参数资料
型号: MAX1931EUB+
厂商: Maxim Integrated Products
文件页数: 5/8页
文件大小: 0K
描述: IC SW CUR LIMIT USB 10-UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
应用: USB,外设
电流 - 电源: 14µA
电源电压: 2.7 V ~ 5.5 V
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: 管件
产品目录页面: 1410 (CN2011-ZH PDF)
Current-Limited Switch for Single USB Port
Typical Operating Characteristics (continued)
(V IN = 5V, T A = +25 ° C, unless otherwise noted.)
FAULT-BLANKING TIMEOUT
12
10
8
6
4
vs. TEMPERATURE
1
2
3
CURRENT-LIMIT AND FAULT RESPONSE
1
2
3
CURRENT-LIMIT RESPONSE
2
I OUT = 850mA
V IN = 3V OR 5V
4
4
0
-40
-20
0
20
40
60
80
100
2ms/div
10 μ s/div
TEMPERATURE ( ° C)
SWITCH TURN-ON TIME
CH1 = V IN , 200mV/div, AC-COUPLED; CH2 = V OUT ,
5V/div; CH3 = V FAULT , 5V/div; CH4 = I OUT , 500mA/div
SWITCH TURN-OFF TIME
CH1 = V IN , 200mV/div, AC-COUPLED; CH2 = V OUT ,
5V/div; CH3 = V FAULT , 5V/div; CH4 = I OUT , 1A/div
STARTUP TIME
(TYPICAL USB APPLICATION)
1
2
1
2
1
2
C L = 150 μ F
R L = 15 ?
FULL CURRENT LIMIT CHARGES CAPACITOR
RESISTOR
3
3
LOAD
4
4
3
4
FOLDBACK
CURRENT LIMIT
CURRENT
20 μ s/div
CH1 = V OUT , 5V/div; CH2 = V ON , 5V/div;
CH3 = V FAULT , 5V/div; CH4 = I OUT , 200mA/div
1 μ s/div
CH1 = V OUT , 5V/div; CH2 = V ON , 5V/div;
CH3 = V FAULT , 5V/div; CH4 = I OUT , 200mA/div
1ms/div
CH1 = V OUT , 5V/div; CH2 = V ON , 5V/div;
CH3 = I OUT , 500mA/div; CH4 = V FAULT , 5V/div
_______________________________________________________________________________________
5
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