MAX8538EEI+T Maxim Integrated Products, MAX8538EEI+T Datasheet - Page 20

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

Specifications of MAX8538EEI+T

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual-Synchronous Buck Controllers for Point-of-
Load, Tracking, and DDR Memory Power Supplies
20
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COMP1
COMP2
REFIN
FREQ
GND
EN1
SS2
EN2
AVL
1V
BIAS
OSC
OVP1
UVP2
SENSE
SENSE
IMAX
IMAX
SOFT-START
0.936V
0.7REFIN
PWM
PWM
EAMP
MAX8537/MAX8539 Functional Diagram
EAMP
REFIN
0.80V
REFIN
0.560V
CONTROL
LOGIC
CONTROL
LOGIC
EAMP
SOFT-START
UVP1
REF
1.12REFIN
0.88REFIN
1.17REFIN
0.896V
0.704V
200µA
200µA
VL
VL
VL
OVP2
PGND
ILIM1
BST1
DH1
LX1
DL1
PGND
V+
VL
SS1
FB1
POK1
VTTR
ILIM2
BST2
DH2
LX2
DL2
POK2
FB2