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.

Part Number	Status	Package	Unit Quantity	Minimum Package Quantity	Packing Type	RoHS
BD8317GWL-E2	Active	UCSP50L1	3000	3000	Taping	Yes

BD8317GWL Data Sheet

Specifications

Grade	Standard
ch	2
Integrated FET / Controller	Integrated FET
Buck / Boost / Buck-Boost / Inverting	Boost / Inverting
Synchronous / Nonsynchronous	Nonsynchronous
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

Technical Documents

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

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