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參數(shù)資料
| 型號(hào)： | MAX1838 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual USB Switch with Fault Blanking and Autoreset |
| 中文描述： | 雙路USB開關(guān)，帶有故障屏蔽及自復(fù)位功能 |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大?。?/td> | 639K |
| 代理商： | MAX1838 |
M
Dual USB Switch with Fault Blanking
and Autoreset
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN_, AUX_,
ON
, OUT_, SEL,
FAULT_
,
ADJ_ to GND.........................................................-0.3V to +6V
IN_, AUX_ to OUTA_; IN_, AUX_ to OUTB_.................-6V to +6V
AUX_ to IN_.................................................................-6V to +6V
Maximum Continuous Switch Current
(per channel, internally limited).............................................1.2A
FAULT_
Current ..................................................................20mA
Continuous Power Dissipation (T
A
= +70
°
C)
16-Pin QSOP (derate 8.3mW/
°
C above +70
°
C)..........667mW
ELECTRICAL CHARACTERISTICS
(V
IN__
= V
AUX__
= 5V,
ON
= SEL = GND, ADJ_ = open,
T
A
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
=
+25
°
C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
PARAMETER
SYMBOL
V
IN_
V
AUX_
CONDITIONS
MIN
4.0
4.0
TYP
MAX
5.5
5.5
170
UNITS
Supply Voltage Range
V
V
IN
_ = 5V, each switch
V
IN
_ = 4V, each switch
V
ON
= V
AUX
_
V
ON
= V
IN
_
V
ON
= 0, I
OUT
_ = 0
V
ON
= 0, I
OUT
_ = 0, SEL = AUX_
V
ON
= V
IN
_, V
OUTA
_ = V
OUTB
_ = 0
V
OUT
= 5.5V, V
IN
_ = V
AUX
_ = 0
V
IN
_ or V
AUX
_ rising edge, 3% hysteresis
95
100
7
1
66
23
0.02
0.02
3.5
Switch On-Resistance
R
ON
m
AUX_ Standby Supply Current
IN_ Standby Supply Current
AUX_ Quiescent Supply Current
IN_ Quiescent Supply Current
OUT_ Off-Leakage Current
Reverse Leakage Current
Undervoltage Lockout Threshold
Continuous Load Current
16
3
350
300
10
10
3.8
μA
μA
μA
μA
μA
μA
V
mA
V
UVLO
3.0
500
0.6
0.6
0.09
V
IN
_ - V
OUT
_ = 0.5V, SEL = AUX_
V
AUX
_ - V
OUT
_ = 0.5V, SEL = GND
R
ADJ
_ = 67k
0.9
0.9
0.225
1.2
1.2
0.36
Current-Limit Threshold
I
LIM
A
0.3
0.48
A
PEAK
SEL = GND,
V
OUT
_ = 0
(I
OUT
_ pulsing)
R
ADJ
_ = 67k
0.09
A
RMS
0.6
1.2
0.35
1.8
A
PEAK
A
RMS
Short-Circuit Current Limit
I
SHORT
SEL = AUX_, V
OUT
_ = 0
Continuous Current-Limit
Blanking Timeout Period
From continuous current-limit condition to
FAULT_
assertion
10
20
35
ms
Short-Circuit Blanking Timeout
Period
From short-circuit current-limit condition to
FAULT_
assertion
7.5
18
35
ms
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| MAX1838EEE | 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blank 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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| MAX1838EEE-T | 功能描述:電源開關(guān) IC - USB Dual USB Switch w/Fault Blank 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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