIN = 12 V)
6.9
Typical Characteristics (VIN = 24 V)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Adjusting the Output Voltage
7.3.2
Feed-Forward Capacitor, CFF
7.3.3
Output Current vs Output Voltage
7.3.4
Voltage Dropout
7.3.5
Switching Frequency (RT)
7.3.6
Synchronization (SYNC)
7.3.7
Input Capacitors
7.3.8
Output Capacitors
7.3.9
Output On/Off Enable (EN)
7.3.10
Programmable Undervoltage Lockout (UVLO)
7.3.11
Power Good (PGOOD)
7.3.12
Overcurrent Protection (OCP)
7.3.13
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Active Mode
7.4.2
Shutdown Mode
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
Custom Design With WEBENCH® Tools
8.2.2.2
Output Voltage Setpoint
8.2.2.3
Feed-Forward Capacitor (CFF)
8.2.2.4
Setting the Switching Frequency
8.2.2.5
Input Capacitors
8.2.2.6
Output Capacitor Selection
8.2.2.7
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
10.3
Theta JA vs PCB Area
10.4
EMI
10.4.1
EMI Plots
10.5
Package Specifications
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.1.2
Custom Design With WEBENCH® Tools
11.2
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
12.1
Tape and Reel Information
2
Applications
Factory and Building Automation
Smart Grid and Energy
Industrial
Medical
Defense
Inverted Output Applications
Simplified Schematic