LM3489

Hysteretic PFET Buck Controller

National Semiconductor

LM3489 Features

* Easy to use control methodology No control loop compensation required Wide 4.5V to 35V input range 1.239V to VIN adjustable output range Typical Application Circuit 20186908 © 2008 National Semiconductor Corporation 201869 www.national.com LM3489/LM3489Q Connection Dia

LM3489 General Description

The LM3489 is a high efficiency PFET switching regulator controller that can be used to quickly and easily develop a small, cost effective, switching buck regulator for a wide range of applications. The hysteretic control architecture provides for simple design without any control loop stability con.

LM3489 Datasheet (385.44 KB)

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Datasheet Details

Part number:

LM3489

Manufacturer:

National Semiconductor

File Size:

385.44 KB

Description:

Hysteretic pfet buck controller.
LM3489/LM3489Q Hysteretic PFET Buck Controller with Enable Pin June 23, 2008 LM3489/LM3489Q Hysteretic PFET Buck Controller with Enable Pin General .

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LM3489 Hysteretic PFET Buck Controller National Semiconductor

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LM3489 Features

LM3489 General Description

Datasheet Details

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