参数资料
型号: MAX1922ESA
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 电源管理
英文描述: 1A Current-Limited Switch for 2 USB Ports
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封装: 0.150 INCH, SOIC-8
文件页数: 4/8页
文件大小: 711K
代理商: MAX1922ESA
M
1A Current-Limited Switch for 2 USB Ports
4
_______________________________________________________________________________________
Typical Operating Characteristics
(Circuit of Figure 2, V
IN
= 5V, T
A
= +25°C, unless otherwise noted.)
0
6
4
2
8
10
12
14
16
18
20
0 0.5
2.0 2.5
INPUT VOLTAGE (V)
1.0 1.5
3.0 3.5 4.0 4.5 5.0 5.5
QUIESCENT CURRENT vs. INPUT VOLTAGE
M
Q
μ
A
I
OUT
= 0
V
EN
= 0
14.5
14.0
15.5
15.0
16.5
16.0
17.5
17.0
18.0
-40
-15
10
35
60
85
QUIESCENT CURRENT vs. TEMPERATURE
M
TEMPERATURE (
°
C)
Q
μ
A
V
IN
= 5V
V
IN
= 3V
I
OUT
= 0
100
0.01
OFF SUPPLY CURRENT
vs. TEMPERATURE
0.1
1
10
M
TEMPERATURE (
°
C)
O
-40
-15
10
35
60
85
EN = IN
OUT = OPEN
0
40
20
80
60
140
120
100
160
-40
-15
10
35
60
85
TURN-ON TIME vs. TEMPERATURE
M
TEMPERATURE (
°
C)
T
μ
s
I
OUT
= 850mA
C
OUT
= 0.1
μ
F
V
IN
= 3V
V
IN
= 5V
4.0
5.5
6.0
5.0
4.5
7.5
7.0
6.5
8.5
8.0
9.0
-40
10
-15
35
60
85
TURN-OFF TIME vs. TEMPERATURE
M
TEMPERATURE (
°
C)
T
μ
s
I
OUT
= 850mA
C
OUT
= 0.1
μ
F
V
IN
= 3V
V
IN
= 5V
5
7
6
12
8
9
10
11
14
13
15
-40
-15
10
35
60
85
OC BLANKING TIMEOUT
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
O
I
OUT
= 1.75A
V
IN
= 3V OR 5V
100
1000
0.01
OFF SWITCH CURRENT
vs. TEMPERATURE
0.1
1
10
M
TEMPERATURE (
°
C)
O
-40
-15
10
35
60
85
EN = IN
V
OUT
= 0
-40
-15
35
85
NORMALIZED ON-RESISTANCE
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
N
O
10
60
0.4
0.7
0.6
0.5
0.9
0.8
1.3
1.2
1.1
1.0
1.4
I
OUT
= 850mA
0
0.4
0.2
0.8
0.6
1.0
1.2
0
0.5
2.0 2.5 3.0 3.5
OUTPUT VOLTAGE (V)
1.0 1.5
4.0 4.5 5.0
NORMALIZED OUTPUT CURRENT
vs. OUTPUT VOLTAGE
M
N
SHORT-CIRCUIT CURRENT
I
LIMIT
(1.75A)
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