The L6598 device is manufactured with the BCD™ offline technology, able to ensure voltage ratings up to 600 V, making it perfectly suited for AC/DC adapters and wherever a resonant topology can be beneficial. The device is intended to drive two power MOSFETs, in the classical half bridge topology. A dedicated timing section allows the designer to set soft-start time, soft-start and minimum frequency. An error amplifier, together with the two enable inputs, are made available. In addition, the integrated bootstrap diode and the Zener clamping on low voltage supply, reduces to a minimum the external parts needed in the applications.

High voltage rail up to 600 V
dV/dt immunity ±50 V/ns in full temperature range
Driver current capability: 250 mA source 450 mA sink
Switching times 80/40 ns rise/fall with 1 nF load
CMOS shutdown input
Undervoltage lockout
Soft-start frequency shifting timing
Sense op amp for closed loop control or protection features
High accuracy current controlled oscillator
Integrated bootstrap diode
Clamping on Vs
Available in DIP16 and SO16 packages