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