LM5085MYE/NOPB

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Series Information for LM5085MYE/NOPB - Texas Instruments

Features

  • feature
    Adjustable Current Limit Using RDS(ON) or a Current Sense Resistor
  • feature
    Adjustable Output Voltage from 1.25 V
  • feature
    Capable of 100% Duty Cycle Operation
  • feature
    Integrated High Voltage Bias Regulator
  • feature
    Internal Soft-start Timer
  • feature
    LM5085-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (u201340u00b0C to 125u00b0C Operating Junction Temperature)
  • feature
    Nearly Constant Operating Frequency with Line and Load Variations
  • feature
    No Loop Compensation Required
  • feature
    Package:
  • feature
    Precision u00b12% Feedback Reference
  • feature
    Programmable Switching Frequency to 1MHz
  • feature
    Thermal Shutdown
  • feature
    Ultra-Fast Transient Response
  • feature
    Wide 4.5-V to 75-V Input Voltage Range

Description

DC/DC CTRL BUCK 1MHZ MSOP POWERPAD-8
The LM5085 is a 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 4.5-V to 75-V 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 overcurrent detection.

Specifications

Supply Voltage Min:
4.5V
Supply Voltage Max:
75V
No. of Outputs:
1 Output
Duty Cycle (%):
100%
Controller IC Case Style:
MSOP PowerPAD
No. of Pins:
8Pins
Switching Frequency:
1MHz
Topology:
Buck (Step Down)
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
-
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

DC DC Cntrlr Single-OUT Buck 4.5V to 75V Input 8-Pin MSOP EP T/R

Avnet America product

Avnet Europe

DC DC Cntrlr Single-OUT Buck 4.5V to 75V Input 8-Pin MSOP EP T/R

Avnet Europe product

Distrelec

1.44

Distrelec product

Conrad

Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.

Conrad product