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Intersil : PWM regulators target Intel mobile CPUs



Intersil has introduced compact multiphase PWM regulators that comply with the Intel Mobile Voltage Positioning (IMVP-6.5TM) specification. The ISL62882 and ISL62883 reduce total component cost and implementation footprint for a wide range of Intel-based mobile handsets, notebooks, network systems and embedded designs, including the new Capella® platform based on the Ibex Peak-M® chipset.

Each regulator supports various CPUs using programmable 3-phase, 2-phase or 1-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 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 1-phase mode. In addition, 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(TM), which commands variable switching frequency during load transients, achieving faster transient response than traditional modulators. With the same modulator, the switching frequency is reduced at light load, increasing the regulator efficiency.

The ISL62882/3 are available now in compact 40-lead QFN packages, with prices starting at $3.93 each in 1,000-piece units.

For further information and reader enquiries:

Intersil SA, Sandringham House, 110 Sandringham Avenue, Harlow, Essex, CM19 5QA
Tel: +44 (0)1279 630922
Fax: +44 (0)1279 630939
E-mail:
Web:

About Intersil

Intersil Corporation is a leader in the design and manufacture of high-performance analogue and mixed signal semiconductors. The Company’s products address some of the industry’s fastest growing markets, such as, flat panel displays, cell phones, other handheld systems, and notebooks. Intersil’s product families address power management functions and analogue signal processing functions. Intersil products include ICs for battery management, hot-swap and hot-plug controllers, linear regulators, power sequencers, supervisory ICs, bridge drivers, PWM controllers, switching DC/DC regulators, Zilker Labs Digital Power ICs and power MOSFET drivers; optical storage laser diode drivers; DSL line drivers; D2Audio products; video and high-performance operational amplifiers; high-speed data converters; interface ICs; analogue switches and multiplexers; crosspoint switches; voice-over-IP devices; and ICs for military, space and radiation-hardened applications.

For more information about Intersil or to find out how to become a member of our winning team, visit the Company’s web site and career page at www.intersil.com.


Note: The above text is the public part of the press release obtained from the manufacturer (with minor modifications). EETimes Europe cannot be held responsible for the claims and statements made by the manufacturer. The text is intended as a supplement to the new product presentations in EETimes Europe magazine.


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