BD8317GWL - Rohm

BD8317GWL Step-up and inverted 2-channel DC/DC converter

The BD8317GWL is step-up and inverted 2-channel switching regulator with integrated internal high-side MOSFET. With wide input range from 2.5~5.5V ,it suitable for application of portable item. In addition,The small package design is ideal for miniaturizing the power supply. ●Features ■ Wide input voltage range of 2.5V to 5.5 V ■ High frequency operation 0.8.

Features

■ Wide input voltage range of 2.5V to 5.5 V
■ High frequency operation 0.8MHz
■ Incorporates Nch FET of 230mΩ/22V and Pch Pow FET of 230mΩ/15V
■ Incorporates Soft Start (4.2msec(typ))and hight side switch of boost channel
■ Independent ON/OFF signal(STB). Built-in discharge SW for step up channel
■ Small package UCSP50L1( 1.8mm×1.5mm, 4× 3 grid, 11pin, WLCSP)
■ Circuits protection OCP,SCP,UVLO,TSD
●Important Specifications
■ Input voltage range 2.5～5.5 [V]
■ Output boost voltage Input voltage(max)~18 [V]
■ Output inverted voltage
■ Maximum current
■ Operating frequency
■ Nch FET ON resist.