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參數(shù)資料
| 型號： | MAX1940 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Triple USB Switch with Autoreset and Fault Blanking |
| 中文描述： | 三路USB開關(guān)，帶有自動復(fù)位和故障屏蔽 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 326K |
| 代理商： | MAX1940 |
M
Triple USB Switch with Autoreset and
Fault Blanking
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN_, ON_, OUT_, SEL,
FAULT_
, to GND...................-0.3V to +6V
IN1, IN2 to OUTA......................................................-0.3V to +6V
IN2, IN3 to OUTB......................................................-0.3V to +6V
IN4, IN5 to OUTC .....................................................-0.3V to +6V
OUT_ Continuous Switch Current
(per channel, internally limited).........................................1.4A
FAULT_
DC Current............................................................20mA
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.
Continuous Power Dissipation (T
A
= +70
°
C)
16-Pin QSOP (derate 8.3mW/
°
C above +70
°
C)...........667mW
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
ELECTRICAL CHARACTERISTICS
(V
IN_
= 5V, C
IN_
= 0.1μF, C
OUT_
= 1μF,
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYM B O L
V
IN_
R
ON
CONDITIONS
MIN
4.0
TYP
MAX
5.5
135
10
75
90
100
UNITS
V
m
μA
Supply Voltage Range
Switch On-Resistance
Standby Supply Current
T
A
= 0
°
C to +85
°
C, each switch
All switches disabled
One switch enabled, I
OUT_
= 0
Two switches enabled, I
OUT_
= 0
All switches enabled, I
OUT_
= 0
All switches disabled, V
OUT_
= 0,
T
A
= 0
°
C to +85
°
C
Rising edge, 3% hysteresis
85
3
47
55
63
Quiescent Supply Current
I
IN_
μA
OUT_ Off-Leakage Current
I
LKG
0.02
10
μA
Undervoltage Lockout Threshold
Continuous Load Current
Continuous Current Limit
V
ULVO
3.0
500
0.7
0.9
3.4
3.8
V
mA
A
A
PK
A
RMS
V
I
LIM
V
IN_
- V
OUT_
= 0.5V
0.9
1.2
0.35
1
1.2
1.6
Short-Circuit Current Limit
I
SC
V
OUT_
= 0 (I
OUT_
pulsing)
Short-Circuit Detect Threshold
(Note 1)
Continuous Current-Limit
Blanking Timeout Period
From continuous current-limit condition to
FAULT_
asserted
10
20
35
ms
Short-Circuit Blanking Timeout
Period
From short-circuit current-limit condition to
FAULT_
asserted
7.5
18
35.0
ms
Turn-On Delay
t
ON
R
OUT_
= 10
, does not include rise time
(from ON_ to 10% of V
OUT_
)
R
OUT_
= 10
, from 10% to 90% of V
OUT_
R
OUT_
= 10
, does not include fall time
(from ON_ to 90% of V
OUT_
)
R
OUT_
= 10
, from 90% to 10% of V
OUT_
15
°
C hysteresis
V
IN_
= 4V to 5.5V
V
IN_
= 4V to 5.5V
V
ON_
= 0 or V
IN_
0.5
1.2
4.0
ms
Output Rise Time
t
RISE
2.5
ms
Turn-Off Delay
t
OFF
0.8
3
ms
Output Fall Time
Thermal-Shutdown Threshold
ON_, SEL Input High Level
ON_, SEL Input Low Level
ON_, SEL Input Leakage Current
t
FALL
2.5
160
ms
°
C
V
V
μA
V
IH
V
IL
2
0.8
+1
-1
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|---|---|
| MAX1940EEE | 功能描述:電源開關(guān) IC - USB Triple USB Switch w/Autoreset 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 |
| MAX1940EEE+ | 功能描述:電源開關(guān) IC - USB Triple USB Switch w/Autoreset 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 |
| MAX1940EEE+T | 功能描述:電源開關(guān) IC - USB Triple USB Switch w/Autoreset 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 |
| MAX1940EEE-T | 功能描述:電源開關(guān) IC - USB Triple USB Switch w/Autoreset 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 |
| MAX1945EVKIT | 制造商:Maxim Integrated Products 功能描述:1MHZ, 1% ACCURATE, 6A INTERNAL SWITCH STEP-DO - Bulk |
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