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The Intersil ISL62882 and ISL62883 compact multiphase pulse-width modulation (PWM) regulators comply with the Intel Mobile Voltage Positioning (IMVP-6.5TM) specification. According to the company, they also reduce total component cost and implementation footprint for a range of Intel-based mobile handsets, notebooks, network systems, and embedded designs, including the Capella platform based on the Ibex Peak-M chipset.

Each regulator supports various CPUs using programmable three-phase, two-phase, or one-phase operation. Configurable overshoot reduction capabilities provide minimal VOUT overshoot, which pre-empts voltage misreadings and the potential for product underperformance or failure. Both devices also feature phase dropping, diode emulation, adaptive body diode conduction time reduction to optimize light load efficiency, and FB2 (full buffering) to optimize transient response and Z(f) in one-phase mode. And, the ISL62882 provides a split LGATE function that further improves efficiency.

To reduce total output voltage ripple, the converters apply interleaved phases. Each phase carries part of the load current, which optimizes system performance, efficiency, and thermal management. The PWM modulator is based on Intersil’s Robust Ripple Regulator (R3) Technology, which commands variable switching frequency during load transients, achieving faster transient response than traditional modulators, Intersil says. With the same modulator, the switching frequency is reduced at light load, increasing the regulator efficiency. 

The ISL62882 and ISL62883 are available now in compact 40-lead quad flat no-lead (QFN) packages. Prices start at $3.93 each in 1000-unit lots.