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MAX1940 Datasheet(PDF) 5 Page - Maxim Integrated Products

Part # MAX1940
Description  Triple USB Switch with Autoreset and Fault Blanking
Download  13 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1940 Datasheet(HTML) 5 Page - Maxim Integrated Products

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Triple USB Switch with Autoreset and
Fault Blanking
_______________________________________________________________________________________
5
TEMPERATURE (
°C)
60
35
10
-15
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
100
-40
85
VIN_ = 5.5V
VIN_ = 5V
VIN_ = 4.5V
RPU = 4.7k
FAULT OUTPUT LOW VOLTAGE
vs. TEMPERATURE
AUTORESET CURRENT
vs. TEMPERATURE
TEMPERATURE (
°C)
60
35
10
-15
20
22
24
26
28
30
32
34
36
38
18
-40
85
VIN_ = 5.5V
VIN_ = 4.5V
VIN_ = 5V
AUTORESET CURRENT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
5.3
5.1
3.7 3.9 4.1
4.5 4.7
4.3
4.9
5
10
15
20
25
30
35
40
0
3.5
5.5
TA = -40
°C
TA = +25
°C
TA = +85
°C
OVERLOAD RESPONSE INTO 2.5
MAX1940 toc13
10ms/div
B
A
C
0
5V
0
D
0
A: VIN_ 5V/div
B: VOUT_ 5V/div
C: VFAULT_ 5V/div
D: IOUT_ 1A/div
OVERLOAD RESPONSE INTO 2.5
(EXPANDED TIME SCALE)
MAX1940 toc14
400
µs/div
B
A
C
0
5V
0
D
5V
A: VIN_ 5V/div
B: VOUT_ 5V/div
C: VFAULT_ 5V/div
D: IOUT_ 1A/div
SHORT-CIRCUIT RESPONSE INTO 0
MAX1940 toc15
10ms/div
B
A
C
5V
5V
0
D
5V
A: VIN_ 5V/div
B: VOUT_ 5V/div
C: VFAULT_ 5V/div
D: IOUT_ 1A/div
SHORT-CIRCUIT RESPONSE INTO 0
(EXPANDED TIME SCALE)
MAX1940 toc16
400
µs/div
B
A
C
0
5V
0
D
5V
A: VIN_ 5V/div
B: VOUT_ 5V/div
C: VFAULT_ 5V/div
D: IIN_ 2A/div
MAX1940 toc17
1ms/div
B
A
5V
5V
A: VON_ 5V/div
B: VOUT_ 2V/div
VSEL = 5V
ROUT_ = 10
COUT_ = 1
µF
SWITCH TURN-ON TIME (tON + tRISE)
MAX1940 toc18
1ms/div
B
A
5V
0
A: VON_ 5V/div
B: VOUT_ 2V/div
VSEL = 5V
ROUT_ = 10
COUT_ = 1
µF
SWITCH TURN-ON TIME (tON + tFALL)
Typical Operating Characteristics (continued)
(Circuit of Figure 2, VIN_ = 5V, CIN_ = 0.1µF, COUT_ = 1µF, ON_ = SEL, TA = +25°C, unless otherwise noted.)


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