MAX1544ETL+T Maxim Integrated Products, MAX1544ETL+T Datasheet - Page 38

• Manufacturer Part Number: MAX1544ETL+T
• Description: IC QUICK-PWM DUAL-PHASE 40-TQFN
• Manufacturer: Maxim Integrated Products
• Series: Quick-PWM™r

Specifications of MAX1544ETL+T

• Applications: Controller, AMD Hammer
• Voltage - Input: 2 ~ 28 V
• Number Of Outputs: 1
• Voltage - Output: 0.68 ~ 1.55 V
• Operating Temperature: -40°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 40-TQFN Exposed Pad
• Output Voltage: 0.675 V to 1.55 V
• Output Current: 40 A
• Input Voltage: 4 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual-Phase, Quick-PWM Controller for
AMD Hammer CPU Core Power Supplies
Figure 11. PC Board Layout Example
38
______________________________________________________________________________________
(REFER TO EVALUATION KIT)
KELVIN SENSE VIAS UNDER
THE SENSE RESISTOR
TO SHIELD THE IC FROM EMI
BACK SIDE WHEN POSSIBLE,
USING THE GROUND PLANE
PLACE CONTROLLER ON
MAIN PHASE
INDUCTOR
VIA TO ANALOG
EXPOSED PAD TO
R
CONNECT THE
SENSE
ANALOG GND
GROUND
GROUND
POWER
VIAS TO POWER
GROUND
POWER GROUND
(2ND LAYER)
INPUT
CPU
OUTPUT
POWER GROUND
(2ND LAYER)
CONTROLLER AT ONE POINT
R
SENSE
AND PGND TO THE
ONLY AS SHOWN
CONNECT GND
SECONDARY PHASE
INDUCTOR