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LM3405 1A Constant Current Buck Regulator

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Description

www.DataSheet4U.com LM3405 500kHz/1.6MHz 1A Constant Current Buck Regulator for Powering LEDs ADVANCE INFORMATION October 2006 LM3405 550kHz/1.6MHz.
Integrated with a 1A power switch, the LM3405 is a current mode control switching buck regulator designed to provide a simple, high efficiency solutio.

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Datasheet Specifications

Part number
LM3405
Manufacturer
National Semiconductor
File Size
473.17 KB
Datasheet
LM3405_NationalSemiconductor.pdf
Description
1A Constant Current Buck Regulator

Features

* include user accessible enable/ dim pin for enabling and PWM dimming of LEDs, thermal shutdown, current limit and over voltage protection. Features n Thin SOT23-6 package n 4.0V to 20V input voltage range n 550kHz (LM3405Y) and 1.6MHz (LM3405X) switching frequencies n 300mΩ NMOS switch n 30nA shutd

Applications

* n LED Driver n Constant Current Source Typical Application Circuit 20178901 Connection Diagrams 20178905 20178960 6-Lead TSOT NS Package Number MK06A Pin 1 Indentification © 2006 National Semiconductor Corporation DS201789 www. national. com LM3405 500kHz/1.6MHz 1A Constant Current Buck Reg

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