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LM25085-Q1 - 42V Constant On-Time PFET Buck Switching Controller

Download the LM25085-Q1 datasheet PDF. This datasheet also covers the LM25085 variant, as both devices belong to the same 42v constant on-time pfet buck switching controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The LM25085 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.

Key Features

  • 1 LM25085-Q1 is an Automotive Grade product that is AEC-Q100 Grade 1 Qualified (-40°C to 125°C Operating Junction Temperature).
  • Wide 4.5V to 42V Input Voltage Range.
  • Adjustable Current Limit Using RDS(ON) or a Current Sense Resistor.
  • Programmable Switching Frequency to 1MHz.
  • No Loop Compensation Required.
  • Ultra-Fast Transient Response.
  • Nearly Constant Operating Frequency with Line and Load Variations.
  • Adjustable Output Volta.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM25085-etcTI.pdf) that lists specifications for multiple related part numbers.

Other Datasheets by Texas Instruments

Part Number Description
LM25085 42V Constant On-Time PFET Buck Switching Controller
LM25085A 42V Constant On-Time PFET Buck Switching Controller
LM25088 Wide Input Range Non-Synchronous Buck Controllers
LM25088-Q1 Wide Input Range Non-Synchronous Buck Controllers
LM25005 2.5A Step-Down Switching Regulator
LM25005MH 2.5A Step-Down Switching Regulator
LM25007 0.5A Step-Down Switching Regulator
LM25010 1-A Step-Down Switching Regulator
LM25010-Q1 1-A Step-Down Switching Regulator
LM25010MH 1-A Step-Down Switching Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM25085, LM25085-Q1 SNVS593J – OCTOBER 2008 – REVISED NOVEMBER 2014 LM25085 / -Q1 42V Constant On-Time PFET Buck Switching Controller 1 Features •1 LM25085-Q1 is an Automotive Grade product that is AEC-Q100 Grade 1 Qualified (-40°C to 125°C Operating Junction Temperature) • Wide 4.5V to 42V Input Voltage Range • Adjustable Current Limit Using RDS(ON) or a Current Sense Resistor • Programmable Switching Frequency to 1MHz • No Loop Compensation Required • Ultra-Fast Transient Response • Nearly Constant Operating Frequency with Line and Load Variations • Adjustable Output Voltage from 1.