LM2678, LM2 SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator

National Semiconductor

Description

LM2678 SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator April 2005 LM2678 SIMPLE SWITCHER® High Efficiency 5A Step-Down Voltage Regu.
The LM2678 series of regulators are monolithic integrated circuits which provide all of the active functions for a stepdown (buck) switching regulator.

📥 Download Datasheet

LM2678 Datasheet Preview — This datasheet PDF includes multiple part numbers: LM2678, LM2. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: LM2678, LM2
Manufacturer: National Semiconductor
File Size: 800.32 KB
Datasheet: LM2-678.pdf
Description: SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator
Note: This datasheet PDF includes multiple part numbers: LM2678, LM2.
Please refer to the document for exact specifications by model.

Features

* n Efficiency up to 92% n Simple and easy to design with (using off-the-shelf external components) n 120 mΩ DMOS output switch n 3.3V, 5V and 12V fixed output and adjustable (1.2V to 37V ) versions n 50µA standby current when switched OFF n ±2%maximum output tolerance over full line and load conditio

Applications

* n Simple to design, high efficiency (>90%) step-down switching regulators n Efficient system pre-regulator for linear voltage regulators n Battery chargers Typical Application 10088603 SIMPLE SWITCHER® is a registered trademark of National Semiconductor Corporation. © 2005 National Semiconductor

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LM2 SIMPLE SWITCHER High Efficiency Step-Down Voltage Regulator National Semiconductor

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