BU90028NUX, BU90023NUX Datasheet - ROHM

BU90028NUX Step-down Switching regulators

The BU9002xNUX are a high efficiency 1MHz synchronous step-down switching regulator with low current PFM mode. It provides up to 1.5A load current and an input voltage range from 4.5V to 5.5V, optimized for various applications with input voltage range up to 5V. BU9002xNUX has a mode control pin tha.

BU90028NUX Features

* Fast transient response

* Automatic PFM/PWM operation.

* Forced PWM operation

* Internal Soft Start

* Under voltage lockout

* Over current protection

* Thermal shutdown

* Lineup

* Applications POL, 1Cell Li-ion battery for portable applications , USB accessories

BU90023NUX-ROHM.pdf