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LM2670
SNVS036K – APRIL 2000 – REVISED JUNE 2016
LM2670 SIMPLE SWITCHER® High Efficiency 3-A Step-Down
Voltage Regulator With Sync
1 Features
•1 Efficiency Up to 94% • Simple and Easy to Design With (Using Off-the-
Shelf External Components) • 150-mΩ DMOS Output Switch • 3.
3-V, 5-V, 12-V Fixed Output and Adjustable
(1.
2 V to 37 V) Versions • 50-µA Standby Current When Switched OFF • ±2% Maximum Output Tolerance Over Full Line
and Load Conditions • Wide Input
Voltage Range: 8 V to 40 V • External Sync Clock Capability
(280 kHz to 400 kHz) • 260-kHz Fixed Frequency Internal Oscillator • –40 to 125°C Oper...