參數(shù)資料
型號: ISP1122
廠商: NXP Semiconductors N.V.
英文描述: Universal Serial Bus stand-alone hub
中文描述: 通用串行總線獨(dú)立的樞紐
文件頁數(shù): 26/48頁
文件大小: 1159K
代理商: ISP1122
Philips Semiconductors
ISP1122
USB stand-alone hub
Product specification
Rev. 03 — 29 March 2000
26 of 48
9397 750 07002
Philips Electronics N.V. 2000. All rights reserved.
Power switches 1 to 5 are low-ohmic PMOS devices as specified in
Section 12.2
.
Fig 10. Mode 5: self-powered hub; individual port power switching; individual overcurrent detection.
MGR784
handbook, full pagewidth
INDV
OPTION
PSW1/GL1
PSW5/GL5/GPSW
PSW4/GL4
PSW3/GL3
SP/BP
OC5/GOC
PSW2/GL2
OC1
OC2
OC3
OC4
5 V
POWER SUPPLY
±
3%
1
+
VBUS
D
+
D
GND
SHIELD
+
4.85 V(min)
+
4.85 V(min)
+
4.75 V
(min)
1
2
VBUS
D
+
D
GND
SHIELD
+
4.75 V
(min)
2
3
3
VBUS
D
+
D
GND
SHIELD
+
4.75 V
(min)
VCC
GND
330 k
(5
×
)
100
to
1 k
4
5
VBUS
D
+
D
GND
SHIELD
+
4.75 V
(min)
4
120
μ
F
VBUS
D
+
D
GND
SHIELD
+
4.75 V
(min)
5
ferrite bead
downstream
ports
ISP1122
120
μ
F
ferrite bead
120
μ
F
ferrite bead
120
μ
F
ferrite bead
120
μ
F
ferrite bead
low-ohmic
PMOS switch
47 k
0.1
μ
F
low-ohmic
PMOS switch
47 k
0.1
μ
F
low-ohmic
PMOS switch
47 k
0.1
μ
F
low-ohmic
PMOS switch
47 k
0.1
μ
F
low-ohmic
PMOS switch
47 k
0.1
μ
F
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