IR11688S
Overview
The IR11688 is a dual smart secondary-side controller IC optimized to drive two N-Channel power MOSFETs configured for synchronous rectification in resonant converter applications. Each channel can drive one or multiple parallel MOSFETs to emulate the behavior of.
- Secondary-side high speed synchronous rectification controller for resonant half bridge Topology LLC Half-bridge converters VD
- Direct sensing of MOSFET drain voltage up to 200V
- Operates up to 400kHz switching frequency VOUT 200V Vcc
- Programmable Minimum On Time
- Anti-bounce logic and UVLO protection Io+ & I o- +1A & -4A
- Linear turn-off phase to compensate for premature switch off due to parasitic inductance Package Options
- 4A peak turn off drive current
- Micropower start-up & ultra-low quiescent current
- 50ns turn-off propagation delay
- Wide Vcc operating range 4.75V to 18V
