ISL6622A
ISL6622A is VR11.1 Compatible Synchronous Rectified Buck MOSFET Drivers manufactured by Renesas.
feature operational while VCC is below its POR threshold; the PHASE node is connected to the gate of the low side MOSFET (LGATE) via a 10k resistor limiting the output voltage of the converter close to the gate threshold of the low side MOSFET, dependent on the current being shunted, which provides some protection to the load should the upper MOSFET(s) bee shorted.
Features
- Dual MOSFET Drives for Synchronous Rectified Bridge
- Advanced Adaptive Zero Shoot-Through Protection
- 36V Internal Bootstrap Schottky Diode
- Diode Emulation For Enhanced Light Load Efficiency
- Bootstrap Capacitor Overcharging Prevention
- Supports High Switching Frequency
- 3A Sinking Current Capability
- Fast Rise/Fall Times and Low Propagation Delays
- Advanced PWM Protocol (Patent Pending) to Support PSI Mode, Diode Emulation, Three-State Operation
- Pre-POR Overvoltage Protection for Start-up and Shutdown
- VCC Undervoltage Protection
- Expandable Bottom Copper Pad for Enhanced Heat Sinking
- Dual Flat No-Lead (DFN) Package
- Near Chip-Scale Package Footprint; Improves PCB Efficiency and Thinner in Profile
- Pb-Free (Ro HS pliant)
Applications
- High Light Load Efficiency Voltage Regulators
- Core Regulators for Advanced Microprocessors
- High Current DC/DC...
