FAN3988 Просмотр технического описания (PDF) - Fairchild Semiconductor
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FAN3988 Datasheet PDF : 9 Pages
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DC Electrical Characteristics
TA = 25°C and VBUS = 5.0 V, unless otherwise noted.
Symbol
Parameter
Condition
Min.
Supply
VBUS
Supply Voltage Range
VBUS Range
2.7
IBUS
Quiescent Supply Current
VBUS = +5.0 V, D+ D- Shorted
tSUPPLY Power-Up Stabilization Time VBUS = +5.0 V, D+ D- Shorted
Input Characteristics
CD+
Input Capacitance
CD-
Input Capacitance
Ioff D+ Off Leakage Current
Ioff D-
Off Leakage Current
Output Characteristics
VBUS = 0 V or 5 V VIN on D+ = 5 V
VBUS = 0 V or 5 V VIN on D- = 5 V
OVDETECT
Over-Voltage Threshold
Detect
VBUS = +5.0 V, Flag2 = LOW
OVHYST Over-Voltage Hysteresis
Voltage Sweep through Upper
and Lower Trip Points
UVDETECT
Under-Voltage Threshold
Detect
VBUS = +5.0 V, Flag2 = LOW
UVHYST Under-Voltage Hysteresis
Voltage Sweep through Upper
and Lower Trip Points
VOH FLAG1/ Minimum HIGH Output
FLAG2 Voltage
VBUS = +5.0 V, IOH = -20 µA
VOL FLAG1/ Maximum LOW Output
FLAG2 Voltage
VBUS = +5.0 V, IOL = 20 µA
IOH FLAG1/ Minimum HIGH Output
FLAG2 Current
IOL FLAG1/ Maximum HIGH Output
FLAG2 Current
D+/D-
Threshold
USB SDP
D+ = 3V; D- = 0V-3V or 3V-0V
(Standard Downstream Port) D- = 3V; D+ = 0V-3V or 3V-0V
USB DCP
(Dedicated Charging Port)
D+/D- = 0V-3V, 3V-0V
toff
Flag2 HIGH to LOW
100 pF Load
ton
Flag2 LOW to HIGH
100 pF Load
5.8
3.0
2.4
-20
1.025
Typ.
5.0
1.2
10
1.5
1.5
1
1
6.0
100
3.3
100
1.300
1.450
10
44
Max.
20.0
2.0
2.0
2.0
6.5
3.6
2.6
0.3
20
1.365
Unit
V
mA
ms
pF
pF
µA
µA
V
mV
V
mV
V
V
µA
µA
V
V
ns
ns
© 2007 Fairchild Semiconductor Corporation
FAN3988 • Rev. 1.15
4
www.fairchildsemi.com
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