Step-up and inverted 2-channel DC/DC converter with Built-in Power MOSFET - BD8317GWL | ROHM Semiconductor - ROHM Co., Ltd.
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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.
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Specifications:
Grade
Standard
ch
2
Integrated FET / Controller
Integrated FET
Buck / Boost / Buck-Boost / Inverting
Boost / Inverting
Synchronous / Nonsynchronous
Non-synchronous
Vin1(Min.)[V]
2.5
Vin1(Max.)[V]
5.5
Vout1(Max.)[V]
18.0
Vout2(Min.)[V]
-9.0
Vout2(Max.)[V]
-1.0
SW frequency(Max.)[MHz]
0.8
Operating Temperature (Min.)[°C]
-35
Operating Temperature (Max.)[°C]
85
Features:
- 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