ZHCSRY0M april   2000  – may 2023 LM2676

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Revision History
  6. Pin Configuration and Functions
  7. Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics: LM2676 – 3.3 V
    6. 6.6  Electrical Characteristics: LM2676 – 5 V
    7. 6.7  Electrical Characteristics: LM2676 – 12 B
    8. 6.8  Electrical Characteristics: LM2676 – Adjustable
    9. 6.9  Electrical Characteristics – All Output Voltage Versions
    10. 6.10 Typical Characteristics
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Switch Output
      2. 7.3.2 Input
      3. 7.3.3 C Boost
      4. 7.3.4 Ground
      5. 7.3.5 Feedback
      6. 7.3.6 ON/OFF
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Active Mode
  9. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Design Considerations
      2. 8.1.2 Inductor
      3. 8.1.3 Output Capacitor
      4. 8.1.4 Input Capacitor
      5. 8.1.5 Catch Diode
      6. 8.1.6 Boost Capacitor
      7. 8.1.7 Additional Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Typical Application for All Output Voltage Versions
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Capacitor Selection Guides
          2. 8.2.1.2.2 Inductor Selection Guides
      2. 8.2.2 Application Curves
      3. 8.2.3 Fixed Output Voltage Application
        1. 8.2.3.1 Design Requirements
        2. 8.2.3.2 Detailed Design Procedure
          1. 8.2.3.2.1 Capacitor Selection
      4. 8.2.4 Adjustable Output Voltage Application
        1. 8.2.4.1 Design Requirements
        2. 8.2.4.2 Detailed Design Procedure
          1. 8.2.4.2.1 Capacitor Selection
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 静电放电警告
    6. 9.6 术语表
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 DAP (VSON Package)

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息
Inductor Selection Guides
Table 8-3 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-1283-15-43PE-53934PE-53934SDO5022P-153
L38682.97RL-5472-2PE-54038PE-54038S
L39473.57RL-5472-3PE-54039PE-54039S
L40334.26RL-1283-33-43PE-54040PE-54040S
L41225.22RL-1283-22-43PE-54041P0841
L44683.45RL-5473-3PE-54044
L45104.47RL-1283-10-43P0845DO5022P-103HC
Table 8-4 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