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Details for LM2674MX-12/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM2674MX-12/NOPB
Buy Directly from Texas Instruments (37857 in stock) $1.2000
DC/DC CONV BUCK 260KHZ TO-263-5
LM2674MX-12/NOPB image

LM2674MX-12/NOPB by Texas Instruments

DC/DC CONV BUCK 260KHZ TO-263-5
Features
0.25-u2126 DMOS Output Switch
260-kHz Fixed Frequency Internal Oscillator
3-V, 5-V, 12-V, and Adjustable Output Versions
Adjustable Version Output Voltage Range: 1.21 V to 37 V
Available in 8-Pin SOIC, PDIP, and 16-Pin WSON Packages
Efficiency up to 96%
Ensured 500-mA Output Load Current
Requires Only 5 External Components
Simple and Easy to Design With
TTL Shutdown Capability, Low Power Standby Mode
Thermal Shutdown and Current Limit Protection
Uses Readily Available Standard Inductors
Wide Input Voltage Range: 8 V to 40 V
u00b11.5% Maximum Output Voltage Tolerance Over Line and Load Conditions
Part Information
LM2674MX-12/NOPB image
RoHS Compliant
Description
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:
6.5V
Input Voltage Max:
40V
DC / DC Converter IC Case:
SOIC
No. of Pins:
8Pins
Output Current:
500mA
Output Voltage Nom.:
12V
Switching Frequency:
260Hz
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
Conv DC-DC Single Step Down 8V to 40V 8-Pin SOIC N T/R Avnet America
Conv DC-DC Single Step Down 8V to 40V 8-Pin SOIC N T/R Avnet Europe
SIMPLE SWITCHER® 40V, 500mA Low Component Count Step-Down Regulator Texas Instruments