MAX1946ETA(2003) Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX1946ETA
(Rev.:2003)
(Rev.:2003)
Maxim Integrated
MAX1946ETA Datasheet PDF : 13 Pages
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Single USB Switch with Autoreset and
Fault Blanking in Tiny QFN
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 5V, CIN = 0.1µF, COUT = 1µF, TA = -40°C to +85°C, unless otherwise noted.) (Note1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Turn-Off Delay
tOFF
ROUT = 10Ω, time from ON to 90% of VOUT,
does not include fall time
2
ms
ON, SEL Input High Level
ON, SEL Input Low Level
ON, SEL Input Leakage Current
FAULT Output Low Voltage
VIH
VIN = 2.7V to 4V
VIN = 4V to 5.5V
VIL
VIN = 2.7V to 4V
VIN = 4V to 5.5V
VON, VSEL = 0 or VIN
VOL ISINK = 1mA, VIN = 2.7V
1.6
V
2
V
0.6
V
0.8
V
-1
+1
µA
0.5
V
OUT Output Current Autoreset
Mode
In latched off state, VOUT = 0
10
45
mA
OUT Autoreset Threshold
OUT Autoreset Blanking Time
In latched off state, VOUT rising
In latched off state, VOUT > 0.5V
0.4
0.6
V
10
35
ms
Note 1: All parts are 100% tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design.
Note 2: Short-circuit detect threshold is the output voltage at which the device transitions from short-circuit current limit to continuous
current limit.
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
50
VSEL = VON = GND
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)
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE
45
VSEL = VON = GND
42
VIN = 5.5V
39
VIN = 5V
36
33 VIN = 2.7V
30
-40 -15
10
35
60
85
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
3.4
ON = GND, VSEL = 5V
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
-40 -15 10
35
60
85
TEMPERATURE (°C)
4 _______________________________________________________________________________________
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