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MAX8760 - Dual-Phase / Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies

General Description

The MAX8760 is a dual-phase, Quick-PWM™, stepdown controller for 6-bit VID AMD Mobile Turion™ 64 CPU core supplies.

Dual-phase operation reduces input ripple current requirements and output voltage ripple while easing component selection and layout difficulties.

Key Features

  • softstart and power-up sequencing, and soft-shutdown. The MAX8760 also features independent four-level logic inputs for setting the suspend voltage (S0, S1). The MAX8760 includes output undervoltage protection, thermal protection, and voltage regulator power-OK (VROK) output. When any of these protection features detect a fault, the controller shuts down. The MAX8760 is available in a low-profile, 40-pin 6mm x 6mm thin QFN package. For other CPU platforms, refer to the pin-to-pin compatible MAX1.

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19-3721; Rev 0; 5/05 www.DataSheet4U.com Dual-Phase, Quick-PWM Controller for AMD Mobile Turion 64 CPU Core Power Supplies General Description The MAX8760 is a dual-phase, Quick-PWM™, stepdown controller for 6-bit VID AMD Mobile Turion™ 64 CPU core supplies. Dual-phase operation reduces input ripple current requirements and output voltage ripple while easing component selection and layout difficulties. The quick-PWM control scheme provides instantaneous response to fast-load current steps. The MAX8760 includes active voltage positioning with adjustable gain and offset, reducing power dissipation and bulk output capacitance requirements.