LM25085A 42V Constant On-Time PFET Buck Switching Controller

National Semiconductor

Description

LM25085A 42V Constant On-Time PFET Buck Switching Controller www.DataSheet4U.com March 16, 2009 LM25085A 42V Constant On-Time PFET Buck Switching .
The LM25085A is a functional variant of the LM25085 COT PFET Buck Switching Controller.

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Datasheet Specifications

Part number: LM25085A
Manufacturer: National Semiconductor
File Size: 551.63 KB
Datasheet: LM25085A_NationalSemiconductor.pdf
Description: 42V Constant On-Time PFET Buck Switching Controller

Features

* 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 operati

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 ultra-fast load transient respons

LM25085A Distributors

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

National Semiconductor LM25085A-like datasheet