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Power Circuits / Switching Regulator or Controllers / LM2674MX-3.3/NOPB
Datasheets
LM2674MX-3.3/NOPB by:

IC 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8, Switching Regulator or Controller

Part Details for LM2674MX-3.3/NOPB by National Semiconductor Corporation

Results Overview of LM2674MX-3.3/NOPB by National Semiconductor Corporation

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Applications Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

LM2674MX-3.3/NOPB Information

LM2674MX-3.3/NOPB by National Semiconductor Corporation is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
DS96174CN/NOPB Rochester Electronics LLC DS96174 - Line Driver, 4 Func, 4 Driver, BIPolar, PDIP16
LM611IM/NOPB Rochester Electronics LLC LM611IM - Operational Amplifier, 7000uV Offset-Max, BIPolar

Price & Stock for LM2674MX-3.3/NOPB

Part # Distributor Description Stock Price Buy
Bristol Electronics   20
RFQ

Part Details for LM2674MX-3.3/NOPB

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LM2674MX-3.3/NOPB Part Data Attributes

Parametric Data
LM2674MX-3.3/NOPB National Semiconductor Corporation
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LM2674MX-3.3/NOPB National Semiconductor Corporation IC 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8, Switching Regulator or Controller
Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP
Package Description PLASTIC, SO-8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Input Voltage-Max 40 V
Input Voltage-Min 6.5 V
Input Voltage-Nom 12 V
JESD-30 Code R-PDSO-G8
JESD-609 Code e3
Length 4.9 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 8
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 1.25 A
Output Voltage-Nom 3.3 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP8,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 275 kHz
Technology DMOS
Temperature Grade AUTOMOTIVE
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 40
Width 3.9 mm

Alternate Parts for LM2674MX-3.3/NOPB

This table gives cross-reference parts and alternative options found for LM2674MX-3.3/NOPB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM2674MX-3.3/NOPB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LM2674M-3.3/NOPB Texas Instruments $1.9392 SIMPLE SWITCHER® 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125 LM2674MX-3.3/NOPB vs LM2674M-3.3/NOPB
LM2674MX-3.3/NOPB Texas Instruments $2.2999 SIMPLE SWITCHER® 40V, 500mA Low Component Count Step-Down Regulator 8-SOIC -40 to 125 LM2674MX-3.3/NOPB vs LM2674MX-3.3/NOPB
LM2674M-3.3/NOPB National Semiconductor Corporation Check for Price IC 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2674M-3.3/NOPB
LM2674M-3.3 Texas Instruments Check for Price 1.25A SWITCHING REGULATOR, 275kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8 LM2674MX-3.3/NOPB vs LM2674M-3.3
LM2674MX-3.3 Texas Instruments Check for Price 1.25A SWITCHING REGULATOR, 275kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8 LM2674MX-3.3/NOPB vs LM2674MX-3.3
LM2674M-3.3 National Semiconductor Corporation Check for Price IC 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2674M-3.3
LM2674MX-3.3 National Semiconductor Corporation Check for Price IC 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SO-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2674MX-3.3
Part Number Manufacturer Composite Price Description Compare
FAN7554D Rochester Electronics LLC Check for Price 1A SWITCHING CONTROLLER, 500kHz SWITCHING FREQ-MAX, PDSO8, SOP-8 LM2674MX-3.3/NOPB vs FAN7554D
LM2594HVM-3.3 National Semiconductor Corporation Check for Price IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SO-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2594HVM-3.3
LM2671MX-5.0 Rochester Electronics LLC Check for Price 1.25A SWITCHING REGULATOR, 275kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SO-8 LM2674MX-3.3/NOPB vs LM2671MX-5.0
LM2671MX-5.0/NOPB National Semiconductor Corporation Check for Price IC 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SO-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2671MX-5.0/NOPB
LM2597M-3.3 National Semiconductor Corporation Check for Price IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SOIC-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2597M-3.3
LM2597HVMX-3.3/NOPB National Semiconductor Corporation Check for Price IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SOP-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2597HVMX-3.3/NOPB
LM2672MX-ADJ/NOPB National Semiconductor Corporation Check for Price IC 2.2 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SO-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2672MX-ADJ/NOPB
LM2671MX-3.3/NOPB National Semiconductor Corporation Check for Price IC 1.25 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SO-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2671MX-3.3/NOPB
LM2594HVMX-5.0 National Semiconductor Corporation Check for Price IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SOP-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2594HVMX-5.0
LM2594HVM-12/NOPB National Semiconductor Corporation Check for Price IC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PDSO8, 0.150 INCH, PLASTIC, SO-8, Switching Regulator or Controller LM2674MX-3.3/NOPB vs LM2594HVM-12/NOPB

LM2674MX-3.3/NOPB Related Parts

LM2674MX-3.3/NOPB Frequently Asked Questions (FAQ)

  • The maximum input voltage that can be applied to the LM2674MX-3.3/NOPB is 40V, but it's recommended to keep it below 38V for reliable operation.

  • The LM2674MX-3.3/NOPB has a maximum operating junction temperature of 150°C, but it's recommended to keep it below 125°C for reliable operation. You can use thermal management techniques like heat sinks or thermal interfaces to reduce the junction temperature.

  • To ensure the stability of the output voltage, make sure to use a suitable output capacitor with a low ESR (Equivalent Series Resistance) and a minimum capacitance of 22uF. You can also add a 10nF ceramic capacitor in parallel with the output capacitor to improve stability.

  • The minimum input voltage required for the LM2674MX-3.3/NOPB to operate is 7.5V, but it's recommended to keep it above 8V for reliable operation.

  • Yes, the LM2674MX-3.3/NOPB is a switching regulator, and it's designed for use in switching power supply designs. However, make sure to follow the recommended layout and component selection guidelines to ensure reliable operation.

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