LM2674MX-5.0

SOP8, simple switcher, power converter, 500 mA, step-down voltage, regulator

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Price:: US $1.80~1.88 / piece [Get Latest Price]

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	US $1.80~1.88

PartNumber:: LM2674MX-5.0

Brand:: National Semiconductor - NS | Pack: SOP | D/C: 10+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-10-13

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Part Number:LM2674MX-5.0
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Product Summary

The LM2674MX-5.0 is a high efficiency 500 mA step-down voltage regulator. The LM2674MX-5.0 regulator is a monolithic integrated circuits built with a LMDMOS process. The regulator 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. The LM2674MX-5.0 is available in fixed output voltages of 3.3V, 5.0V, 12V, and an adjustable output version. Requiring a minimum number of external components, the regulator is simple to use and include patented internal frequency compensation (Patent Nos. 5,382,918 and 5,514,947) and a fixed frequency oscillator.

Parametrics

LM2674MX-5.0 absolute maximum ratings: (1)Supply Voltage: 45V; (2)ON/OFF Pin Voltage: -0.1V ≤ VSH ≤ 6V; (3)Switch Voltage to Ground: -1V; (4)Boost Pin Voltage VSW: + 8V; (5)Feedback Pin Voltage: -0.3V ≤ VFB ≤ 14V; (6)ESD Susceptibility Human Body Model: 2 kV; (7)Power Dissipation: Internally Limited; (8)Storage Temperature Range: -65℃ to +150℃; (9)Lead Temperature, M Package. Vapor Phase (60s): +215℃; (10)Infrared (15s): +220℃; (11)N Package (Soldering, 10s): +260℃; (12)Maximum Junction Temperature: +150℃.

Features

LM2674MX-5.0 features: (1)Simple and easy to desigwith; (2)Requires only 5 external components; (3)Uses readily available standard inductors; (4)3.3V, 5.0V, 12V, and adjustable output versions; (5)Adjustable versiooutput voltage range: 1.21V to 37V; (6)±1.5% max output voltage tolerance over line and load conditions; (7)Guaranteed 500mA output load current; (8)0.25Ω DMOS Output Switch; (9)Wide input voltage range: 8V to 40V; (10)260 kHz fixed frequency internal oscillator; (11)TTL shutdowcapability, low power standby mode; (12)Thermal shutdowand current limit protection.