• High Current synchronous rectifier drivers
- 2.2 A source and 4 A sink
• Driver switching synchronized with primary
controller
• Full output control during power-up and
power-down
• 5.5 V to 13 V operating voltage range
• 1.225 V on board bandgap voltage reference
• Can be powered from the pulse transformer
supplying synchronous rectifier timing signals
• On-chip ground-sensing error amplifier
• Programmable rising edge delay
• Output over-voltage protection (OVP)
- SiP11203 turns synchronous rectifiers on
- SiP11204 turns synchronous rectifiers off
• Secondary-side companion chip for the Si9122
Half-Bridge Controller IC