ISP1122ABD datasheet(27/48 Pages) PHILIPS

27 / 48 page

Philips Semiconductors

ISP1122A

USB stand-alone hub

Preliminary speciﬁcation

Rev. 01 — 27 March 2000

27 of 48

9397 750 06986

Power switch is low-ohmic PMOS device as speciﬁed in Section 12.2.

Fig 11. Mode 1: self-powered hub; ganged port power switching; global overcurrent detection.

handbook, full pagewidth

MBL171

INDV

OPTION

PSW1/GL1

PSW5/GL5/GPSW

PSW4/GL4

PSW3/GL3

SP/BP

OC5/GOC

PSW2/GL2

OC1

OC2

OC3

OC4

low-ohmic

sense resistor

for overcurrent

detection

ISP1122A

5.1 V KICK-UP

POWER SUPPLY

± 3%

−

+4.95 V(min)

VCC

GND

330

Ω

VBUS

−

GND

SHIELD

+4.75 V

(min)

downstream

ports

120

µF

ferrite bead

VBUS

−

GND

SHIELD

+4.75 V

(min)

120

µF

ferrite bead

VBUS

−

GND

SHIELD

+4.75 V

(min)

120

µF

ferrite bead

VBUS

−

GND

SHIELD

+4.75 V

(min)

120

µF

ferrite bead

VBUS

−

GND

SHIELD

+4.75 V

(min)

120

µF

ferrite bead

100

Ω

1 k

Ω

low-ohmic

PMOS switch

47 k

Ω

0.1

µF

ISP1122ABD 数据表(PDF) 27 Page - NXP Semiconductors

ISP1122ABD 数据表(HTML) 27 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

数据表下载

链接网址

ISP1122ABD 数据表(PDF) 27 Page - NXP Semiconductors

ISP1122ABD 数据表(HTML) 27 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

数据表 下载

链接网址

数据表下载