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LM2674MX-ADJ Integrated Circuit Chip Simple Switcher Power Converter

Good quality Programmable IC Chips for sales
Good quality Programmable IC Chips for sales
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LM2674MX-ADJ Integrated Circuit Chip Simple Switcher Power Converter

China LM2674MX-ADJ  Integrated Circuit Chip Simple Switcher Power Converter supplier

Large Image :  LM2674MX-ADJ Integrated Circuit Chip Simple Switcher Power Converter

Product Details:

Place of Origin: original factory
Brand Name: Anterwell
Certification: new & original
Model Number: LM2674MX-ADJ

Payment & Shipping Terms:

Minimum Order Quantity: 10pcs
Price: Negotiate
Packaging Details: Please contact me for details
Delivery Time: 1 day
Payment Terms: T/T, Western Union, Paypal
Supply Ability: 8200pcs
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Detailed Product Description
Type: Voltage Converters Packing: Reel
Factory Packing Quantity: 2500 Datasheet: Pls Conatct Us

 

 

LM2674MX-ADJ SIMPLE SWITCHER Power Converter High Efficiency 500 mA Step-Down Voltage Regulator

 

 

General Description

 

The LM2674 series of regulators are monolithic integrated circuits built with a LMDMOS process. These regulators provide all the active functions for a step-down (buck) switching regulator, capable of driving a 500 mA load current with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5.0V, 12V, and an adjustable output version.

 

Requiring a minimum number of external components, these regulators are simple to use and include patented internal frequency compensation (Patent Nos. 5,382,918 and 5,514,947) and a fixed frequency oscillator.

 

The LM2674 series operates at a switching frequency of 260 kHz, thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Because of its very high efficiency (>90%), the copper traces on the printed circuit board are the only heat sinking needed.

 

 

A family of standard inductors for use with the LM2674 are available from several different manufacturers. This feature greatly simplifies the design of switch-mode power supplies using these advanced ICs. Also included in the datasheet are selector guides for diodes and capacitors designed to work in switch-mode power supplies.

 

 

Other features include a guaranteed ±1.5% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring typically 50 µA stand-by current. The output switch includes current limiting, as well as thermal shutdown for full protection under fault conditions.

 

To simplify the LM2674 buck regulator design procedure, there exists computer design software, LM267X Made Simple (version 6.0).

 

 

 

Features

 

Efficiency up to 96% n Available in SO-8, 8-pin DIP and LLP packages

Computer Design Software LM267X Made Simple (version 6.0)

Simple and easy to design with n Requires only 5 external components

Uses readily available standard inductors n 3.3V, 5.0V, 12V, and adjustable output versions

 Adjustable version output voltage range: 1.21V to 37V

±1.5% max output voltage tolerance over line and load conditions

Guaranteed 500mA output load current

0.25Ω DMOS Output Switch

Wide input voltage range: 8V to 40V

260 kHz fixed frequency internal oscillator

TTL shutdown capability, low power standby mode

Thermal shutdown and current limit protection

 

 

Typical Applications

 

Simple High Efficiency (>90%) Step-Down (Buck) Regulator

Efficient Pre-Regulator for Linear Regulators

Positive-to-Negative Converter

 

 

LM2674MX-ADJ  Integrated Circuit Chip Simple Switcher Power Converter

 

LM2674MX-ADJ  Integrated Circuit Chip Simple Switcher Power Converter

 

 

 

 

 

LM2674MX-ADJ  Integrated Circuit Chip Simple Switcher Power Converter

 

 

 

 

 

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