参数资料
型号: MAX8555EUB+T
厂商: Maxim Integrated
文件页数: 5/17页
文件大小: 0K
描述: IC CNTRLR MOSFET ORING 10-UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 电信电源,整流器
FET 型: N 沟道
输出数: 1
内部开关:
延迟时间 - 关闭: 100ns
电源电压: 8 V ~ 13.25 V
电流 - 电源: 2mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-µMAX
包装: 带卷 (TR)
Low-Cost, High-Reliability, 0.5V to 3.3V ORing
MOSFET Controllers
ELECTRICAL CHARACTERISTICS (continued)
(V DD = 12V, V CS- = 1.4V, V CS+ = 1.5V, R TIMER = 25k ? , V UVP = 1V, V OVP = 0.25V, R FAULT = 50k ? , C VDD = C GATE = C VL = 0.01μF,
T A = -40°C to +85°C , unless otherwise noted.) (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TIMER
TIMER Voltage
1.22
1.28
V
TIMER Maximum Source Current
TIMER High Input Current
TIMER Maximum Frequency
Select Voltage Input Range
V TIMER = 1.0V
V TIMER = 1.5V
(Note 1)
85
1.5
115
15
V VL
μA
μA
V
TIMER Logic High, V IH
TIMER Logic Low, V IL
Charge pump enabled
Charge pump disabled
1.1
0.5
V
V
FAULT
Fault Output Low Voltage
Fault Sink Current
I FAULT = 10mA
V FAULT = 0.4V
15
0.2
V
mA
GATE
Gate-On Threshold
Gate-Drive Current
Gate Shutdown Delay
Measured from CS- to CS+
V GATE = V CS+ = 2.5V
MAX8555
MAX8555A
R TIMER = open
R TIMER = 25k ?
V TIMER falling
I REV fault
80
35
17
8
120
65
33
16
200
150
mV
μA
ns
CURRENT SENSE
Reverse-Current Threshold
Forward-Current Threshold
Measured from CS- to CS+
Measured from CS+ to CS-
MAX8555
MAX8555A
34
16
6
46
24
14
mV
mV
OVERVOLTAGE PROTECTION
OVP Fault Threshold, V OVP
OVP rising
0.49
0.51
V
UNDERVOLTAGE PROTECTION
UVP Fault Threshold, V UVP
UVP rising
0.488
0.512
V
Note 1: Guaranteed by design. Not production tested.
Note 2: Gate shutdown delay is measured from reverse-current fault to the start of gate-voltage falling or from TIMER to the start of
gate-voltage falling.
Note 3: Specifications to -40 ° C are guaranteed by design and not production tested.
_______________________________________________________________________________________
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