MAX8538EEI+ Maxim Integrated Products, MAX8538EEI+ Datasheet - Page 20
![IC CNTRLR BUCK DUAL 28-QSOP](/photos/6/61/66154/28-qsop_21-0055_sml.jpg)
MAX8538EEI+
Manufacturer Part Number
MAX8538EEI+
Description
IC CNTRLR BUCK DUAL 28-QSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX8538EEI.pdf
(23 pages)
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
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