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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.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BD8317GWL-E2 Active UCSP50L1 3000 3000 Taping Yes
 
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
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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Technical Data
Application Note

Calculation of Power Loss (Synchronous)

Application Note

Thermal Resistance

Application Note

Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)

Application Note

Thermal Resistance