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Description
LM2674 SIMPLE SWITCHER? Power Converter High Efficiency 500 mA Step-Down Voltage Regulator
Package: SOIC NARROW
No of Pins: 8
Qty per Container: 95/Rail
All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.
FEATURES
● Efficiency up to 96%
● Available in soIC-8,8-Pin PDIP and WSON Packages
● Computer Design Software LM267X Made simple (Version 6.0)
● Simple and Easy to Design With
● Requires Only 5 External Components
● Uses Readily Available Standard Inductors
● 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
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 260kHz, 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 LM2674areavailable from several different manufacturers. This feature greatly simplifies the design of switch-mode power supplies using these advanced lCs. Also included in the datasheet are selector guides for diodes and capacitors designed to work in switch-mode power supplies.
Preview of the first 3 pages of the data sheet
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11 buyer reviews from Singapore
George Chan
Length of registration:16 years
The goods have been received. The packaging is very good. By the way, there are not a few in the list. The logistics is also very fast
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09/02/2022
Vincent Loh
Length of registration:5 years
Good
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03/18/2019
Steven Tan
Length of registration:6 years
Very satisfied with
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11/28/2018
Doris Boo
Length of registration:14 years
Very well-packed
0
0
Reply0
01/05/2017
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Warranty
All UTSOURCE purchases have a 60 days money back return policy, plus a 90 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
LM2674M-5.0/NOPB
LM2674M-5.0/NOPB has several brands around the world that may have alternate names for LM2674M-5.0/NOPB due to regional differences or acquisition. LM2674M-5.0/NOPB may also be known as the following names:
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Minimum: 1
Total Price:
Unit Price:4.97037
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