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参数资料
| 型号： | MAX1940EEE |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | Triple USB Switch with Autoreset and Fault Blanking |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封装： | QSOP-16 |
| 文件页数： | 3/12页 |
| 文件大小： | 326K |
| 代理商： | MAX1940EEE |
M
Triple USB Switch with Autoreset and
Fault Blanking
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(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
OL
CONDITIONS
MIN
TYP
MAX
0.4
UNITS
V
FAULT_
Output Low Voltage
FAULT_
Output High Leakage
Current
OUT_ Autoreset Current
OUT_ Autoreset Threshold
OUT_ Autoreset Blanking Time
I
SINK
= 1mA, V
IN_
= 4V
V
IN_
= V
FAULT_
= 5.5V
1
μA
In latched off state, V
OUT_
= 0
In latched off state, OUT_ rising
In latched off state, V
OUT_
> 0.5V
10
0.4
10
25
0.5
20
45
0.6
35
mA
V
ms
ELECTRICAL CHARACTERISTICS
(V
IN_
= 5V, C
IN_
= 0.1μF, C
OUT_
= 1μF,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 2)
PARAMETER
SYM B O L
V
IN_
R
ON
CONDITIONS
MIN
4.0
MAX
5.5
135
10
75
90
100
10
3.8
UNITS
V
m
μA
Supply Voltage Range
Switch On-Resistance
Standby Supply Current
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
Rising edge, 3% hysteresis
Quiescent Supply Current
I
IN_
μA
OUT_ Off-Leakage Current
Undervoltage Lockout Threshold
Continuous Load Current
Continuous Current Limit
Short-Circuit Current Limit
I
LKG
V
ULVO
μA
V
mA
A
A
PK
3.0
500
0.7
0.9
I
LIM
I
SC
V
IN_
- V
OUT_
= 0.5V
V
OUT_
= 0 (I
OUT_
pulsing)
From continuous current-limit condition to
FAULT_
asserted
1.2
1.6
Continuous Current-Limit
Blanking Timeout Period
10
35
ms
Short-Circuit Blanking Timeout
Period
From short-circuit current-limit condition to
FAULT_
asserted
7.5
35.0
ms
Turn-On Delay
t
ON
R
OUT_
= 10
, does not include rise time
(from ON_ to 10% of V
OUT_
)
0.5
4.0
ms
Turn-Off Delay
t
OFF
R
OUT_
= 10
, does not include fall time
(from ON_ to 90% of V
OUT_
)
V
IN_
= 4V to 5.5V
V
IN_
= 4V to 5.5V
V
ON_
= 0 or V
IN_
I
SINK
= 1mA, V
IN_
= 4V
3
ms
ON_, SEL Input High Level
ON_, SEL Input Low Level
ON_, SEL Input Leakage Current
FAULT_
Output Low Voltage
V
IH
V
IL
2
V
V
μA
V
0.8
+1
0.4
-1
V
OL
FAULT_
Output High Leakage
Current
V
IN_
= V
FAULT_
= 5.5V
1
μA
OUT_ Autoreset Current
OUT_ Autoreset Threshold
OUT_ Autoreset Blanking Time
In latched off state, V
OUT_
= 0
In latched off state, OUT_ rising
In latched off state, V
OUT_
> 0.5V
10
0.4
10
50
0.6
35
mA
V
ms
Note 1:
Short-circuit detect threshold is the output voltage at which the device transitions from short-circuit current limit to
continuous current limit.
Note 2:
Specifications to -40
°
C are guaranteed by design, not production tested.
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| MAX1940EEE+ | 功能描述:电源开关 IC - USB Triple USB Switch w/Autoreset RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
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