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UMW LM2674M-5.0(UMW) product image
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UMW LM2674M-5.0(UMW)RoHS

Manufacturer
UMWAsian Brands
MPN
LM2674M-5.0(UMW)
LCSC Part #
C5563868
Packaging
SOP-8
Customer #
Key Attributes
LM2674 DC-DC Switching Buck Converter
Datasheetpdf iconUMW LM2674M-5.0(UMW)
In-Stock: 3,012
3,012 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
1+$ 0.9532$ 0.95
10+$ 0.746$ 7.46
30+$ 0.6424$ 19.27
100+$ 0.5404$ 54.04
500+$ 0.4782$ 239.10
1,000+$ 0.4479$ 447.90
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerUMW
PackagingSOP-8
Operating Temperature-40℃~+125℃
FunctionStep-down type
Number of Outputs1
Frequency - Switching260kHz
FeaturesOvercurrent Protection
Output TypeFixed
TopologyBuck
Operating Voltage7V~40V
Switch tube (built-in/external)Built-in
Output Voltage5V
Output Current500mA
Quiescent Current3mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The LM2674M series is a DC/DC switching buck converter controlled by a 260kHz fixed-frequency PWM. It primarily consists of internal frequency compensation, a fixed-frequency oscillator, built-in overcurrent protection, and power switch control circuitry, capable of driving a 500mA load with high efficiency, low ripple, and excellent line and load regulation. Only a minimal number of external components are required to implement DC/DC step-down regulation, making it highly practical and easy to use. The PWM control circuit adjusts the duty cycle from 0% to 100% based on load conditions to achieve high operating efficiency. It features an external enable control for power-on functionality, enabling controlled switching between standby and active states for greater application flexibility.

Features

AI Translation
  • Built-in thermal shutdown protection
  • Built-in overcurrent protection
  • Integrated high-efficiency power switch
  • Excellent line and load regulation
  • ON/OFF pin with hysteresis
  • TTL-compatible shutdown
  • High efficiency
  • Simple peripheral circuitry
  • Wide input voltage range: 7V~40V
  • Fixed output voltages: 3.3V, 5V, 12V
  • Adjustable output voltage range: 1.21V~37V (adjustable)
  • High output accuracy: ±2%
  • Fixed switching frequency: 260 kHz
  • Maximum output current: 500mA
  • Minimum dropout voltage: 1.5V
  • Package: SOP-8

Applications

AI Translation
  • LCD and LCD TVs
  • ADSL modems
  • LED lighting, LED backlighting
  • Digital photo frames
  • Telecom/networking equipment