参数资料
型号: MAX8555AEUB+T
厂商: Maxim Integrated
文件页数: 3/17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 = 0°C to +85°C , unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TIMER
TIMER Voltage
1.22
1.25
1.28
V
TIMER Maximum Source Current
V TIMER = 1.0V
85
100
115
μA
TIMER High Input Current
TIMER Maximum Frequency
Select Voltage Input Range
V TIMER = 1.5V
(Note 1)
1.5
10
15
V VL
μA
V
TIMER Logic High, V IH
TIMER Logic Low, V IL
Charge pump enabled
Charge pump disabled
1.0
0.5
V
V
FAULT
Fault Output Low Voltage
Fault Sink Current
Fault Leakage Current
I FAULT = 10mA
V FAULT = 0.4V
V FAULT = 5.5V, T A = +25°C
15
0.2
1
V
mA
μA
GATE
Gate-On Threshold
Gate-Drive Current
Measured from CS- to CS+
V GATE = V CS+ = 2.5V
V GATE = V CS+ = 2.5V,
V DD = V VL = 3V
MAX8555
MAX8555A
R TIMER = open
R TIMER = 25k ?
R TIMER = open
R TIMER = 25k ?
80
35
17
8
100
50
25
12
15
7.5
120
65
33
16
mV
μA
V GATE = V CS+ = 2.5V,
V DD = V VL = 5V
R TIMER = open
R TIMER = 25k ?
30
15
Gate Shutdown Delay
(Note 2)
V TIMER falling
I REV fault
100
60
200
150
ns
Gate Discharge Current
GATE Fall Time
V GATE = V CS+ = +5V
Gate voltage fall from FAULT to V GATE = V CS+ ,
R1 = 2 ? , Figure 3 or Figure 4
1000
0.2
mA
μs
CURRENT SENSE
Reverse-Current Threshold
Measured from CS- to CS+
MAX8555
MAX8555A
34
16
40
20
46
24
mV
Startup I REV Blank Time
TIMER = unconnected
4.1
ms
Forward-Current Threshold
Measured from CS+ to CS-
6
10
14
mV
_______________________________________________________________________________________
3
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