LM2743 Datasheet (National Semiconductor) - N-Channel FET Synchronous Buck Regulator Controller

LM2743, N-Channel FET Synchronous Buck Regulator Controller

The LM2743 is a high-speed, N-Channel synchronous buck regulator controller with a 2%, 0.6V feedback reference voltage intended to make down conversion from 3.3V to as low as 0.6V easy.

A fixed-frequency voltage-mode PWM control architecture is used, that is adjustable from 50kHz to 2MHz through an

LM2743 Features

* make power supply tracking and sequencing easy. The LM2743 employs output under-voltage and over-voltage flag, and current limit. Current limit is achieved by monitoring the voltage drop across the on resistance of the low-side MOSFET. The adaptive non-overlapping MOSFET gate drivers help avoid pote