SLVSAX2B
September 2011 – June 2020
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application
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
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Soft Start-up
7.3.2
Overcurrent Protection
7.3.3
Undervoltage Lockout
7.3.4
Thermal Shutdown
7.3.5
Enable and Shutdown
7.4
Device Functional Modes
7.4.1
PWM Program Mode
7.4.2
1-Wire Program Mode
7.4.3
EasyScale
7.5
Programming
7.5.1
Feedback Reference Program Mode Selection
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
12-V to 24-V DC-DC Power Conversion
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Program Output Voltage
8.2.1.2.2
Maximum Output Current
8.2.1.2.3
Switch Duty Cycle
8.2.1.2.4
Inductor Selection
8.2.1.2.5
Schottky Diode Selection
8.2.1.2.6
Compensation Capacitor Selection
8.2.1.2.7
Input and Output Capacitor Selection
8.2.1.3
Application Curve
8.2.2
5-V to 12-V DC-DC Power Conversion With Programmable Feedback Reference Voltage
8.2.3
12-V SEPIC (Buck-Boost) Converter
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
11
Device and Documentation Support