ISL54228 Datasheet, PDF (2/17 Pages) Intersil Corporation – High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP)

Pin Configurations
ISL54228
(8 LD 1.2x1.4 µTQFN)
TOP VIEW
ISL54228
ISL54228
(8 LD 2x2 TDFN)
TOP VIEW
OVP
D- 1
4MΩ
LOGIC
5 D+
4MΩ
LP 1
D+ 2
PD
LOGIC
4MΩ
4MΩ
COM+ 3
GND 4
OVP
8 VDD
7 ^OE
6 D-
5 COM-
NOTE: Switches Shown for OE = Logic “0”.
Pin Descriptions
µTQFN
4
5
6
7
8
1
2
3
-
TDFN
1
2
3
4
5
6
7
8
PD
PIN NAME
LP
D+
COM+
GND
COM-
D-
OE
VDD
PD
DESCRIPTION
Low Power Input
USB Data Port
USB Data Port
Ground Connection
USB Data Port
USB Data Port
Switch Enable
Power Supply
Thermal Pad. Tie to Ground or Float
Truth Table
INPUT
OUTPUT
SIGNAL AT COM PINS
LP
OE
D-, D+
STATE
0V to 3.6V
0
0
OFF
Normal
0V to 3.6V
0
1
ON
Normal
0V to 3.6V
1
0
OFF
Low Power
0V to 3.6V
1
1
ON
Normal
Overvoltage Range
0
0
OFF
OVP
Overvoltage Range
0
1
OFF
OVP
Overvoltage Range
1
0
OFF
Neg OVP
Limited Positive OVP
No Persistence Checking
Low Power
Overvoltage Range
1
1
OFF
OVP
NOTE: Logic “0” when ≤ 0.5V, Logic “1” when ≥ 1.4V with a 2.7V to 3.6V Supply.
2
FN7628.0
July 29, 2010