參數(shù)資料
型號: MAX1812
廠商: Maxim Integrated Products, Inc.
英文描述: Dual USB Switch with Fault Blanking
中文描述: 雙路、USB開關(guān),帶有故障屏蔽
文件頁數(shù): 7/10頁
文件大小: 296K
代理商: MAX1812
FAULT_
goes low when any of the following conditions
occur:
The input voltage is below the undervoltage-lockout
(UVLO) threshold.
The switch junction temperature exceeds the thermal
shutdown temperature limit of +160
°
C.
The switch is in current limit or short-circuit limit
mode and the fault-blanking period is exceeded.
The fault indicators have a latching delay to prevent
short
FAULT_
pulses. After the fault-condition is
removed, the
FAULT_
output will deassert after a 20ms
delay. Ensure that the MAX1812 has adequate input
bypass capacitance to prevent glitches from triggering
FAULT_
outputs. Input glitches greater than 0.2V/μS
may cause spurious
FAULT_
transitions.
M
Dual USB Switch with Fault Blanking
_______________________________________________________________________________________
7
ONA
MAX1812
4-MOS
Q-PMP
ONB
4-MOS
Q-PMP
OSC
25kHz
BIAS
UVLO
REF
GND
0.1
μ
F
4.0V TO 5.5V
IN_
TIMER
20ms
THERMAL
SHUTDOWN
FAULT
LOGIC
ILIM
1
μ
F
OUTA
FAULTB
FAULTA
ILIM
1
μ
F
OUTB
IN_
IN_
Figure 1. Functional Diagram
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MAX1812EUB 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blanking RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube
MAX1812EUB+ 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blanking RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube
MAX1812EUB+T 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blanking RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube
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