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Details for LM2673S-ADJ/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM2673S-ADJ/NOPB
Buy Directly from Texas Instruments (7105 in stock) $2.2200
IC DC/DC CONVERTER 3A
LM2673S-ADJ/NOPB image

LM2673S-ADJ/NOPB by Texas Instruments

IC DC/DC CONVERTER 3A
Features
150-mu03a9 DMOS Output Switch
260-KHz Fixed Frequency Internal Oscillator
3.3-V, 5-V, 12-V Fixed Output and Adjustable (1.2 V to 37 V) Versions
Efficiency Up to 94%
Resistor Programmable Peak Current Limit Over a Range of 2 A to 5 A
Simple and Easy to Design With (Using Off-The- Shelf External Components)
Soft-Start Capability
Wide Input Voltage Range: 8 V to 40 V
u00b12% Maximum Output Tolerance Over Full Line and Load Conditions
u201340 to 125u00b0C Operating Junction Temperature
Part Information
LM2673S-ADJ/NOPB image
RoHS Compliant
Description
The LM2673 series of regulators are monolithic integrated circuits which provide all of the active functions for a step-down (buck) switching regulator capable of driving up to 3-A loads with excellent line and load regulation characteristics. High efficiency (>90%) is obtained through the use of a low ONresistance DMOS power switch. The series consists of fixed output voltages of 3.3 V, 5 V, and 12 V and an adjustable output version. The SIMPLE SWITCHER® concept provides for a complete design using a minimum number of external components. A high fixed frequency oscillator (260 kHz) allows the use of physically smaller sized components. A family of standard inductors for use with the LM2673 are available from several manufacturers to greatly simplify the design process. Other features include the ability to reduce the input surge current at power on by adding a soft-start timing capacitor to gradually turn on the regulator. The LM2673 series also has built-in thermal shutdown and resistor programmable current limit of the power MOSFET switch to protect the device and load circuitry under fault conditions. The output voltage is ensured to a ±2% tolerance. The clock frequency is controlled to within a ±11% tolerance.
Specifications
Topology:
Buck (Step Down)
Input Voltage Min:
8V
Input Voltage Max:
40V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
TO-263
No. of Pins:
7Pins
Output Current:
3A
Output Voltage Min:
1.2V
Output Voltage Max:
37V
Switching Frequency:
260kHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
2%
Adjustable Output Voltage Min:
1.2V
Frequency:
280kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Output Voltage:
37V
Primary Input Voltage:
40V
Supply Voltage Min:
8V
Termination Type:
Through Hole
Voltage Regulator Type:
Step Down (Buck)
Alternate Descriptions
Stepdown switching regulator,LM2673S-ADJ RS Components
IC, DC/DC CONVERTER, 3A; Topology:Buck (Step Down); Input Voltage Min:8V; Input Voltage Max:40V; No. of Outputs:1Outputs; DC / DC Converter IC Case:TO-263; No. of Pins:7Pins; Output Current:3A; Output Voltage Min:1.2V; Output VoltageRoHS Compliant: Yes Newark Electronics
Conv DC-DC Single Step Down 8V to 40V 8-Pin(7+Tab) TO-263 Rail Avnet America
PMIC; DC/DC converter; Uin:8÷40V; Uout:1.23÷37V; D2PAK-7; buck Transfer Multisort Elektronik
Conv DC-DC Single Step Down 8V to 40V 8-Pin(7+Tab) TO-263 Rail Avnet Europe
Switch. Reg 3A 1,2-37V 45Vs D?Pak-7 Schukat Electronic
8V to 40V, 3A SIMPLE SWITCHER® buck converter with adjustable current limit Texas Instruments