Non-isolated AC-to-DC Buck Regulators

Shamrock’s non-isolated AC-to-DC step down Buck Regulators offer the power solution for AC powered BLDC Motor / BLDC Fan.

SMD911, the 450V AC-to-DC Non-isolated Step Down Buck Regulator, with external power MOSFET, the IC can support widely constant output voltage range from 12V to 60V and maximal coil current to 500mA.

The SMD911 AC-to-DC Non-isolated Buck Regulator circuit supports up to 30W power source for BLDC Motor / BLDC Fan.

SMD916, the AC-to-DC Non-isolated Step Down Buck Converter with integrated 650V MOSFET, the IC can support steady output voltage with current up to 200mA.

For the AC powered BLDC Motor / BLDC Fan, SMD916 support the steady voltage and current up to 200mA to the motor control circuit