ISL6217 Datasheet - Intersil Corporation

ISL6217 Precision Multi-Phase Buck PWM Controller

NS ESIG D EW R N DUCT O F D RO NDE TUTE P E M STI Data OM 7A Sheet REC EE SUB ISL621 T O S N ® ISL6217 December 2006 FN9089.3 Precision Multi-Phase Buck PWM Controller for Intel‚ Mobile Voltage Positioning IMVP-IV ™ and IMVP-IV+ ™ The ISL6217 Multi-Phase Buck PWM control IC, with integrated half bridge gate drivers, provides a precision voltage regulation system for advanced Pentium“ IV microprocessors in notebook computers. Two-phase operation eases the thermal management issues and load dema.

ISL6217 Features

* both input voltage feed-forward and average current mode control for excellent dynamic response, “Loss-less” current sensing using MOSFET RDS(ON) and user selectable switching frequencies from 250kHz to 1MHz per phase. The ISL6217 includes a 6-bit digital-to-analog converter (DAC) that dynamically a

ISL6217_IntersilCorporation.pdf