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LM25085SDX
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LM25085SDX

  • Category:Controller controller
  • Product Name:42V constant on-time PFET step-down switching controller
  • Manufacturers:NSC
  • Production Batch Number:09+
  • Encapsulation:LLP
  • Stock Status:There is stock
  • Stock Quantity:3000
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the LM25085SDX
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  • Product introduction

peculiarity

  • The LM25085Q is automotive grade and is AEC - Q100 qualified (-40°C to 125°C operating junction temperature)
  • 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
  • Adjustable output voltage from 1.25V
  • Accuracy± 2% feedback reference
  • Can work at 100% duty cycle
  • Internal soft-start timer
  • Integrated high voltage bias regulator
  • Thermal shutdown

illustrate

The LM25085 is a high efficiency PFET, switching regulator controller that can be used to quickly and easily develop a small, high efficiency buck regulator for a wide range of applications. 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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Model Manufacturers lot number encapsulation illustrate
LM25085SDX NSC 09+ LLP 42V constant on-time PFET step-down switching controller

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