LM2671MX-ADJ/NOPB

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Details for Texas Instruments

LM2671MX-ADJ/NOPB

8V to 40V, 500mA SIMPLE SWITCHER® buck converter with 5 external components
Buy Directly from Texas Instruments (4750 in Stock)
$1.3000 per unit
Series Information for LM2671MX-ADJ/NOPB - Texas Instruments

Features

  • feature
    0.25-u2126 DMOS Output Switch
  • feature
    260-kHz Fixed Frequency Internal Oscillator
  • feature
    3.3-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 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
    Soft-Start and Frequency Synchronization
  • 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 2600KHZ SOIC-8
The LM2671 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, fixed frequency oscillator, external shutdown, soft start, and frequency synchronization. The LM2671 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 LM2671 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
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SOIC
No. of Pins:
8Pins
Output Current:
500mA
Output Voltage Min:
1.21V
Output Voltage Max:
37V
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

8V to 40V, 500mA SIMPLE SWITCHER® buck converter with 5 external components

Texas Instruments product

Conrad

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

Conrad product