Step-up and inverted 2-channel DC/DC converter with Built-in Power MOSFET - BD8317GWL | ROHM Semiconductor - ROHM Co., Ltd.
Step-up and inverted 2-channel DC/DC converter with Built-in Power MOSFET - BD8317GWL
The BD8317GWL is step-up and inverted 2-channel switching regulator with integrated internal high-side MOSFET. With wide input range from 2.5 to 5.5V, it suitable for application of portable item. In addition, The small package design is ideal for miniaturizing the power supply.
Integrated FET / Controller
Buck / Boost / Buck-Boost / Inverting
Boost / Inverting
Synchronous / Nonsynchronous
Operating Temperature (Min.)[°C]
Operating Temperature (Max.)[°C]
- Wide input voltage range of 2.5V to 5.5V
- 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 high 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