参数资料
型号: KS8995MAI
厂商: Micrel Inc
文件页数: 70/73页
文件大小: 0K
描述: IC SWITCH 10/100 5PORT 128PQFP
标准包装: 66
系列: *
类型: *
应用: *
安装类型: 表面贴装
封装/外壳: 128-BFQFP
供应商设备封装: 128-PQFP(14x20)
包装: 散装
配用: 576-1017-ND - BOARD EVAL EXPERIMENT KS8995M
其它名称: 576-1019
KS8995MA
Micrel, Inc.
M9999-051305
72
May 2005
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 I
SET resistor value.
The following transformer vendors provide compatible magnetic parts for Micrel’s device:
4-Port IntegratedAuto
Number
Single Port
AutoNumber
Vendor
Part
MDI-X
of Port
Vendor
Part
MDI-X
of Port
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 24. Qualified Magnetics Vendors
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KS8995MAL 功能描述:IC SWITCH 10/100 5PORT 128PQFP RoHS:否 类别:集成电路 (IC) >> 专用 IC 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA(27x27) 包装:散装
KS8995M-EVAL 功能描述:BOARD EVAL EXPERIMENT KS8995M RoHS:否 类别:编程器,开发系统 >> 评估演示板和套件 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- 主要目的:电源管理,电池充电器 嵌入式:否 已用 IC / 零件:MAX8903A 主要属性:1 芯锂离子电池 次要属性:状态 LED 已供物品:板
KS8995MI 功能描述:IC SWITCH 10/100 5PORT 128PQFP RoHS:否 类别:集成电路 (IC) >> 专用 IC 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA(27x27) 包装:散装
KS8995X 功能描述:IC SWITCH 10/100 5PORT 128PQFP RoHS:是 类别:集成电路 (IC) >> 专用 IC 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:调帧器 应用:数据传输 安装类型:表面贴装 封装/外壳:400-BBGA 供应商设备封装:400-PBGA(27x27) 包装:散装
KS8995X_04 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Integrated 5-Port 10/100 QoS Switch