SNVS031N April   2000  – June 2025 LM2676

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics: LM2676 – 3.3 V
    6. 5.6  Electrical Characteristics: LM2676 – 5 V
    7. 5.7  Electrical Characteristics: LM2676 – 12 V
    8. 5.8  Electrical Characteristics: LM2676 – Adjustable
    9. 5.9  Electrical Characteristics – All Output Voltage Versions
    10. 5.10 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Switch Output
      2. 6.3.2 Input
      3. 6.3.3 C Boost
      4. 6.3.4 Ground
      5. 6.3.5 Feedback
      6. 6.3.6 ON/OFF
    4. 6.4 Device Functional Modes
      1. 6.4.1 Shutdown Mode
      2. 6.4.2 Active Mode
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Design Considerations
      2. 7.1.2 Inductor
      3. 7.1.3 Output Capacitor
      4. 7.1.4 Input Capacitor
      5. 7.1.5 Catch Diode
      6. 7.1.6 Boost Capacitor
      7. 7.1.7 Additional Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Typical Application for All Output Voltage Versions
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
          1. 7.2.1.2.1 Custom Design with WEBENCH® Tools
          2. 7.2.1.2.2 Capacitor Selection Guides
          3. 7.2.1.2.3 Inductor Selection Guides
      2. 7.2.2 Application Curves
      3. 7.2.3 Fixed Output Voltage Application
        1. 7.2.3.1 Design Requirements
        2. 7.2.3.2 Detailed Design Procedure
          1. 7.2.3.2.1 Capacitor Selection
      4. 7.2.4 Adjustable Output Voltage Application
        1. 7.2.4.1 Design Requirements
        2. 7.2.4.2 Detailed Design Procedure
          1. 7.2.4.2.1 Capacitor Selection
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Custom Design with WEBENCH® Tools
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 DAP (VSON Package)

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information
7.2.1.2.3 Inductor Selection Guides
Table 7-3 Inductor Manufacturer Part Numbers
INDUCTOR
REFERENCE
NUMBER		INDUCTANCE
(µH)		CURRENT
(A)		RENCOPULSE ENGINEERINGCOILCRAFT
THROUGH HOLESURFACE MOUNTTHROUGH HOLESURFACE MOUNTSURFACE MOUNT
L23331.35RL-5471-7RL1500-33PE-53823PE-53823SDO3316-333
L24221.65RL-1283-22-43RL1500-22PE-53824PE-53824SDO3316-223
L25152RL-1283-15-43RL1500-15PE-53825PE-53825SDO3316-153
L291001.41RL-5471-4RL-6050-100PE-53829PE-53829SDO5022P-104
L30681.71RL-5471-5RL6050-68PE-53830PE-53830SDO5022P-683
L31472.06RL-5471-6RL6050-47PE-53831PE-53831SDO5022P-473
L32332.46RL-5471-7RL6050-33PE-53932PE-53932SDO5022P-333
L33223.02RL-1283-22-43RL6050-22PE-53933PE-53933SDO5022P-223
L34153.65RL-1283-15-43—PE-53934PE-53934SDO5022P-153
L38682.97RL-5472-2—PE-54038PE-54038S—
L39473.57RL-5472-3—PE-54039PE-54039S—
L40334.26RL-1283-33-43—PE-54040PE-54040S—
L41225.22RL-1283-22-43—PE-54041P0841—
L44683.45RL-5473-3—PE-54044——
L45104.47RL-1283-10-43——P0845DO5022P-103HC
Table 7-4 Schottky Diode Selection Table
REVERSE VOLTAGE (V) SURFACE MOUNT THROUGH HOLE
3 A 5 A OR MORE 3 A 5 A OR MORE
20 SK32 — 1N5820 —
SR302
30 SK33 MBRD835L 1N5821 —
30WQ03F 31DQ03
40 SK34 MBRB1545CT 1N5822 —
30BQ040 6TQ045S MBR340 MBR745
30WQ04F 31DQ04 80SQ045
MBRS340 SR403 6TQ045
MBRD340
50 or more SK35 — MBR350 —
30WQ05F 31DQ05
SR305