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

Product Overview

Texas Instruments

Datasheet Details

Part number	LM25085A
Manufacturer	Texas Instruments
File Size	1.25 MB
Description	42V Constant On-Time PFET Buck Switching Controller
Datasheet	LM25085A Datasheet
Additional preview pages of the LM25085A datasheet.

LM25085A Product details

Description

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

The functional differences of the LM25085A are: The feedback reference voltage is 0.9V, the forced off-time after current limit detection is longer, and the soft-start time is shorter (1.8 ms).

Features

1.
2 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.

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Published: May 19, 2023 |