MAX1940(2002) Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX1940 Datasheet PDF : 12 Pages
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Triple USB Switch with Autoreset and
Fault Blanking
Typical Operating Characteristics
(Circuit of Figure 2, VIN_ = 5V, CIN_ = 0.1µF, COUT_ = 1µF, ON_ = SEL, TA = +25°C, unless otherwise noted.)
QUIESCENT SUPPLY CURRENT
vs. INPUT VOLTAGE
70
ALL SWITCHES ACTIVE
60
50
40
30
20
10
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
SWITCH OFF-LEAKAGE (ONE SWITCH)
vs. TEMPERATURE
1000
ON_ = OUT_, VSEL = 5V
100
10
1
0.1
0.01
-40 -15
10
35
60
85
TEMPERATURE (°C)
TURN-ON TIME (tON + tRISE)
vs. TEMPERATURE
3.5
ROUT_ = 10Ω
VIN_ = 4.5V
3.4
3.3 VIN_ = 5V
3.2
3.1
VIN_ = 5.5V
3.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE
70
ALL SWITCHES ACTIVE
69
68
VIN_ = 5.5V
67
66
65
64
VIN_ = 5V
63
62
VIN_ = 4.5V
61
60
-40 -15
10
35
60
85
TEMPERATURE (°C)
NORMALIZED ON-RESISTANCE
vs. TEMPERATURE
1.3
1.2
1.1
1.0
0.9
0.8
0.7
-40 -15
10
35
60
85
TEMPERATURE (°C)
TURN-OFF TIME (tOFF + tFALL)
vs. TEMPERATURE
3.3
ROUT_ = 10Ω
3.2
VIN_ = 5.5V
3.1
3.0
VIN_ = 5V
2.9
2.8
2.7
2.6
-40
VIN_ = 4.5V
-15
10
35
60
85
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
3.0
ON_ = GND, VSEL = 5V
2.9
2.8
2.7
2.6
2.5
-40 -15
10
35
60
85
TEMPERATURE (°C)
CONTINUOUS CURRENT-LIMIT THRESHOLD
vs. TEMPERATURE
920
916
VIN_ = 5.5V
912 VIN_ = 5.0V
908
904
VIN_ = 4.5V
900
-40 -15
10
35
60
85
TEMPERATURE (°C)
FAULT-BLANKING TIME
vs. TEMPERATURE
22.0
21.5
VIN_ = 4.5V
21.0
20.5
20.0
VIN_ = 5V
VIN_ = 5.5V
19.5
19.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
4 _______________________________________________________________________________________
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