Expand menu
Hello, Sign in
My Account
0
Cart
Home
Products
Sensors
Semiconductors
Passive Components
Connectors
Power
Electromechanical
Optoelectronics
Circuit Protection
Integrated Circuits - ICs
Main Products
Manufacturers
Blog
Services
About OMO
About Us
Contact Us
Check Stock
MAX1940EEE+T
P1-P3
P4-P6
P7-P9
P10-P12
P13-P13
MAX1940
T
riple USB Switch with Autor
eset and
Fault Blanking
4
_______________________________________________________________________________________
T
ypical Operating Characteristics
(Circuit of Figure 2, V
IN_
= 5V, C
IN_
= 0.1µF, C
OUT_
= 1µF, ON_ = SEL, T
A
= +25°C, unless otherwise noted.)
QUIESCENT SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX1940 toc01
INPUT VOLTAGE (V)
QUIESCENT SUPPLY CURRENT (
µ
A)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
20
30
40
50
60
70
0
05
.
5
ALL SWITCHES ACTIVE
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE
MAX1940 toc02
TEMPERATURE (
°
C)
QUIESCENT SUPPLY CURRENT (
µ
A)
60
35
10
-15
61
62
63
64
65
66
67
68
69
70
60
-40
85
ALL SWITCHES ACTIVE
V
IN_
= 5.5V
V
IN_
= 5V
V
IN_
= 4.5V
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX1940 toc03
TEMPERATURE (
°
C)
SHUTDOWN SUPPLY CURRENT (
µ
A)
60
35
10
-15
2.6
2.7
2.8
2.9
3.0
2.5
-40
85
ON_ = GND, V
SEL
= 5V
SWITCH OFF-LEAKAGE (ONE SWITCH)
vs. TEMPERATURE
MAX1940 toc04
TEMPERATURE (
°
C)
SWITCH OFF-LEAKAGE (nA)
60
35
10
-15
0.1
1
10
100
1000
0.01
-40
85
ON_ = OUT_, V
SEL
= 5V
NORMALIZED ON-RESISTANCE
vs. TEMPERATURE
MAX1940 toc05
TEMPERATURE (
°
C)
NORMALIZED ON-RESISTANCE
60
35
10
-15
0.8
0.9
1.0
1.1
1.2
1.3
0.7
-40
85
CONTINUOUS CURRENT-LIMIT THRESHOLD
vs. TEMPERATURE
MAX1940 toc06
TEMPERATURE (
°
C)
CONTINUOUS CURRENT-LIMIT THRESHOLD (mA)
60
35
10
-15
904
908
912
916
920
900
-40
85
V
IN_
= 5.0V
V
IN_
= 5.5V
V
IN_
= 4.5V
TURN-ON TIME (t
ON
+ t
RISE
)
vs. TEMPERATURE
MAX1940 toc07
TEMPERATURE (
°
C)
TURN-ON TIME (ms)
60
35
10
-15
3.1
3.2
3.3
3.4
3.5
3.0
-40
85
V
IN_
= 5V
V
IN_
= 4.5V
V
IN_
= 5.5V
R
OUT_
= 10
Ω
MAX1940 toc08
TEMPERATURE (
°
C)
TURN-OFF TIME (ms)
60
35
10
-15
2.7
2.8
2.9
3.0
3.1
3.2
3.3
2.6
-40
85
V
IN_
= 5V
V
IN_
= 5.5V
V
IN_
= 4.5V
R
OUT_
= 10
Ω
TURN-OFF TIME (t
OFF
+ t
FALL
)
vs. TEMPERATURE
FAULT-BLANKING TIME
vs. TEMPERATURE
MAX1940 toc09
TEMPERATURE (
°
C)
FAULT-BLANKING TIME (ms)
60
35
10
-15
19.5
20.0
20.5
21.0
21.5
22.0
19.0
-40
85
V
IN_
= 5.5V
V
IN_
= 5V
V
IN_
= 4.5V
MAX1940
T
riple USB Switch with Autor
eset and
Fault Blanking
_______________________________________________________________________________________
5
MAX1940 toc10
TEMPERATURE (
°
C)
FAULT OUTPUT LOW VOLTAGE (mV)
60
35
10
-15
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
100
-40
85
V
IN_
= 5.5V
V
IN_
= 5V
V
IN_
= 4.5V
R
PU
= 4.7k
Ω
FAULT OUTPUT LOW VOLTAGE
vs. TEMPERATURE
AUTORESET CURRENT
vs. TEMPERATURE
MAX1940 toc11
TEMPERATURE (
°
C)
AUTORESET CURRENT (mA)
60
35
10
-15
20
22
24
26
28
30
32
34
36
38
18
-40
85
V
IN_
= 5.5V
V
IN_
= 4.5V
V
IN_
= 5V
AUTORESET CURRENT
vs. INPUT VOLTAGE
MAX1940 toc12
INPUT VOLTAGE (V)
AUTORESET CURRENT (mA)
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
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +85
°
C
OVERLOAD RESPONSE INTO 2.5
Ω
MAX1940 toc13
10ms/div
B
A
C
0
5V
0
D
0
A: V
IN_
5V/div
B: V
OUT_
5V/div
C: V
FAULT_
5V/div
D: I
OUT_
1A/div
OVERLOAD RESPONSE INTO 2.5
Ω
(EXPANDED TIME SCALE)
MAX1940 toc14
400
µ
s/div
B
A
C
0
5V
0
D
5V
A: V
IN_
5V/div
B: V
OUT_
5V/div
C: V
FAULT_
5V/div
D: I
OUT_
1A/div
SHORT-CIRCUIT RESPONSE INTO 0
Ω
MAX1940 toc15
10ms/div
B
A
C
5V
5V
0
D
5V
A: V
IN_
5V/div
B: V
OUT_
5V/div
C: V
FAULT_
5V/div
D: I
OUT_
1A/div
SHORT-CIRCUIT RESPONSE INTO 0
Ω
(EXPANDED TIME SCALE)
MAX1940 toc16
400
µ
s/div
B
A
C
0
5V
0
D
5V
A: V
IN_
5V/div
B: V
OUT_
5V/div
C: V
FAULT_
5V/div
D: I
IN_
2A/div
MAX1940 toc17
1ms/div
B
A
5V
5V
A: V
ON_
5V/div
B: V
OUT_
2V/div
V
SEL
= 5V
R
OUT_
= 10
Ω
C
OUT_
= 1
µ
F
SWITCH TURN-ON TIME (t
ON
+ t
RISE
)
MAX1940 toc18
1ms/div
B
A
5V
0
A: V
ON_
5V/div
B: V
OUT_
2V/div
V
SEL
= 5V
R
OUT_
= 10
Ω
C
OUT_
= 1
µ
F
SWITCH TURN-ON TIME (t
ON
+ t
FALL
)
T
ypical Operating Characteristics (continued)
(Circuit of Figure 2, V
IN_
= 5V, C
IN_
= 0.1µF, C
OUT_
= 1µF, ON_ = SEL, T
A
= +25°C, unless otherwise noted.)
MAX1940
T
riple USB Switch with Autor
eset and
Fault Blanking
6
_______________________________________________________________________________________
STARTUP TIME
C
OUT
= 1
µ
F
MAX1940 toc19
400
µ
s/div
B
A
C
5V
5V
500mA
D
5V
A: V
ON_
5V/div
B: V
FAULT_
5V/div
C: V
OUT_
5V/div
D: I
OUT_
500mA/div
V
SEL
= 5V, R
OUT_
= 10
Ω,
C
OUT_
= 1
µ
F
MAX1940 toc20
1ms/div
B
A
C
5V
5V
500mA
D
0
A: V
ON_
5V/div
B: V
FAULT_
5V/div
C: V
OUT_
5V/div
D: I
OUT_
500mA/div
V
SEL
= 5V, R
OUT_
= 10
Ω,
C
OUT_
= 330
µ
F
STARTUP TIME
C
OUT
= 330
µ
F
MAX1940 toc21
1ms/div
B
A
C
5V
5V
500mA
D
5V
A: V
ON_
5V/div
B: V
FAULT_
5V/div
C: V
OUT_
2V/div
D: I
OUT_
500mA/div
V
SEL
= 5V, R
OUT_
= 10
Ω,
C
OUT_
= 100
µ
F
STARTUP TIME
C
OUT
= 100
µ
F
UNDERVOLTAGE LOCKOUT RESPONSE
MAX1940 toc22
10ms/div
B
A
C
0
0
0
A: V
IN_
5V/div
B: V
OUT_
5V/div
C: V
FAULT_
5V/div
R
OUT_
= 10
Ω,
C
OUT_
= 1
µ
F
T
ypical Operating Characteristics (continued)
(Circuit of Figure 2, V
IN_
= 5V, C
IN_
= 0.1µF, C
OUT_
= 1µF, ON_ = SEL, T
A
= +25°C, unless otherwise noted.)
P1-P3
P4-P6
P7-P9
P10-P12
P13-P13
MAX1940EEE+T
Mfr. #:
Buy MAX1940EEE+T
Manufacturer:
Maxim Integrated
Description:
USB Switch ICs Triple USB Switch w/Autoreset
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
Paypal
Visa
MoneyGram
Western
Union
Products related to this Datasheet
MAX1940EEE+
MAX1940EEE+T
