LM2673 SIMPLE SWITCHER 3A Step-Down Voltage Regulator

LM2673 SIMPLE SWITCHER 3A Step-Down Voltage Regulator

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 3A loads with excellent line and load regulation characteristics. High efficiency ( > 90%) is obtained through the use of a.

Features

include the ability to reduce the input surge current at power-ON by adding a softstart 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 guaranteed to a ± 2% tolerance. The clock frequency is controlled to within a ± 11% tolerance. Features n Efficiency up to 94% n Simple and easy to design with (using off-the-shelf external components) n Resistor programmable peak current limit over a.