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Details for LM2671MX-ADJ/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC CONV BUCK 2600KHZ SOIC-8
LM2671MX-ADJ/NOPB image

LM2671MX-ADJ/NOPB by Texas Instruments

DC/DC CONV BUCK 2600KHZ SOIC-8
Features
0.25-u2126 DMOS Output Switch
260-kHz Fixed Frequency Internal Oscillator
3.3-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 WSON Packages
Efficiency up to 96%
Ensured 500-mA Output Load Current
Requires Only 5 External Components
Simple and Easy to Design With
Soft-Start and Frequency Synchronization
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
LM2671MX-ADJ/NOPB image
RoHS Compliant
Description
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
DC/DC CONV, BUCK, 2600KHZ, SOIC-8; 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; RoHS Compliant: Yes Newark Electronics
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