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LM2675MX-5.0/NOPB SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator

Categories Power Management ICs
Brand Name: NEC
Model Number: LM2675MX-5.0
Certification: Original Factory Pack
Place of Origin: Original
MOQ: 5pcs
Price: Negotiation
Payment Terms: T/T, Western Union,PayPal
Supply Ability: 290PCS
Delivery Time: 1 Day
Packaging Details: please contact me for details
Description: Buck Switching Regulator IC Positive Fixed 5V 1 Output 1A 8-SOIC (0.154", 3.90mm Width)
Supply Voltage: 45V
ON/OFF Pin Voltage: −0.1V ≤ VSH ≤ 6V
Switch Voltage to Ground: −1V
Boost Pin Voltage: VSW + 8V
Feedback Pin Voltage: −0.3V ≤ VFB ≤ 14V
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LM2675MX-5.0/NOPB SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator


LM2675MX-5.0 SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator


Features

► Efficiency up to 96%

► 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

► 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 1A 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


General Description

The LM2675 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 1A 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 LM2675 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 LM2675 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.


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