LM2674MX-3.3/NOPB

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Details for Texas Instruments

LM2674MX-3.3/NOPB

SIMPLE SWITCHER®
Buy Directly from Texas Instruments (20325 in Stock)
$1.2000 per unit
Series Information for LM2674MX-3.3/NOPB - Texas Instruments

Features

  • feature
    0.25-u2126 DMOS Output Switch
  • feature
    260-kHz Fixed Frequency Internal Oscillator
  • feature
    3-V, 5-V, 12-V, and Adjustable Output Versions
  • feature
    Adjustable Version Output Voltage Range: 1.21 V to 37 V
  • feature
    Available in 8-Pin SOIC, PDIP, and 16-Pin WSON Packages
  • feature
    Efficiency up to 96%
  • feature
    Ensured 500-mA Output Load Current
  • feature
    Requires Only 5 External Components
  • feature
    Simple and Easy to Design With
  • feature
    TTL Shutdown Capability, Low Power Standby Mode
  • feature
    Thermal Shutdown and Current Limit Protection
  • feature
    Uses Readily Available Standard Inductors
  • feature
    Wide Input Voltage Range: 8 V to 40 V
  • feature
    u00b11.5% Maximum Output Voltage Tolerance Over Line and Load Conditions

Description

DC/DC CONV BUCK 260KHZ SOIC-8
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 3.3 V, 5 V, 12 V, and an adjustable output version. Requiring a minimum number of external components, these regulators are simple to use and include patented internal frequency compensation and a fixed frequency oscillator. The LM2674 series operates at a switching frequency of 260 kHz, thus allowing smaller sized filter components than what is required 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 required. A family of standard inductors for use with the LM2674 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 data sheet are selector guides for diodes and capacitors designed to work in switch-mode power supplies.

Specifications

Topology:
Buck (Step Down)
Input Voltage Min:
8V
Input Voltage Max:
40V
DC / DC Converter IC Case:
SOIC
No. of Pins:
8Pins
Output Current:
500mA
Output Voltage Nom.:
3.3V
Switching Frequency:
260kHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 8V to 40V 8-Pin SOIC N T/R

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 8V to 40V 8-Pin SOIC N T/R

Avnet Europe product

Texas Instruments

SIMPLE SWITCHER® 40V, 500mA Low Component Count Step-Down Regulator

Texas Instruments product

Distrelec

1.74

Distrelec product

Conrad

Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.

Conrad product