MAX1940EEE Maxim Integrated, MAX1940EEE Datasheet - Page 5

• Manufacturer Part Number: MAX1940EEE
• Description: Power Switch ICs - USB Triple USB Switch w/Autoreset
• Manufacturer: Maxim Integrated

Specifications of MAX1940EEE

• Supply Voltage - Min: 4 V
• Supply Voltage - Max: 5.5 V
• Number Of Switches: Triple
• Supply Current: 0.9 A

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