MAX15035 Maxim Integrated Products, MAX15035 Datasheet - Page 3

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

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ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
ified. Typical values are at T
15A Step-Down Regulator with Internal Switches
Soft-Start/Soft-Stop Slew Rate
Dynamic REFIN Slew Rate
REFERENCE
Reference Voltage
FAULT DETECTION
Output Overvoltage-Protection
Trip Threshold
Output Overvoltage
Fault-Propagation Delay
Output Undervoltage-Protection
Trip Threshold
Output Undervoltage
Fault-Propagation Delay
PGOOD Propagation Delay
PGOOD Output-Low Voltage
PGOOD Leakage Current
Dynamic REFIN Transition Fault
Blanking Threshold
Thermal-Shutdown Threshold
CURRENT LIMIT
ILIM Input Range
ILIM Input Bias Current
Current-Limit Threshold
Current-Limit Threshold
(Negative)
Current-Limit Threshold
(Zero Crossing)
Ultrasonic Frequency
PARAMETER
IN
_______________________________________________________________________________________
= 12V, V
A
= +25°C.) (Note 1)
DD
= V
SYMBOL
t
I
CC
DYN
T
V
PGOOD
PGOOD
V
SS
V
OVP
t
UVP
t
SHDN
ILIMIT
V
OVP
INEG
UVP
REF
ZX
= V
SR
SR
EN
= 5V, REFIN = ILIM = REF, SKIP = GND. T
Rising/falling edge on EN
Rising edge on REFIN
V
to 5.5V
With respect to the internal target voltage
(error comparator threshold); rising edge;
hysteresis = 50mV
Dynamic transition
Minimum OVP threshold
FB forced 25mV above trip threshold
With respect to the internal target voltage
(error comparator threshold) falling edge;
hysteresis = 50mV
FB forced 25mV below trip threshold
UVP falling edge, 25mV overdrive
OVP rising edge, 25mV overdrive
Startup delay
I
FB = REFIN (PGOOD high impedance),
PGOOD forced to 5V, T
Fault blanking initiated; REFIN deviation
from the internal target voltage (error
comparator threshold); hysteresis = 10mV
Temperature rising, hysteresis = 15°C
T
V
ILIM = REF (2.0V), V
V
V
V
SKIP = open (3.3V); V
SINK
CC
A
ILIM
ILIM
ILIM
GND
= +25°C, ILIM = 0.4V to 2V
= 4.5V
= 3mA
= 0.4V, V
= 0.4V, V
= 0.4V,
- V
LX
, SKIP = GND or open
GND
GND
CONDITIONS
No load
I
REF
- V
- V
GND
FB
= -10µA to +50µA
LX
LX
A
= V
= +25°C
- V
LX
REFIN
+ 50mV
A
= 0°C to +85°C, unless otherwise spec-
1.990
-240
MIN
1.98
-0.1
250
100
100
0.4
0.4
18
92
18
3
V
TYP
9.45
2.00
REF
0.30
-200
±50
300
200
200
160
100
-24
1.2
0.7
20
30
5
5
5
1
+
2.010
MAX
V
+0.1
2.02
-160
350
350
350
108
2.2
0.4
18
22
REF
1
UNITS
mV/µs
mV/µs
kHz
mV
mV
mV
mV
mV
mV
µs
µs
µA
°C
µA
µs
V
V
V
V
3
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