LT4320 Ideal Diode Bridge Controllers Analog Devices Inc. LT4320 Ideal Diode Bridge Controllers drive four N-channel MOSFETs, supporting voltage rectification from DC to 600Hz typical. The LT4320 maximizes available voltage and reduces power dissipation. Analog Devices Inc. LT4320 Ideal Diode Bridge Controllers simplify power supply designs and reduce power supply costs, especially in low voltage applications.