107-V 0.5-A/0.8-A half-bridge gate driver with 5-V UVLO and integrated bootstrap diode

The LM2105 is a

compact, high-voltage gate driver designed to drive both the high-side and the low-side

N-channel MOSFETs in a synchronous buck or a half-bridge configuration. The integrated bootstrap diode saves board

space and reduces system cost by eliminating the need for an external discrete diode.

The –1-V DC and

–19.5-V transient negative voltage handling on the SH pin improve the system robustness in

high noise applications. The small,

thermally-enhanced 8-pin WSON package improves PCB layout by allowing the driver to be

placed closer to the motor phases. The LM2105 is also available in

an 8-pin SOIC package compatible with industry standard pinouts. Undervoltage lockout (UVLO)

is provided on both the low-side and the high-side power rails for protection during power

up and power down.