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The ISL6558 is a multi-phase PWM controller, which in combination with the HIP6601B,HIP6602B, HIP6603B, or ISL6605 companion gate drivers form a complete solution for high-current, high slew-rate applications. The ISL6558 regulates output voltage, balances load currents and provides protective functions for two to four synchronous rectified buck converter channels.

Features

? Pb-Free Plus Anneal Available (RoHS Compliant)

? Multi-Phase Power Conversion

- 2-, 3-, or 4-Phase Operation

? Optional Output Voltage Droop

? Precision Channel-Current Balance

? Lossless Current Sensing

? Precision Reference Voltage

- 0.8V ± 1.5 Over -40°C - 85°C Range

- 0.8V ± 1.0 Over 0°C - 70°C Range

? Fast Transient Response

? Overcurrent and Overvoltage Protection

? Digital Soft-start

? Power Good Indication

? High Ripple Frequency (80kHz to 1.5MHz)

? QFN Package

- Compliant to JEDEC PUB95 MO-220 QFN-Quad Flat No Leads-Product Outline

- Near Chip-Scale Package Footprint; Improves PCB Efficiency and Thinner in Profile