参数资料
型号: MAX8654EVKIT+
厂商: Maxim Integrated Products
文件页数: 4/17页
文件大小: 0K
描述: EVAL KIT MAX8654, MAX8688
标准包装: 1
系列: *
12V, 8A 1.2MHz
Step-Down Regulator
ELECTRICAL CHARACTERISTICS (continued)
(V IN = V EN = V VP = 12V, V VDL = 5V, V VL = 3.3V, V SYNC = 0V, V FB = 0.5V, T A = -40°C to +85°C , typical values are at T A = +25°C,
unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SYNC
SYNC Capture Range
0.25
1.20
MHz
SYNC Pulse Width
t LO
t HI
100
100
ns
SYNC Input Threshold
SYNC Input Current
V IL
V IH
V SYNC = 0V or 3.6V
I IL
I IH
0.4
10
7
1.6
V
nA
μA
SYNCOUT
SYNCOUT Frequency Range
0.25
1.2
MHz
SYNCOUT Phase Shift from
SYNCIN or Internal Oscillator
Frequency = 1MHz
170
180
190
Degrees
SYNCOUT Output Voltage
I SYNCOUT = ± 1mA
V OH
V OL
V VL - 0.4
0.2
V
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
When LX stops switching
+165
20
° C
° C
POWER-GOOD
PWRGD Threshold Voltage
PWRGD Falling Edge Deglitch
V FB falling, 30mV hysteresis, V REFIN > 540mV
90
48
% of
REFIN
Clock
cycles
PWRGD Output Voltage Low
PWRGD Leakage Current
I PWRGD = 4mA
V PWRGD = 5.5V, V FB = 0.9V
0.03
0.01
0.06
1
V
μA
Note 2: All devices are production tested at T A = +25°C. Limits over the operating range are guaranteed by design.
4
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