ISL6420IAZ

ISL6420IAZ Features

• Operates from 4.5V to 16V Input • 0.6V Internal Reference Voltage- ±1.0% Reference Voltage Accuracy • Resistor-Selectable Switching Frequency- 100kHz to 1.4MHz • Voltage Margining and External Reference TrackingModes • Output Can Sink or Source Current • Lossless, Programmable Overcurrent Protection- Uses Upper MOSFET‘s rDS(ON) • Programmable Soft-Start • Drives N-Channel MOSFETs • Simple Single-Loop Control Design- Voltage-Mode PWM Control • Fast Transient Response- High-Bandwidth Error Amplifier- Full 0% to 100% Duty Cycle • Extensive Circuit Protection Functions- PGOOD, overvoltage, overcurrent, Shutdown • QFN (4x4) Package- QFN Compliant to JEDEC PUB95 MO-220 QFN - QuadFlat No Leads - Product Outline- QFN Near Chip Scale Package Footprint; ImprovesPCB Efficiency, Thinner in Profile • Also Available in QSOP Package • Pb-Free Available (RoHS Compliant)

ISL6420IAZ Applications

• Power Supplies for Microprocessors/ASICs- Embedded Controllers- DSP and Core Processors- DDR SDRAM Bus Termination • Ethernet Routers and Switchers • High-Power DC/DC Regulators • Distributed DC/DC Power Architecture • Personal Computer Peripherals • Externally Referenced Buck Converters