MAX1544 Datasheet, PDF (38/42 Pages) Maxim Integrated Products – Dual-Phase, Quick-PWM Controller for AMD Hammer CPU Core Power Supplies

Dual-Phase, Quick-PWM Controller for
AMD Hammer CPU Core Power Supplies
KELVIN SENSE VIAS UNDER
THE SENSE RESISTOR
(REFER TO EVALUATION KIT)
CPU
MAIN PHASE
R_SENSE
INDUCTOR
OUTPUT
POWER
GROUND
SECONDARY PHASE
R_SENSE
INDUCTOR
PLACE CONTROLLER ON
BACK SIDE WHEN POSSIBLE,
USING THE GROUND PLANE
TO SHIELD THE IC FROM EMI
INPUT
VIAS TO POWER
GROUND
POWER GROUND
(2ND LAYER)
CONNECT THE
EXPOSED PAD TO
ANALOG GND
VIA TO ANALOG
GROUND
POWER GROUND
(2ND LAYER)
CONNECT GND
AND PGND TO THE
CONTROLLER AT ONE POINT
ONLY AS SHOWN
Figure 11. PC Board Layout Example
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