BD2320EFJ-LA High-Side & Low-Side Driver ROHM Semiconductor BD2320EFJ-LA High-Frequency High-Side and Low-Side Driver is the 100V maximum voltage high-side and low-side gate driver that can drive external Nch-FET using the bootstrap method. The ROHM Semiconductor BD2320EFJ-LA includes a 100V bootstrap diode and independent inputs control for the high-side and low-side. 3.3V and 5.0V are available for interface voltage. Undervoltage lockout circuits are built in for high-side and low-side.