JAJSGH0D november   2018  – october 2020 SN6505A-Q1 , SN6505B-Q1 , SN6505D-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 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
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics, SN6505A-Q1
    8. 6.8 Typical Characteristics, SN6505B-Q1 or SN6505D-Q1
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Push-Pull Converter
      2. 8.3.2 Core Magnetization
    4. 8.4 Device Functional Modes
      1. 8.4.1 Start-Up Mode
        1. 8.4.1.1 Soft-Start
      2. 8.4.2 Operating Mode
      3. 8.4.3 Shutdown-Mode
      4. 8.4.4 Spread Spectrum Clocking
      5. 8.4.5 External Clock Mode
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Drive Capability
        2. 9.2.2.2 LDO Selection
        3. 9.2.2.3 Diode Selection
        4. 9.2.2.4 Capacitor Selection
        5. 9.2.2.5 Transformer Selection
          1. 9.2.2.5.1 V-t Product Calculation
          2. 9.2.2.5.2 Turns Ratio Estimate
          3. 9.2.2.5.3 Recommended Transformers
      3. 9.2.3 Application Curves
      4. 9.2.4 System Examples
        1. 9.2.4.1 Higher Output Voltage Designs
        2. 9.2.4.2 Application Circuits
  11. 10Power Supply Recommendations
  12. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 サード・パーティ製品に関する免責事項
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Related Links
    4. 12.4 ドキュメントの更新通知を受け取る方法
    5. 12.5 サポート・リソース
    6. 12.6 Trademarks
    7. 12.7 静電気放電に関する注意事項
    8. 12.8 用語集
  14. 13Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

6.8 Typical Characteristics, SN6505B-Q1 or SN6505D-Q1

GUID-E8EC6B20-9A52-4B87-A39C-31562A2181AB-low.gif
SN6505B/D-Q1 + Wurth 750315371
Figure 6-11 Output Voltage vs Load Current
GUID-2C590992-EC96-4559-A30E-011AFF905D2E-low.gif
SN6505B/D-Q1 + Wurth 760390011VCC = 3.3 V
Figure 6-13 Output Voltage vs Load Current
GUID-C1534664-A70B-44C0-B120-BB65A9F926DB-low.gif
SN6505B/D-Q1 + Wurth 760390012VCC = 5 V
Figure 6-15 Output Voltage vs Load Current
GUID-CBFF65A9-23C5-4A63-A7F6-003F91AD06F3-low.gif
SN6505B/D-Q1 + Wurth 760390013VCC = 3.3 V
Figure 6-17 Output Voltage vs Load Current
GUID-024112ED-884C-405F-BC4E-D3C61364E4C6-low.gif
SN6505B/D-Q1 + Wurth 760390014VCC = 3.3 V
Figure 6-19 Output Voltage vs Load Current
GUID-59736818-E043-4A95-A4CB-F5E5ADD7CFF7-low.gif
SN6505B/D-Q1 + Wurth 760390014VCC = 5 V
Figure 6-21 Output Voltage vs Load Current
GUID-B0EF65DD-6A66-40AD-8666-AF59F6862262-low.gif
SN6505B/D-Q1 + Wurth 760390015VCC = 3.3 V
Figure 6-23 Output Voltage vs Load Current
GUID-456AA152-80A0-45F1-892B-39AC8865BFAE-low.gif
SN6505B/D-Q1 + Wurth 750316028VCC = 3.3 V
Figure 6-25 Output Voltage vs Load Current
GUID-D146EA6E-CCDB-4875-9F0F-D7EF17360A2B-low.gif
SN6505B/D-Q1 + Wurth 750316029VCC = 3.3 V
Figure 6-27 Output Voltage vs Load Current
GUID-9B578CEB-027C-4200-9C39-C52271CEDAE5-low.gif
SN6505B/D-Q1 + Wurth 7503160030VCC = 5 V
Figure 6-29 Output Voltage vs Load Current
GUID-627E242D-C952-4D48-9D06-8564EBB13DA1-low.gif
Figure 6-31 Frequency vs Free-Air Temperature
GUID-339E6AB9-C81B-4D54-80F8-583A0DBC16E7-low.gif
Figure 6-33 Scope Capture of SN6505 Switching from External to Internal Clock
GUID-685F422F-3731-4DEF-87B6-7C62DE2CE53D-low.gif
SN6505B/D-Q1 + Wurth 750315371
Figure 6-12 Efficiency vs Load Current
GUID-E6EA4491-341D-4023-84C9-A1AC75F87DB9-low.gif
SN6505B/D-Q1 + Wurth 760390011VCC = 3.3 V
Figure 6-14 Efficiency vs Load Current
GUID-AE3D151C-B505-4BCE-8E50-AA6DD8CF8C89-low.gif
SN6505B/D-Q1 + Wurth 760390012VCC = 5 V
Figure 6-16 Efficiency vs Load Current
GUID-A10A3695-689F-4A07-A592-A6716FE7D677-low.gif
SN6505B/D-Q1 + Wurth 760390013VCC = 3.3 V
Figure 6-18 Efficiency vs Load Current
GUID-AA5C806D-0FA4-4128-991E-04C812CB6A00-low.gif
SN6505B/D-Q1 + Wurth 760390014VCC = 3.3 V
Figure 6-20 Efficiency vs Load Current
GUID-8F227DE2-E362-47C9-B906-B2051A13D499-low.gif
SN6505B/D-Q1 + Wurth 760390014VCC = 5 V
Figure 6-22 Efficiency vs Load Current
GUID-2804320D-5EFC-4ECC-96DD-35B943BCD2D7-low.gif
SN6505B/D-Q1 + Wurth 760390015VCC = 3.3 V
Figure 6-24 Efficiency vs Load Current
GUID-1C942E6F-9449-430C-8246-6460FF7BAF8E-low.gif
SN6505B/D-Q1 + Wurth 750316028VCC = 3.3 V
Figure 6-26 Efficiency vs Load Current
GUID-1CB6F2FA-E8E2-48AE-A69E-62EF894D470E-low.gif
SN6505B/D-Q1 + Wurth 750316029VCC = 3.3 V
Figure 6-28 Efficiency vs Load Current
GUID-466DEAC8-5656-44DD-A3DF-D8F50DE9F301-low.gif
SN6505B/D-Q1 + Wurth 7503160030VCC = 5 V
Figure 6-30 Efficiency vs Load Current
GUID-4A1633D4-8BE7-4A90-8732-780DC7CE7965-low.gif
Figure 6-32 Current vs External Frequency