LM2676 High Efficiency 3A Step-Down Voltage Regulator

National Semiconductor

Description

LM2676 SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator February 29, 2008 LM2676 SIMPLE SWITCHER® High Efficiency 3A Step-Down Voltage.
The LM2676 series of regulators are monolithic integrated circuits which provide all of the active functions for a stepdown (buck) switching regulator.

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Datasheet Specifications

Part number: LM2676
Manufacturer: National Semiconductor
File Size: 373.36 KB
Datasheet: LM2676-NationalSemiconductor.pdf
Description: High Efficiency 3A Step-Down Voltage Regulator

Features

* Efficiency up to 94%
* Simple and easy to design with (using off-the-shelf external components)
* 150 mΩ DMOS output switch
* 3.3V, 5V and 12V fixed output and adjustable (1.2V to 37V ) versions
* 50μA standby current when switched OFF
* ±2%maximum output tolerance over ful

Applications

* Simple to design, high efficiency (>90%) step-down switching regulators
* Efficient system pre-regulator for linear voltage regulators
* Battery chargers Typical Application 10091403 SIMPLE SWITCHER® is a registered trademark of National Semiconductor Corporation © 2008 National Sem

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LM2676 High Efficiency Step-Down Voltage Regulator National Semiconductor

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