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FAN3988 Datasheet(PDF) 4 Page - Fairchild Semiconductor

No. de Pieza. FAN3988
Descripción  USB/Charger and Over-Voltage Detection Device
Descarga  9 Pages
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Fabricante  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
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FAN3988 Datasheet(HTML) 4 Page - Fairchild Semiconductor

   
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© 2007 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN3988 • Rev. 1.0.10
4
DC Electrical Characteristics
TA = 25°C, VBUS = 5.0V, unless otherwise noted.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
Supply
VBUS
Supply Voltage Range
VBUS Range
2.7
5.0
20.0
V
IBUS
Quiescent Supply Current
VBUS = +5.0V, D+ D- Shorted
1.2
2.0
mA
tSUPPLY
Power-Up Stabilization Time
VBUS = +5.0V, D+ D- Shorted
10
ms
Input Characteristics
CD+
Input Capacitance
1.5
2.0
pF
CD-
Input Capacitance
1.5
2.0
pF
Ioff D+
Off Leakage Current
VBUS = 0V or 5V VIN on D+ = 5V
1
µA
Ioff D-
Off Leakage Current
VBUS = 0V or 5V VIN on D- = 5V
1
µA
Output Characteristics
OVDETECT
Over-Voltage Threshold
Detect
VBUS = +5.0V, Flag2 = LOW
5.8
6.0
6.5
V
OVHYST
Over-Voltage Hysteresis
Voltage Sweep through Upper
and Lower Trip Points
100
mV
UVDETECT
Under-Voltage Threshold
Detect
VBUS = +5.0V, Flag2 = LOW
3.0
3.3
3.6
V
UVHYST
Under-Voltage Hysteresis
Voltage Sweep through Upper
and Lower Trip Points
100
mV
VOH FLAG1/
FLAG2
Minimum HIGH Output
Voltage
VBUS = +5.0V, IOH = -20µA
2.4
2.6
V
VOL FLAG1/
FLAG2
Maximum LOW Output
Voltage
VBUS = +5.0V, IOL = 20µA
0.3
V
IOH FLAG1/
FLAG2
Minimum HIGH Output
Current
-20
µA
IOL FLAG1/
FLAG2
Maximum HIGH Output
Current
20
µA
D+/D-
Threshold
1.025
1.300
1.365
V
toff
Flag2 HIGH to LOW
100pF Load
10
ns
ton
Flag2 LOW to HIGH
100pF Load
44
ns


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