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MAX5038EAI25 Datasheet(PDF) 2 Page - Maxim Integrated Products

Part # MAX5038EAI25
Description  Dual-Phase, Parallelable, Average Current-Mode Controllers
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX5038EAI25 Datasheet(HTML) 2 Page - Maxim Integrated Products

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Dual-Phase, Parallelable, Average Current-Mode
Controllers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VCC = +5V, circuit of Figure 1, TA = -40°C to +85°C, unless otherwise noted. Typical specifications are at TA = +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN to SGND.............................................................-0.3V to +30V
BST_ to SGND…………………………………….…-0.3V to +35V
DH_ to LX_ ................................-0.3V to [(VBST_ - VLX_) + 0.3V]
DL_ to PGND ..............................................-0.3V to (VCC + 0.3V)
BST_ to LX_ ..............................................................-0.3V to +6V
VCC to SGND............................................................-0.3V to +6V
VCC to PGND............................................................-0.3V to +6V
SGND to PGND .....................................................-0.3V to +0.3V
All Other Pins to SGND...............................-0.3V to (VCC + 0.3V)
Continuous Power Dissipation (TA = +70°C)
28-Pin SSOP (derate 9.5mW/°C above +70°C) ............762mW
Operating Temperature Range ...........................-40°C to +85°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SYSTEM SPECIFICATIONS
828
Input Voltage Range
VIN
Short IN and VCC together for +5V input
operation
4.75
5.5
V
Quiescent Supply Current
IQ
EN = VCC or SGND
4
10
mA
Efficiency
η
ILOAD = 52A (26A per phase)
90
%
OUTPUT VOLTAGE
MAX5038 only, no load
-0.8
+0.8
Nominal Output Voltage
Accuracy
MAX5038 only, no load, VIN = VCC =
+4.75V to +5.5V or VIN = +8V to +28V
(Note 2)
-1
+1
%
MAX5041 only, no load
0.992
1.008
MAX5041 only, no load, VIN = VCC =
+4.75V to +5.5V or VIN = +8V to +28V
0.990
1.010
MAX5041B only, no load
0.995
1.005
SENSE+ to SENSE- Voltage
Accuracy
MAX5041B only, no load,
VIN = +8V to +28V
0.995
1.005
V
STARTUP/INTERNAL REGULATOR
VCC Undervoltage Lockout
UVLO
VCC falling
4.0
4.15
4.5
V
VCC Undervoltage Lockout
Hysteresis
200
mV
VCC Output Accuracy
VIN = +8V to +28V, ISOURCE = 0 to 80mA
4.85
5.1
5.30
V
MOSFET DRIVERS
Output Driver Impedance
RON
Low or high output
1
3
Output Driver Source/Sink
Current
IDH_, IDL_
4A
Non-Overlap Time
tNO
CDH_/DL_ = 5nF
60
ns


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