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UCC2809-1
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UCC2809-1

  • Category:ACDC- and -DCDC-power supply
  • Product Name:Economical primary-side controller
  • Manufacturers:TI
  • Production Batch Number:10+
  • Encapsulation:8MSOP, 8SOIC, 8TSSOP
  • Stock Status:There is stock
  • Stock Quantity:6000
  • Minimum order quantity: 1
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  • Product introduction

تحتوي سلسلة BCDMOS الاقتصادية وغيرها من الدوائر المتكاملة منخفضة الطاقة UCC3809 على جميع دوائر التحكم والقيادة لمتطلبات خارج الخط وتبديل وضع التيار الثابت التردد المعزول من DC إلى DC مع الحد الأدنى من إمدادات الطاقة لعدد المكونات الخارجية. تتضمن دائرة قفل الجهد المنخفض للتنفيذ الداخلي مرجعا للجهد يمكن للمستخدم الوصول إليه مع تيار بدء تشغيل أقل من 100μA ، ومنطق لضمان عملية القفل ، ومقارنة PWM ، وخرج عمود الطوطم ، ومرحلة تغرق أو تزود ذروة التيار. Output stage, driving N-channel MOSFETs suitable for low off.

تتم برمجة تردد المذبذب ودورة العمل القصوى بمقاومتين ومكثف واحد. تتميز سلسلة UCC3809 أيضا بدورة كاملة من البداية الناعمة.

characteristic
 
  • بدء تشغيل ناعم قابل للبرمجة من قبل المستخدم مع إيقاف تشغيل منخفض نشط
  • دورة عمل قصوى قابلة للبرمجة من قبل المستخدم
  • مرجع 5V يمكن الوصول إليه
  • Undervoltage lockout
  • Runs up to 1MHz
  • 0.4A المصدر / 0.8A بالوعة سائق FET
  • تيار بدء التشغيل المنخفض هو 100μA
parameter
  UCC2809 - 1      
topology Boost, reverse, forward      
Control method Current mode      
Duty cycle (max.) (%) 70      
Frequency (max) (khertz) 1000      
On/Off of Undervoltage Lockout Threshold (5) 10 / 8      
Pins/Packets 8MSOP ، 8SOIC ، 8TSSOP      
(#) Regulated output One      
Operating temperature range(°C) -40 to 85      

andUCC2809-1Related ICs are:


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