SNVS117E
April 1998 – June 2019
LM2588
PRODUCTION DATA.
1
Features
2
Typical Applications
3
Description
Device Images
Flyback Regulator
4
Revision History
5
Pin Configurations
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Ratings
6.4
Electrical Characteristics: 3.3 V
6.5
Electrical Characteristics: 5 V
6.6
Electrical Characteristics: 12 V
6.7
Electrical Characteristics: Adjustable
6.8
Electrical Characteristics: All Output Voltage Versions
6.9
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Flyback Regulator Operation
7.3.2
Step-Up (Boost) Regulator Operation
7.3.3
Shutdown Control
7.3.4
Frequency Adjustment
7.3.5
Frequency Synchronization
7.3.6
Programming Output Voltage (Selecting R1 And R2)
7.3.7
Short-Circuit Condition
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Typical Flyback Regulator Applications
8.2.1.1
Design Requirements
8.2.1.1.1
Transformer Selection (T)
8.2.1.1.2
Transformer Footprints
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Custom Design With WEBENCH® Tools
8.2.1.2.2
Flyback Regulator Input Capacitors
8.2.1.2.3
Switch Voltage Limits
8.2.1.2.4
Output Voltage Limitations
8.2.1.2.5
Noisy Input Line Condition
8.2.1.2.6
Stability
8.2.2
Typical Boost Regulator Applications
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.3
System Examples
8.3.1
Test Circuits
9
Layout
9.1
Layout Guidelines
9.2
Layout Example
9.3
Heat Sink/Thermal Considerations
10
Device and Documentation Support
10.1
Device Support
10.1.1
Third-Party Products Disclaimer
10.1.2
Development Support
10.1.2.1
Custom Design With WEBENCH® Tools
10.2
Receiving Notification of Documentation Updates
10.3
Community Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
KTW|7
MPSF015
NDZ|7
MMSF005
Thermal pad, mechanical data (Package|Pins)
KTW|7
PPTD278
Orderable Information
snvs117e_oa
snvs117e_pm
7
Detailed Description