参数资料
型号: MAX8555AEUB+T
厂商: Maxim Integrated
文件页数: 6/17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
Typical Operating Characteristics
(V DD = 12V, V CS+ = 1.5V, R TIMER = 25k ? , V UVP = 1V, V OVP = 0.4V, R FAULT = 50k ? to output bus, C VDD = C GATE = C VL = 0.01μF, T A =
+25 ° C, R1 = 2 ? in Figure 3, MAX8555A, unless otherwise noted.)
25
20
GATE-CHARGE CURRENT
vs. TIMER RESISTOR (V DD = 12V)
T A = +85°C
18
16
14
GATE-CHARGE CURRENT vs.
TIMER RESISTOR (V DD = V VL = 3V)
T A = +85°C
3.0
2.5
V DD CURRENT vs. TEMPERATURE
TIMER = OPEN
15
T A = +25°C
T A = -40°C
12
10
T A = +25°C
T A = -40°C
2.0
10
5
0
8
6
4
2
1.5
1.0
0.5
TIMER = GND
-5
10
100
TIMER RESISTOR (k ? )
1000
0
-2
10
100
TIMER RESISTOR (k ? )
1000
0
-40
-20
0 20 40
TEMPERATURE ( ° C)
V DD = 13.25V
60 80
30.0
28.0
26.0
24.0
22.0
REVERSE-CURRENT THRESHOLD vs.
TEMPERATURE
50.0
45.0
40.0
35.0
30.0
OVP AND UVP LEAKAGE CURRENT vs.
TEMPERATURE
20.0
18.0
16.0
14.0
12.0
10.0
25.0
20.0
15.0
10.0
5.0
0
OVP
UVP
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
TEMPERATURE ( ° C)
POWER-UP WAVEFORMS BUS
VOLTAGE HIGH IMPEDANCE
MAX8555/55A toc06
TEMPERATURE ( ° C)
POWER-UP WAVEFORMS
BUS VOLTAGE IS LIVE
MAX8555/55A toc07
V CS+
V GATE
V CS-
I MOSFET
1ms/div
1V/div
5V/div
1V/div
1A/div
V GATE
V CS+
V CS-
I MOSFET
2ms/div
5V/div
1V/div
1V/div
500mA/div
6
_______________________________________________________________________________________
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