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LM25085ASD
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Category:Voltage mode switching power supply controller
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Product Name:42V constant on-time PFET step-down switching controller
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Manufacturers:NSC
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Production Batch Number:10+
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Encapsulation:8-LLP
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Stock Status:There is stock
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Stock Quantity:4500
- Minimum order quantity: 1
- Details:
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peculiarity
- Wide input voltage range of 4.5V to 42V
- Adjustable current limit used RDS(ON)or current sense resistors
- Programmable switching frequency up to 1MHz
- No loop compensation is required
- Ultra-fast transient response
- Nearly constant line and load varying operating frequency
- جهد خرج قابل للتعديل من 0.9 فولت
- Accuracy± 2% feedback reference
- Can work at 100% duty cycle
- Internal soft-start timer
- Integrated high voltage bias regulator
- Thermal shutdown
illustrate
LM25085A هو البديل الوظيفي لوحدة التحكم في تبديل LM25085 من COT PFET. تتمثل الاختلافات الوظيفية في LM25085A في جهد مرجعي للتغذية المرتدة يبلغ 0.9 فولت، وأوقات إيقاف تشغيل إجبارية أطول بعد اكتشاف حد التيار، وأوقات بدء تشغيل ناعمة أقصر (1.8 مللي ثانية).
LM25085A عبارة عن وحدة تحكم منظم PFET عالية الكفاءة يمكن استخدامها لتطوير منظم باك صغير وعالي الكفاءة بسرعة وسهولة لمجموعة واسعة من التطبيقات. This high voltage controller contains a gate driver for PFET and a wide 4.5V to 42V input range with high voltage bias regulation. The principle of constant on-time regulation, eliminating the need for loop compensation, simplifies the implementation of circuits, and results in ultra-fast load transient response. The operating frequency remains almost constant due to the inverse relationship between the input voltage and the time due to the inverse relationship between the line and the load. The architecture of the PFET allows 100% duty cycle operation of low dropout. Either PFET, or an external sense resistor RDS(ON),It can be used to detect current overcurrent detection.
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andLM25085ASDRelated ICs are:
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illustrate |
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