LM25085A 42V Constant On-Time PFET Buck Switching Controller

Texas Instruments

Description

LM25085A www.ti.com SNVS601B * JANUARY 2009 * REVISED MARCH 2013 LM25085A 42V Constant On-Time PFET Buck Switching Controller with .
The LM25085A is a functional variant of the LM25085 COT PFET Buck Switching Controller.

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Datasheet Specifications

Part number: LM25085A
Manufacturer: Texas Instruments ↗
File Size: 1.25 MB
Datasheet: LM25085A-etcTI.pdf
Description: 42V Constant On-Time PFET Buck Switching Controller

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 Freque

Applications

* This high voltage controller contains a PFET gate driver and a high voltage bias regulator which operates over a wide 4.5V to 42V input range. The constant on-time regulation principle requires no loop compensation, simplifies circuit implementation, and results in ultrafast load transient response

LM25085A Distributors

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

Texas Instruments LM25085A-like datasheet