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参数资料
| 型号： | MAX1838 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual USB Switch with Fault Blanking and Autoreset |
| 中文描述： | 双路USB开关，带有故障屏蔽及自复位功能 |
| 文件页数： | 4/12页 |
| 文件大小： | 639K |
| 代理商： | MAX1838 |
M
Dual USB Switch with Fault Blanking
and Autoreset
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
IN__
= V
AUX__
= V
ON
= 5V, SEL = GND, ADJ_ = open,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted. Circuit of Figure 1.) (Note 2)
PARAMETER
SYM BO L
CONDITIONS
MIN
0.6
0.6
MAX
1.2
1.2
UNITS
V
IN
_
–
V
OUT
_ = 0.5V, SEL = AUX_
V
AUX
_
–
V
OUT
_ = 0.5V, SEL = GND
Current-Limit Threshold
I
LIM
A
SEL = GND, V
OUT
_ = 0 (I
OUT
_ pulsing)
0.6
1.8
Short-Circuit Current Limit
I
SHORT
SEL = AUX_, V
OUT
_ = 0
From continuous current-limit condition to
FAULT_
assertion
0.6
1.8
A
PEAK
Continuous Current-Limit
Blanking Timeout Period
9
40
ms
Short-Circuit Blanking Timeout
Period
From short-circuit current-limit condition to
FAULT_
assertion
7
40
ms
Turn-On Delay
R
OUT
_ = 10
, does not include rise time
(from
ON
asserted to V
OUT
_ = 10% of
V
IN
_), C
OUT
_ = 1μF
0.5
4
ms
Turn-Off Delay from ON
R
OUT
_ = 10
, does not include fall time
(from
ON
asserted to V
OUT
_ = 90% of
V
IN
_), C
OUT
_ = 1μF
3
ms
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
FAULT_
Output Low Voltage
V
IN
_ = 4V to 5.5V
V
IN
_ = 4V to 5.5V
V
ON
= 0 or 5.5V
V
IN
_ = 4V, sinking 1mA
2
V
V
0.8
1
0.4
-1
μA
V
FAULT_
Output High Leakage
Current
V
IN
_ = V
FAULT_
= 5.5V
1
μA
Autoreset Current
Autoreset Threshold
Autoreset Blanking Time
In latched-off state, V
OUT
_ = 0
In latched-off state, V
OUT
_ rising
In latched-off state, V
OUT
_ > 1 V
10
0.4
9
55
0.6
40
mA
V
ms
AUX_ to IN_ or IN_ to AUX_
Select Delay
Note 1:
SEL delay includes both make and break delay. The host system should wait for at least this interval before turning off the
appropriate input supply.
Note 2:
Specifications from 0
°
C to -40
°
C are guaranteed by design, not production tested.
Make-before-break (Note 1)
4.5
18
ms
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相关代理商/技术参数 |
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|---|---|
| MAX1838EEE | 功能描述:电源开关 IC - USB Dual USB Switch w/Fault Blank 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 |
| MAX1838EEE+ | 功能描述:电源开关 IC - USB Dual USB Switch w/Fault Blank 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 |
| MAX1838EEE+T | 功能描述:电源开关 IC - USB Dual USB Switch w/Fault Blank 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 |
| MAX1838EEE-T | 功能描述:电源开关 IC - USB Dual USB Switch w/Fault Blank 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 |
| MAX1839EEP | 功能描述:显示驱动器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
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