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

PRODUCTION DATA  

  1.   1
  2. 特長
  3. アプリケーション
  4. 概要
  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
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics, SN6505A-Q1
    8. 6.8 Typical Characteristics, SN6505B-Q1 or SN6505D-Q1
  8. Parameter Measurement Information
  9. 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. 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

Timing Requirements

MINNOMMAXUNIT
CLK
tCLKTIMERDuration after which device switches to internal clock in case of invalid external clock1025µs
OUTPUT STAGE
tBBMBreak-before-make time(SN6505A-Q1)Measured as voltage with RL = 50 Ω to VCC,
Refer to Figure 7-3
115ns
Break-before-make time (SN6505B-Q1 and SN6505D-Q1)Measured as voltage with RL = 50 Ω to VCC,
Refer to Figure 7-3
90ns
SOFT-START ENABLED (SN6505A-Q1 AND SN6505B-Q1)
tSSSoft-start time (SN6505A-Q1)10% to 90% transition time on VOUT With transformer CLOAD = 40 µF
RL = 5 Ω
12.28ms
Soft-start time (SN6505B-Q1)10% to 90% transition time on VOUT With transformer CLOAD = 40 µF
RL = 5 Ω
14.258ms
tSSdelaySoft-start time delayFrom power up to 90% transition time on VOUT With transformer CLOAD = 40 µF
RL = 5 Ω
3.58.518ms
SOFT-START DISABLED (SN6505D-Q1)
tPWRUP
Power up time
From EN=1 to full drive-current available at D1 and D2; 2.25 V ≤ VCC < 3 V75160µs
From EN=1 to full drive-current available at D1 and D2; 3 V ≤ VCC ≤ 5.5 V60100µs
tPWRDNPower down timeFrom EN=0 to output MOSFETs off (no current on D1 and D2)15µs