SNVS121E May   1996  – May 2019 LM2586

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Typical Applications
  3. 3 Description
    1.     Device Images
      1.      Block Diagram
  4. 4 Revision History
  5. 5 Pin Configurations
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Ratings
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics: 3.3 V
    6. 6.6 Electrical Characteristics: 5 V
    7. 6.7 Electrical Characteristics: 12 V
    8. 6.8 Electrical Characteristics: Adjustable
    9. 6.9 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Flyback Regulator Operation
      2. 7.3.2 Step-Up (Boost) Regulator Operation
      3. 7.3.3 Programming Output Voltage (Selecting R1 And R2)
      4. 7.3.4 Shutdown Control
      5. 7.3.5 Frequency Adjustment
      6. 7.3.6 Frequency Synchronization
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Typical Flyback Regulator Applications
        1. 8.2.1.1 Design Requirements
          1. 8.2.1.1.1 Transformer Selection (T)
          2. 8.2.1.1.2 Transformer Footprints
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 8.2.1.2.2 Flyback Regulator Input Capacitors
          3. 8.2.1.2.3 Switch Voltage Limits
          4. 8.2.1.2.4 Output Voltage Limitations
          5. 8.2.1.2.5 Noisy Input Line Condition
          6. 8.2.1.2.6 Stability
      2. 8.2.2 Typical Boost Regulator Applications
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
    3. 8.3 System Examples
      1. 8.3.1 Test Circuits
  9. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
  10. 10Heat Sink/Thermal Considerations
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.2.1.1.2 Transformer Footprints

Figure 33 through Figure 47 show the footprints of each transformer, listed in Table 3.

LM2586 01251633.png
Figure 33. Coilcraft S6000-A (Top View)
LM2586 01251635.png
Figure 35. Coilcraft Q4437-B (Surface Mount) (Top View)
LM2586 01251637.png
Figure 37. Coilcraft S6057-A
(Surface Mount) (Top View)
LM2586 01251639.png
Figure 39. Pulse PE-68482 (Top View)
LM2586 01251642.png
Figure 41. Pulse PE-68413
(Surface Mount) (Top View)
LM2586 01251645.png
Figure 43. Renco Rl-5533 (Top View)
LM2586 01251647.png
Figure 45. Schott 26606 (Top View)
LM2586 01251650.png
Figure 47. Schott 67140890 (Top View)
LM2586 01251634.png
Figure 34. Coilcraft Q4339-B (Top View)
LM2586 01251636.png
Figure 36. Coilcraft Q4338-B (Top View)
LM2586 01251638.png
Figure 38. Coilcraft Q4438-B
(Surface Mount) (Top View)
LM2586 01251640.png
Figure 40. Pulse PE-68414
(Surface Mount) (Top View)
LM2586 01251643.png
Figure 42. Renco Rl-5751 (Top View)
LM2586 01251646.png
Figure 44. Renco Rl-5532 (Top View)
LM2586 01251649.png
Figure 46. Schott 67140900 (Top View)