参数资料
型号: MAX15035EVKIT+
厂商: Maxim Integrated Products
文件页数: 3/27页
文件大小: 0K
描述: EVALUATION KIT FOR MAX15035
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: Quick-PWM™
主要目的: DC/DC,步降
输出及类型: 1,非隔离
电流 - 输出: 15A
输入电压: 4.5 ~ 26 V
稳压器拓扑结构: 降压
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX15035
15A Step-Down Regulator with Internal Switches
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = 12V, V DD = V CC = V EN = 5V, REFIN = ILIM = REF, SKIP = GND. T A = 0°C to +85°C , unless otherwise spec-
ified. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
Soft-Start/Soft-Stop Slew Rate
Dynamic REFIN Slew Rate
SYMBOL
SS SR
DYN SR
CONDITIONS
Rising/falling edge on EN
Rising edge on REFIN
MIN
0.4
3
TYP
1.2
9.45
MAX
2.2
18
UNITS
mV/μs
mV/μs
REFERENCE
Reference Voltage
V REF
V CC = 4.5V
to 5.5V
No load
I REF = -10μA to +50μA
1.990
1.98
2.00
2.010
2.02
V
FAULT DETECTION
With respect to the internal target voltage
(error comparator threshold); rising edge;
250
300
350
mV
Output Overvoltage-Protection
Trip Threshold
OVP
hysteresis = 50mV
Dynamic transition
V REF +
0.30
V
Minimum OVP threshold
0.7
Output Overvoltage
Fault-Propagation Delay
t OVP
FB forced 25mV above trip threshold
5
μs
Output Undervoltage-Protection
Trip Threshold
Output Undervoltage
Fault-Propagation Delay
UVP
t UVP
With respect to the internal target voltage
(error comparator threshold) falling edge;
hysteresis = 50mV
FB forced 25mV below trip threshold
-240
100
-200
200
-160
350
mV
μs
UVP falling edge, 25mV overdrive
5
PGOOD Propagation Delay
PGOOD Output-Low Voltage
t PGOOD
OVP rising edge, 25mV overdrive
Startup delay
I SINK = 3mA
100
5
200
350
0.4
μs
V
PGOOD Leakage Current
Dynamic REFIN Transition Fault
Blanking Threshold
Thermal-Shutdown Threshold
I PGOOD
T SHDN
FB = REFIN (PGOOD high impedance),
PGOOD forced to 5V, T A = +25°C
Fault blanking initiated; REFIN deviation
from the internal target voltage (error
comparator threshold); hysteresis = 10mV
Temperature rising, hysteresis = 15°C
±50
160
1
μA
mV
°C
CURRENT LIMIT
ILIM Input Range
0.4
V REF
V
ILIM Input Bias Current
T A = +25°C, ILIM = 0.4V to 2V
-0.1
+0.1
μA
Current-Limit Threshold
Current-Limit Threshold
(Negative)
Current-Limit Threshold
(Zero Crossing)
Ultrasonic Frequency
V ILIMIT
V INEG
V ZX
V ILIM = 0.4V, V GND - V LX
ILIM = REF (2.0V), V GND - V LX
V ILIM = 0.4V, V GND - V LX
V ILIM = 0.4V,
V GND - V LX , SKIP = GND or open
SKIP = open (3.3V); V FB = V REFIN + 50mV
18
92
18
20
100
-24
1
30
22
108
mV
mV
mV
kHz
_______________________________________________________________________________________
3
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