MAX8744ETJ+ Maxim Integrated Products, MAX8744ETJ+ Datasheet - Page 35

• Manufacturer Part Number: MAX8744ETJ+
• Description: IC CNTRLR PWR SUP QUAD 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8744ETJ+

• Applications: Controller, Notebook Computers
• Voltage - Input: 6 ~ 26 V
• Number Of Outputs: 4
• Voltage - Output: 3.3V, 5V, 1 ~ 26 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Duty Cycle (max): 99 %
• Output Voltage: 3.315 V, 5.015 V, 2 V to 5.5 V
• Mounting Style: SMD/SMT
• Switching Frequency: 200 KHz, 300 KHz, 500 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Boost, Flyback, Forward
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TRANSISTOR COUNT: 6897
PROCESS: BiCMOS
Figure 9. PCB Layout
n-CHANNEL
MOSFETS
SINGLE
Supply Controllers for Notebook Computers
High-Efficiency, Quad-Output, Main Power-
INPUT
______________________________________________________________________________________
C
HIGH-POWER LAYOUT
IN
GROUND
Chip Information
INDUCTOR
C
C
EXPOSED PAD TO
OUT
OUT
CONNECT THE
ANALOG GND
OUTPUT
REF BYPASS
CAPACITOR
(REFER TO THE EVALUATION KIT)
MAX8744/MAX8745
KELVIN SENSE VIAS
UNDER THE SENSE
RESISTOR
INPUT
CONNECT GND AND PGND TO THE
CONTROLLER AT ONE POINT
ONLY AS SHOWN
OUTPUT
VIA TO POWER
GROUND
LOW-POWER LAYOUT
C
OUT
INDUCTOR
C
IN
GROUND
n-CHANNEL
MOSFET
DUAL
DH
LX
DL
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