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LM2673
SNVS030O – APRIL 2000 – REVISED JUNE 2016
LM2673 SIMPLE SWITCHER® 3-A Step-Down Voltage
Regulator With Adjustable Current Limit
1 Features
•1 Efficiency Up to 94% • Simple and Easy to Design With (Using Off-The-
Shelf External Components) • Resistor Programmable Peak Current Limit Over a
Range of 2 A to 5 A • 150-mΩ DMOS Output Switch • 3.
3-V, 5-V, 12-V Fixed Output and Adjustable
(1.
2 V to 37 V) Versions • ±2% Maximum Output Tolerance Over Full Line
and Load Conditions • Wide Input Voltage Range: 8 V to 40 V • 260-KHz Fixed Frequency Internal Oscillator • Soft-Start Capability • –40 to 125°C Op...