Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js
Menu
Product
Email
PDF
Order now
LM3488/-Q1 Automotive High-Efficiency Controller for Boost, SEPIC and Fly-Back DC-DC Converters
SNVS089O
July 2000 – July 2015
LM3488
PRODUCTION DATA.
CONTENTS
SEARCH
LM3488/-Q1 Automotive High-Efficiency Controller for Boost, SEPIC and Fly-Back DC-DC Converters
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 : LM3488
6.3
ESD Ratings: LM3488-Q1
6.4
Recommended Operating Conditions
6.5
Thermal Information
6.6
Electrical Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Slope Compensation Ramp
7.3.2
Frequency Adjust/Synchronization/Shutdown
7.3.3
Short-Circuit Protection
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Boost Converter
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Custom Design with WEBENCH Tools
8.2.1.2.2
Power Inductor Selection
8.2.1.2.3
Programming the Output Voltage
8.2.1.2.4
Setting the Current Limit
8.2.1.2.5
Current Limit with External Slope Compensation
8.2.1.2.6
Power Diode Selection
8.2.1.2.7
Power MOSFET Selection
8.2.1.2.8
Input Capacitor Selection
8.2.1.2.9
Output Capacitor Selection
8.2.1.3
Application Curve
8.2.2
Designing SEPIC Using LM3488
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
Power MOSFET Selection
8.2.2.2.2
Power Diode Selection
8.2.2.2.3
Selection Of Inductors L1 and L2
8.2.2.2.4
Sense Resistor Selection
8.2.2.2.5
SEPIC Capacitor Selection
8.2.2.2.6
Input Capacitor Selection
8.2.2.2.7
Output Capacitor Selection
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Custom Design with WEBENCH Tools
11.2
Receiving Notification of Documentation Updates
11.3
Related Links
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)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvs089o_oa
snvs089o_pm
search
No matches found.
Full reading width
Full reading width
Comfortable reading width
Expanded reading width
Card for each section
Card with all content