LM25085A - 42V Constant On-Time PFET Buck Switching Controller

National Semiconductor

The LM25085A by National Semiconductor is a 42V Constant On-Time PFET Buck Switching Controller. Below is the official datasheet preview.

Datasheet Details

Part number	LM25085A
Manufacturer	National Semiconductor
File Size	551.63 KB
Description	42V Constant On-Time PFET Buck Switching Controller
Datasheet	LM25085A_NationalSemiconductor.pdf
Additional preview pages of the LM25085A datasheet.

The LM25085A is a functional variant of the LM25085 COT PFET Buck Switching Controller.

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 0.9V Precision ±2% feedback reference Capable of 100% duty cycle operation Internal soft-start timer Integrated high voltage b.

📁 LM25085A Similar Datasheet

LM25085 - 42V Constant On-Time PFET Buck Switching Controller (Texas Instruments)
LM25085-Q1 - 42V Constant On-Time PFET Buck Switching Controller (Texas Instruments)
LM25088 - Wide Input Range Non-Synchronous Buck Controllers (Texas Instruments)
LM25088-Q1 - Wide Input Range Non-Synchronous Buck Controllers (Texas Instruments)
LM250 - ADJUSTABLE VOLTAGE REGULATORS (STMicroelectronics)
LM25005 - 2.5A Step-Down Switching Regulator (Texas Instruments)
LM25005MH - 2.5A Step-Down Switching Regulator (Texas Instruments)
LM25007 - 0.5A Step-Down Switching Regulator (Texas Instruments)

Other Datasheets by National Semiconductor

Published: Sep 11, 2009 |