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ISL54228 Datasheet, PDF (5/17 Pages) Intersil Corporation – High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP)
ISL54228
Electrical Specifications - 2.7V to 5.25V Supply Test Conditions: VDD = +3.3V, GND = 0V, VLP = GND,
VOEH = 1.4V, VOEL = 0.5V, (Note 9), Unless Otherwise Specified. Boldface limits apply over the operating temperature
range, -40°C to +85°C. (Continued)
PARAMETER
TEST CONDITIONS
TEMP
MIN
MAX
(°C) (Notes 10, 11) TYP (Notes 10, 11) UNITS
OVERVOLTAGE PROTECTION DETECTION
Positive Fault-Protection Trip VDD = 2.7V to 5.25V, OE = VDD
Threshold, VPFP
(see Table 1 on page 3)
25
3.62
3.8
3.95
V
Negative Fault-Protection Trip VDD = 2.7V to 5.25V, OE = VDD
Threshold, VNFP
(see Table 1 on page 3)
25
-0.6
-0.45
-0.29
V
OFF Persistence Time
Negative OVP Response: VDD = 2.7V,
25
-
102
-
ns
Fault Protection Response Time SEL = 0V or VDD, OE = VDD, VDx = 0V to
-5V, RL = 15kΩ
Positive OVP Response: VDD = 2.7V,
25
-
2
-
µs
SEL = 0V or VDD, OE = VDD, VDx = 0V to
5.25V, RL = 15kΩ
ON Persistence Time
VDD = 2.7V, OE = VDD, VDx = 0V to 5.25V 25
-
45
-
µs
Fault Protection Recovery Time or 0V to -5V, RL = 15kΩ
DYNAMIC CHARACTERISTICS
Turn-ON Time, tON
VDD = 3.3V, Vinput = 3V, RL = 50Ω,
25
-
160
-
ns
CL = 50pF (see Figure 1)
Turn-OFF Time, tOFF
VDD = 3.3V, Vinput = 3V, RL = 50Ω,
25
-
60
-
ns
CL = 50pF (see Figure 1)
Skew, (tSKEWOUT - tSKEWIN) VDD = 3.3V, OE = 3.3V, RL = 45Ω,
25
-
50
-
ps
CL = 10pF, tR = tF = 500ps at 480Mbps,
(Duty Cycle = 50%) (see Figure 5)
Rise/Fall Degradation
VDD = 3.3V, OE = 3.3V, RL = 45Ω,
25
-
250
-
ps
(Propagation Delay), tPD
CL = 10pF, (see Figure 5)
Crosstalk
VDD = 3.3V, RL = 50Ω, f = 240MHz
25
-
-39
-
dB
(see Figure 4)
OFF-Isolation
-3dB Bandwidth
OFF Capacitance, COFF
VDD = 3.3V, OE = 0V, RL = 50Ω, f = 240MHz 25
Signal = 0dBm, 0.2VDC offset, RL = 50Ω 25
f = 1MHz, VDD = 3.3V, LP = 0V, OE = 0V 25
(Figure 3)
-
-23
-
-
790
-
-
2.5
-
dB
MHz
pF
COM ON Capacitance, C(ON) f = 1MHz, VDD = 3.3V, LP = 0V, OE = 3.3V 25
-
4
-
pF
(Figure 3)
COM ON Capacitance, C(ON) f = 240MHz, VDD = 3.3V, LP = 0V, OE = 3.3V 25
-
2
-
pF
POWER SUPPLY CHARACTERISTICS
Power Supply Range, VDD
Full
2.7
5.25
V
Positive Supply Current, IDD VDD = 5.25V, OE = 5.25V, LP = GND
25
-
45
56
µA
Full
-
-
59
µA
Positive Supply Current, IDD VDD = 3.6V, OE = 3.6V, LP = GND
25
-
23
30
µA
Full
-
-
34
µA
Positive Supply Current, IDD VDD = 3.6V, OE = 0V, LP = VDD
(Low Power State)
25
-
Full
-
5
6
µA
-
10
µA
Positive Supply Current, IDD VDD = 4.3V, OE = 2.6V, LP = GND
25
-
35
45
µA
Full
-
-
50
µA
5
FN7628.0
July 29, 2010