MAX1940EEE Maxim Integrated, MAX1940EEE Datasheet - Page 6

• 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

Triple USB Switch with Autoreset and
Fault Blanking
6
(Circuit of Figure 2, V
_______________________________________________________________________________________
IN_
C
D
C
D
A
B
A
B
= 5V, C
A: V
B: V
A: V
B: V
V
V
SEL
SEL
ON_
FAULT_
ON_
FAULT_
= 5V, R
= 5V, R
5V/div
5V/div
IN_
5V/div
5V/div
OUT_
OUT_
= 0.1µF, C
STARTUP TIME
STARTUP TIME
C
C
OUT
OUT
C: V
D: I
C: V
D: I
= 10Ω, C
= 10Ω, C
400µs/div
1ms/div
OUT_
OUT_
OUT_
= 100µF
OUT_
= 1µF
500mA/div
500mA/div
OUT_
5V/div
OUT_
2V/div
OUT_
= 1µF
= 100µF
Typical Operating Characteristics (continued)
= 1µF, ON_ = SEL, T
MAX1940 toc19
MAX1940 toc21
5V
5V
5V
500mA
5V
5V
5V
500mA
A
B
C
D
A
B
C
A
A: V
B: V
A: V
B: V
= +25°C, unless otherwise noted.)
UNDERVOLTAGE LOCKOUT RESPONSE
V
R
SEL
OUT_
ON_
FAULT_
IN_
OUT_
= 5V, R
5V/div
5V/div
= 10Ω, C
5V/div
5V/div
OUT_
STARTUP TIME
C
OUT
OUT_
C: V
D: I
C: V
= 10Ω, C
10ms/div
1ms/div
= 330µF
OUT_
OUT_
= 1µF
FAULT_
500mA/div
5V/div
OUT_
5V/div
= 330µF
MAX1940 toc20
MAX1940 toc22
5V
5V
0
500mA
0
0
0