ISL6571
Complementary MOSFET Driver and Synchronous Half-Bridge Switch
Typical Diagram
Key Features
- Improved Performance over Conventional Synchronous Buck Converter using Discrete Components
- Optimal Deadtime Provided by Adaptive Shoot-Through
- Switching Frequency up to 1MHz
- High-Bandwidth, Fast Transient Response
- Small, Low Profile Converters
- Reduced Connection Parasitics between Discrete Components
- Low Electromagnetic Emissions
- Low Profile, Low Thermal Impedance Packaging
- High Power Density Applications
- QFN Package:
- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Package Outline
- Near Chip Scale Package footprint, which improves PCB efficiency and has a thinner profile
- Pb-Free Available (RoHS Compliant)
Description
The Intersil ISL6571 provides a new approach for implementing a synchronous rectified buck switching regulator. The ISL6571 replaces two power MOSFETs, a Schottky diode, two gate drivers and synchronous control circuitry. Its main applications address high-density power conversion circuits including multiphase-topology computer microprocessor core power regulators, ASIC and memory array regulators, etc. Another useful feature of the ISL6571 is the compatibility with three-state input control: left open, the PWM input turns off both output drives. The ISL6571 operates in continuous conduction mode reducing EMI constraints and enabling high bandwidth operation.
Applications
- Multiphase Power Regulators
- Low-Voltage Switchmode Power Conversion
- High-Density Power Converters
