參數(shù)資料
型號: KSZ8995FQI
廠商: Micrel Inc
文件頁數(shù): 86/89頁
文件大?。?/td> 0K
描述: IC SWITCH 10/100 5PORT 128-PQFP
標(biāo)準(zhǔn)包裝: 66
系列: *
產(chǎn)品目錄頁面: 1081 (CN2011-ZH PDF)
配用: 576-3872-ND - BOARD EVALUATION FOR KSZ8995FQ
其它名稱: 576-3300
Micrel, Inc.
KS8995MA/FQ
October 2011
87
M9999-102611-3.0
Selection of Isolation Transformer
(1)
One simple 1:1 isolation transformer is needed at the line interface. An isolation transformer with integrated common-
mode choke is recommended for exceeding FCC requirements. The following table gives recommended transformer
characteristics.
Characteristics Name
Value
Test Condition
Turns Ratio
1 CT : 1 CT
Open-Circuit Inductance (min.)
350H
100mV, 100kHz, 8mA
Leakage Inductance (max.)
0.4H
1MHz (min.)
Inter-Winding Capacitance (max.)
12pF
D.C. Resistance (max.)
0.9
Insertion Loss (max.)
1.0dB
0MHz to 65MHz
HIPOT (min.)
1500Vrms
Note:
1.
The IEEE 802.3u standard for 100BASE-TX assumes a transformer loss of 0.5dB. For the transmit line transformer, insertion loss of up to 1.3dB
can be compensated by increasing the line drive current by means of reducing the ISET resistor value.
The following transformer vendors provide compatible magnetic parts for Micrel’s device.
4-Port Integrated
Auto MDIX
Number of Ports
Single Port
Auto MDIX
Number of Ports
Vendor
Part
Vendor
Part
Pulse
H1164
Yes
4
Pulse
H1102
Yes
1
Bel Fuse
558-5999-Q9
Yes
4
Bel Fuse
S558-5999-U7
Yes
1
YCL
PH406466
Yes
4
YCL
PT163020
Yes
1
Transpower
HB826-2
Yes
4
Transpower
HB726
Yes
1
Delta
LF8731
Yes
4
Delta
LF8505
Yes
1
LanKom
SQ-H48W
Yes
4
LanKom
LF-H41S
Yes
1
Table 17. Qualified Magnetic Vendors
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KSZ8995MA 功能描述:以太網(wǎng) IC 5 Port 10/100 Switch with PHY and Frame Buffers (Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8995MA4 功能描述:IC SWITCH 5-PORT 10/100 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA(27x27) 包裝:散裝
KSZ8995MAB3 功能描述:IC SWITCH 5-PORT 10/100 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA(27x27) 包裝:散裝
KSZ8995MA-EVAL 功能描述:以太網(wǎng)開發(fā)工具 KSZ8995MA Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓: