LMR12010 Datasheet (National Semiconductor) - 1A Step-Down Voltage Regulator

LMR12010, 1A Step-Down Voltage Regulator

Pin 1 2 Name BOOST GND Function Boost voltage that drives the internal NMOS control switch.

A bootstrap capacitor is connected between the BOOST and SW pins.

Signal and Power ground pin.

Place the bottom resistor of the feedback network as close as possible to this pin for accurate regulation.

Feed

LMR12010 Features

* Input voltage range of 3V to 20V Output voltage range of 0.8V to 17V Output current up to 1A 1.6MHz (LMR12010X) and 3 MHz (LMR12010Y) switching frequencies Low shutdown Iq, 30 nA typical Internal soft-start Internally compensated Curr