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Maxim > 方案 > 计算机:笔记本电脑

端口保护

数据资料
显示 标题/型号 关键优势
QV  PDF 信号线过压保护器,用于低压设备
MAX9940

保护采用高灵敏度通信协议的低压设备
QV  PDF 具有电池切换功能的高压OVP
MAX4959, MAX4960

具有电池切换功能的高压OVP,提供过压、欠压锁存
QV  PDF 100mA/200mA/300mA限流开关,具有较低的关断反向电流
MAX4914B, MAX4915A, MAX4915B, MAX4917A, MAX4917B

具有自动重试功能的200mA限流开关,2mm x 2mm µDFN封装
QV    0.075A至1.5A、可编程限流开关
MAX4766

0.075A至1.5A可调节限流开关,精度可达±10%
QV  PDF 450mA/500mA限流开关
MAX4795, MAX4796, MAX4797, MAX4798

具有自动重试功能的500mA限流开关,SOT23封装



Key Specifications:  Current Limit Switches
Part Number Current Limit
(mA)
Functions ILOAD
(A)
RON
(Ω)
VIN
(V)
Fault Indicator Fault Blanking Timeout
(ms)
RoHS Available Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
max typ max w/pins
MAX4914B  100
Fault Blanking
Latch-Off
0.1 0.2 2.3 to 5.5 Yes 14 Yes
µDFN/6
4.2 -40 to +85
MAX4917A  300
Auto Retry
Fault Blanking
0.3 2.3 to 5.5
µDFN/6
SOT/5
9
MAX4917B  300
Fault Blanking
Latch-Off
0.3 2.3 to 5.5
µDFN/6
SOT/5
4.2
MAX4915A  200
Auto Retry
Fault Blanking
0.2 2.3 to 5.5
µDFN/6
SOT/5
9
MAX4915B  200
Fault Blanking
Latch-Off
0.2 2.3 to 5.5
µDFN/6
4.2
MAX4795  450 - 0.45 2.0 to 4.5
SOT/5
TDFN-EP/6
9
MAX4796  450 Auto Retry 0.45 2.0 to 4.5
SOT/5
TDFN-EP/6
9
MAX4797  500 - 0.5 2.0 to 4.5
SOT/5
TDFN-EP/6
9
MAX4798  500 Auto Retry 0.5 2.0 to 4.5
SOT/5
TDFN-EP/6
9
See All Current Limit Switches (27)

Key Specifications:  Signal-Line Protectors
Part Number Functions Signal Path Leakage
(±nA)
Analog Signal Range
(V)
Features VSUPPLY
(V)
VSUPPLY (Dual)
(±V)
RON
(Ω)
Fault Protect.
(±V)
RoHS Available Package/Pins Smallest Available Pckg.
(mm2)
max Dual max max w/pins
MAX9940  1-Line 5000 0 to +5.5 Automatic Protection 2.2 to 5.5 1.1 to 2.25 77.5 28 Yes
SC70/5
5.3
See All Signal-Line Protectors (6)



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