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參數(shù)資料
| 型號： | LX7202-15ISF |
| 英文描述： | Integrated EMI Filters and TVS diodes |
| 中文描述： | 集成的EMI濾波器和TVS二極管 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 299K |
| 代理商： | LX7202-15ISF |
LX7202-xx
P
RODUCTION
D
ATA
S
HEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
W
M
.
C
EMI Filter & ESD Protection for Up Stream USB
Ports
Copyright
2002
Rev. 1.0a, 2002-10-15
I N T E G R A T E D P R O D U C T S
A P P L I C A T I O N C I R C U I T S
USB
Transceiver
Host or Hub (downstream) port
Peripheral (upstream) port
USB
Transceiver
LX7201
LX7202
V
BUS
1
GND
6
5
4
3
2
R
PU
R
S
C
R
S
C
1
6
5
4
3
2
V
BUS
GND
C
R
S
R
PD
R
PD
R
S
C
Figure 1 –
Typical Application
A P P L I C A T I O N I N F O R M A T I O N
The LX7202 meets the requirements of the USB v1.1
specification for device termination, EMI filtering and ESD
protection. The RS resistor provides the proper signal
termination; the 47pF capacitor controls the signal rise and
fall slew; the TVS diodes protect the IC from ESD damage;
and the total capacitance and resistance creates a low pass
filter eliminating the high frequency energy from the circuit.
The LX7202 can configure the upstream port for either Full-
Speed or Low-Speed operation. The figures below show the
proper connection in accordance with the USB v1.1
specification.
F
ULL
S
PEED
D
EVICE
The USB specification offers a 12 Mbps data transfer
rate known as Full-Speed which requires a 1.5 k
pull-up
resistor to be connected to the D+ line. Slew rate control is
accomplished with 47pF attached to the transceiver before
the R
S
.
Voltage Supply (Vbus) is connected to Pin 1
Ground is connected to Pin 6
D+ from the connector is routed to Pin 3 (1.5 k
pull-up
resistor) and Pin 4 to the D+ line of the USB
Transceiver
D- from the connector is routed to Pin 2 and Pin 5 to the
D- line of the USB Transceiver
Peripheral
USB
Transceiver
GND
V
BUS
D+
D-
1
6
GND
5
D
OUT
4
D
OUT
3
2
V
BUS
D
IN
D
IN
LX7202
R
PU
cable
Host
USB
Transceiver
GND
V
BUS
D+
D-
Figure 2 –
Connection for Full Speed Operation
A
P
P
L
I
C
A
T
I
O
N
S
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LX7202-22ISF | 功能描述:IC USB LINE TERM EMI/ESD SOT23-6 RoHS:是 類別:集成電路 (IC) >> 接口 - 信號終端器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:SCSI，SE 端子數(shù):9 電源電壓:4 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| LX7203 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:EMI Filter & ESD Protection for Up Stream USB Ports |
| LX7203-15ISM | 功能描述:IC USB LINE TERM EMI/ESD SC70-6 RoHS:是 類別:集成電路 (IC) >> 接口 - 信號終端器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:SCSI，SE 端子數(shù):9 電源電壓:4 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| LX7203-22ISM | 功能描述:IC USB LINE TERM EMI/ESD SC70-6 RoHS:是 類別:集成電路 (IC) >> 接口 - 信號終端器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:SCSI，SE 端子數(shù):9 電源電壓:4 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| LX7203-XX | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:EMI Filter & ESD Protection for Up Stream USB Ports |
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