SNVS115E
April 2000 – June 2019
LM2587
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
ESDRatings
6.3
Recommended Operating Ratings
6.4
Thermal Information
6.5
Electrical Characteristics: 3.3 V
6.6
Electrical Characteristics: 5 V
6.7
Electrical Characteristics: 12 V
6.8
Electrical Characteristics: Adjustable
6.9
Electrical Characteristics: All Output Voltage Versions
6.10
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Step-Up (Boost) Regulator Operation
8
Application And Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Typical Boost Regulator Applications
8.2.2
Typical Flyback Regulator Applications
8.2.2.1
Transformer Selection (T)
8.2.2.2
Transformer Footprints
8.2.2.2.0.1
T4
8.2.3
Design Requirements
8.2.4
Detailed Design Procedure
8.2.4.1
Custom Design With Webench® Tools
8.2.4.2
Programming Output Voltage (Selecting R1 And R2)
8.2.4.3
Short Circuit Condition
8.2.4.4
Flyback Regulator Input Capacitors
8.2.4.5
Switch Voltage Limits
8.2.4.6
Output Voltage Limitations
8.2.4.7
Noisy Input Line Condition)
8.2.4.8
Stability
8.3
Additional Application Examples
8.3.1
Test Circuits
9
Layout
9.1
Layout Guidelines
9.2
Layout Example
9.3
Heat Sink/Thermal Considerations
9.3.1
European Magnetic Vendor Contacts
9.3.2
Coilcraft
9.3.3
Pulse Engineering
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)
NDH|5
MMSF011
KTT|5
MPSF007E
Thermal pad, mechanical data (Package|Pins)
KTT|5
PPTD277
Orderable Information
snvs115e_oa
snvs115e_pm
7
Detailed Description