LV5781 Datasheet (Sanyo Semicon Device)

LV5781, Step-down Converter

GND of output voltage setting pins FB0 and FB2.

It is connected to GND for use when pin FB2 is used.

Output ON/OFF with an active-high polarity.

When set to L, the current consumption is reduced to 10µA or less.

Soft start time constant setting.

The charge current is set to approx.

6.5µA and when a

www.DataSheet.co.kr Ordering number : ENA0663A Bi-CMOS IC LV5781 Overview 3A, Point-of-load, Chopper-type Step-down Converter The LV5781 is a 1-channel chopper-type (low-side Schottky diode) step-down switching regulator.

It incorporates an 80mΩ (typical) power MOSFET to achieve high-efficiency operation for 3A output currents.

The output voltage is set internally to 3.3V.

By adding two external resistors, it is possible to set the voltage to any desired setting above 0.85V.

Inrush current

LV5781 Features

* and structural design. In the event that any or all SANYO