MAX8538EEI+ Maxim Integrated Products, MAX8538EEI+ Datasheet - Page 22

• Manufacturer Part Number: MAX8538EEI+
• Description: IC CNTRLR BUCK DUAL 28-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX8538EEI+

• Applications: Controller, DDR
• Voltage - Input: 4.5 ~ 23 V
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 3.6 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Output Voltage: 0.8 V to 3.6 V
• Output Current: 30 A
• Input Voltage: 4.5 V to 23 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Case: SSOP
• Dc: 05+
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual-Synchronous Buck Controllers for Point-of-
Load, Tracking, and DDR Memory Power Supplies
2) Keep separate the power ground plane (connected
3) Keep the high-current paths as short as possible.
22
to the sources of the low-side MOSFETs, pin 24,
input capacitor ground, output capacitor ground,
and VL decoupling capacitor ground) and the signal
ground plane (connected to GND pin and the rest of
the circuit ground returns). Place the input decou-
pling ceramic capacitor as directly and close to the
high-side MOSFET drain and the low-side MOSFET
source as possible. Place the RC snubber circuit as
close to the low-side MOSFET as possible.
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4) Connect the drains of the MOSFETs to a large land
5) Ensure all feedback connections are short and
6) Route high-speed switching nodes away from sensi-
7) Refer to the evaluation kit for a sample board layout.
TRANSISTOR COUNT: 5504
PROCESS: BiCMOS
area to help cool the devices and further improve
efficiency and long-term reliability.
direct. Place the feedback resistors as close to the
IC as possible.
tive analog areas (FB, COMP).
Chip Information