MAX15035 Maxim Integrated Products, MAX15035 Datasheet - Page 2

• Manufacturer Part Number: MAX15035
• Description: 15A Step-Down Regulator
• Manufacturer: Maxim Integrated Products

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ABSOLUTE MAXIMUM RATINGS
IN to PGND.............................................................-0.3V to +28V
TON to GND ...........................................................-0.3V to +28V
V
V
EN, SKIP, PGOOD to GND.......................................-0.3V to +6V
REF, REFIN to GND....................................-0.3V to (V
ILIM, FB to GND .........................................-0.3V to (V
GND to PGND .......................................................-0.3V to +0.3V
LX to PGND ...............................................................-1V to +28V
BST to PGND...............................................(V
BST to LX..................................................................-0.3V to +6V
15A Step-Down Regulator with Internal Switches
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.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
ified. Typical values are at T
2
DD
CC
PWM CONTROLLER
Input Voltage Range
Quiescent Supply Current (V
Shutdown Supply Current (V
V
Threshold
V
On-Time
Minimum Off-Time
TON Shutdown Supply Current
REFIN Voltage Range
REFIN Input Current
FB Voltage Range
FB Voltage Accuracy
FB Input Bias Current
FB Output Low Voltage
Load-Regulation Error
Line-Regulation Error
CC
DD
_______________________________________________________________________________________
to GND ..............................................................-0.3V to +6V
to GND ................................................-0.3V to (V
-to-V
Undervoltage Lockout
CC
PARAMETER
Resistance
IN
= 12V, V
A
DD
DD
= +25°C.) (Note 1)
)
DD
)
= V
V
SYMBOL
I
t
U V LO( V C C )
DD
OFF(MIN)
CC
V
I
I
SHDN
REFIN
R
REFIN
t
V
V
V
I
ON
FB
+ I
CC
FB
FB
IN
= V
CC
DD
EN
- 0.3V) to +34V
= 5V, REFIN = ILIM = REF, SKIP = GND. T
FB forced above REFIN
EN = GND, T
Rising edge, PWM disabled below this
level; hysteresis = 100mV
V
V
(Note 3)
(Note 3)
EN = GND, V
V
(Note 2)
T
(Note 2)
V
m easur ed at FB,
V
SKIP = V
V
V
V
I
SKIP = V
V
SINK
A
IN
FB
CC
REFIN
I N
REFIN
REFIN
FB
CC
DD
CC
CC
= +25°C, REFIN = 0.5V to 2V
= 12V,
= 4.5V to 26V ,
= 1.0V
= 0.5V to 2.0V, T
= 0V or 5V, T
= 4.5V to 5.5V, V
= 3mA
+ 0.3V)
+ 0.3V)
+ 0.3V)
= 0.5V,
= 1.0V
= 2.0V
DD
DD
A
TON
= +25°C
CONDITIONS
R
R
R
A
= 26V,
TON
TON
T ON
BST to V
REF Short Circuit to GND ...........................................Continuous
IN RMS Current Rating (continuous)......................................15A
PGND RMS Current Rating (continuous) ...............................20A
Continuous Power Dissipation (T
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature Range ..........................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
= +25°C
T
T
T
T
T
A
IN
A
A
A
A
A
40-Pin, 6mm x 6mm Thin QFN (T4066-MCM)
(derate 27mW/°C above +70°C) ................................2162mW
= +25°C
= +25°C
= 0°C to +85°C
= +25°C
= 0°C to +85°C
= 0°C to +85°C
= 97.5kΩ (600kHz)
= 200kΩ (300kHz)
= 302.5kΩ ( 200kH z)
= 4.5V to 26V
DD
.............................................................-0.3V to +28V
A
= 0°C to +85°C, unless otherwise spec-
0.495
0.493
0.995
0.993
1.990
MIN
3.95
123
275
379
-0.1
4.5
-50
0
0
A
= +70°C)
TYP
0.01
164
303
442
225
0.7
0.1
4.2
0.5
1.0
2.0
0.1
0.2
20
0.505
0.507
1.005
1.007
2.010
MAX
V
V
+0.1
26.0
4.45
+50
205
331
505
350
1.2
0.4
REF
REF
2
1
UNITS
mA
µA
µA
nA
µA
ns
ns
%
%
Ω
V
V
V
V
V
V
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