LM2679, LM2 SIMPLE SWITCHER 5A Step-Down Voltage Regulator

National Semiconductor

Description

LM2679 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit March 2000 LM2679 SIMPLE SWITCHER ® 5A Step-Down Voltage Regulat.
The LM2679 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulato.

📥 Download Datasheet

LM2679 Datasheet Preview — This datasheet PDF includes multiple part numbers: LM2679, LM2. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: LM2679, LM2
Manufacturer: National Semiconductor
File Size: 355.82 KB
Datasheet: LM2-679.pdf
Description: SIMPLE SWITCHER 5A Step-Down Voltage Regulator
Note: This datasheet PDF includes multiple part numbers: LM2679, LM2.
Please refer to the document for exact specifications by model.

Features

* include the ability to reduce the input surge current at power-ON by adding a softstart timing capacitor to gradually turn on the regulator. The LM2679 series also has built in thermal shutdown and resistor programmable current limit of the power MOSFET switch to protect the device and load circuitr

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 DS100847-3 SIMPLE SWITCHER ® is a registered trademark of National Semiconductor Corporation. © 2000 National Semicond

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LM2 SIMPLE SWITCHER Step-Down Voltage Regulator National Semiconductor

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