IR3558
Overview
The IR3558 integrated PowIRstage® is a synchronous buck gate driver co-packed with a control MOSFET and a synchronous MOSFET with integrated Schottky diode. It is optimized internally for PCB layout, heat transfer and driver/MOSFET timing.
- Peak efficiency up to 94.0% at 1.2V
- Integrated driver, control MOSFET, synchronous MOSFET and Schottky diode
- Input voltage (VIN) operating range of 4.5V to 15V
- Separate LVCC and HVCC from 4.5V to 13.2V to optimize converter efficiency
- Output current capability of 45A DC
- Switching frequency up to 1.0MHz
- Programmable thermal flag threshold from 70°C to 150°C
- 5V VCC with under voltage lockout
- Low quiescent current
- Enable control
