MAX1519 Datasheet, PDF (39/43 Pages) Maxim Integrated Products – Dual-Phase, Quick-PWM Controllers for Programmable CPU Core Power Supplies

Dual-Phase, Quick-PWM Controllers for
Programmable 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
INPUT
PLACE CONTROLLER ON
BACK SIDE WHEN POSSIBLE,
USING THE GROUND PLANE
TO SHIELD THE IC FROM EMI
VIAS TO POWER
GROUND
POWER GROUND
(2ND LAYER)
CONNECT THE
EXPOSED PAD TO
ANALOG GND
VIAS 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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