TIDT339 june   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Testing Conditions
    4. 1.4 Considerations
    5. 1.5 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs and Data
      1. 2.1.1 Efficiency Graph: Light Load Performance
      2. 2.1.2 Efficiency Graph: Available Output Power Versus Input Power
      3. 2.1.3 Efficiency Graph: Full Load Performance
      4. 2.1.4 Efficiency Data
        1.       17
        2.       18
        3.       19
    2. 2.2 Thermal Images
    3. 2.3 Static Output Voltage Variation versus Load
      1. 2.3.1 Light Load Range
      2. 2.3.2 Light to Full Load Range
    4. 2.4 EMI Measurement According to EN55022 Class-B Quasi-Peak Limits
  7. 3Waveforms
    1. 3.1 Switching on Q1 (VDS Voltage) at Full Load
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up and Shutdown Sequence
      1. 3.4.1 Start-Up Sequence
        1. 3.4.1.1 Load Current 0 A
        2. 3.4.1.2 Load Current 1.7 A
      2. 3.4.2 Shutdown Sequence

3.4.1.2 Load Current 1.7 A

  • C1: Input AC voltage (200 V/div, 100 ms/div, DC coupling)
  • C3: Output voltage (5 V/div, DC coupling)
GUID-20230622-SS0I-1N5Z-MP4R-5GKWNQH4DFQ1-low.png Figure 3-8 Start-Up With 1.7-A Load (100 ms/div)


Figure 3-9 is the same measurement as in Figure 3-8 but with smaller time division (20 ms/div).



GUID-20230622-SS0I-S3BS-XSJN-FZWDG0HQTX2R-low.png
Figure 3-9 Start-Up With 1.7-A Load (20
                    ms/div)





















千亿体育app官网登录(中国)官方网站IOS/安卓通用版/手机APP | 米乐app下载官网（中国）|ios|Android/通用版APP最新版 | 米乐|米乐·M6（中国大陆）官方网站 | 千亿体育登陆地址 | 华体会体育（中国）HTH·官方网站 | 千赢qy国际_全站最新版千赢qy国际V6.2.14安卓/IOS下载 | 18新利网v1.2.5|中国官方网站 | bob电竞真人（中国官网）安卓/ios苹果/电脑版【1.97.95版下载】 | 千亿体育app官方下载(中国)官方网站IOS/安卓/手机APP下载安装 |