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LM5085MY/NOPB

DC/DC Controller, Constant On-Time, 4.5V to 75V, 1 Output, Buck, 1MHz, MSOP-8

LM5085MY/NOPB - DC/DC Controller, Constant On-Time, 4.5V to 75V, 1 Output, Buck, 1MHz, MSOP-8

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LM5085MY/NOPB
Order Code:
2323444

Product Overview

The LM5085MY/NOPB is a non-synchronous constant on-time high efficiency PFET switching Regulator Controller that can be used to quickly and easily develop a small, efficient buck regulator for a wide range of applications. This high voltage controller contains a PFET gate driver and a high voltage bias regulator which operates over a wide 4.5V to 75V input range. The constant on-time regulation principle requires no loop compensation, simplifies circuit implementation and results in ultrafast load transient response. The operating frequency remains nearly constant with line and load variations due to the inverse relationship between the input voltage and the on-time. The PFET architecture allows 100% duty cycle operation for a low dropout voltage. Either the RDS(ON) of the PFET or an external sense resistor can be used to sense current for over-current detection.
  • No loop compensation required
  • Ultra-fast transient response
  • Nearly constant operating frequency with line and load variations
  • Internal soft-start timer
  • Integrated high voltage bias regulator
  • Thermal shutdown
  • Green product and no Sb/Br

Applications

Power Management, Automotive, LED Lighting

Product Information

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:
4.5V

:
75V

:
1 Output

:
100%

:
MSOP

:
8Pins

:
1MHz

:
Buck (Step Down)

:
-40°C

:
125°C

:
-

:
-

:
-
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Technical Docs (1)

Packaging type Cut Tape
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Re-reel (minimum 10/reel):2323444RL Check stock

427 total stock globally

427 available for 5 - 6 business days delivery

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$3.31 ( $3.81  Inc. GST)

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