L6750 - STMicroelectronics

L6750 2 to 5 phase controller

Applications ■ ■ ■ ■ High-Current VRM / VRD for desktop / server / workstation CPUs Graphic cards Low-voltage, high-current power supplies High-density DC DC converters Device summary Order code Table 1. Package VFQFPN48 VFQFPN48 Packing Tube Tape and reel L6750 L6750TR February 2008 Rev 1 1/3 www.st.com 3 For further information contact your local.

Features

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■ LTB technology® to enhance load transient I2C power manager 2 to 5 scalable phase operation Dual-edge asynchronous architecture Flexible driver support PSI# input and IMON output for VR11.1 7/8 bit programmable output - VR10/11.x DAC 6 bit programmable output - AMD AM2 DAC 0.5 % output voltage accuracy Full-differential current sense across inductor DCR Integrated remote sense buffer Adaptive Voltage Positioning (AVP) Feedback disconnection protection Adjustable oscillator from 100 kHz to 1 MHz LSLess startup to manage pre-biased output Programmable Soft-st.