- 您现在的位置：买卖IC网 > PDF目录67428 > F4804A-SR (POWER-ONE INC) DATA LINE FILTER MODULE PDF资料下载
参数资料
| 型号： | F4804A-SR |
| 厂商： | POWER-ONE INC |
| 元件分类： | 数据传输滤波器 |
| 英文描述： | DATA LINE FILTER MODULE |
| 文件页数： | 4/41页 |
| 文件大小： | 1387K |
| 代理商： | F4804A-SR |
第1页第2页第3页当前第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页
MCD10059 Rev. 1.0
Page 12 of 41
www.power-one.com
F & FC Series DC-DC Converter Input Filters
F2410 & F4810, 0-45V/0-80V, 10 Amps, SMT Mount
For additional information regarding layout and EMC,
refer to the Layout Considerations and EMI
Considerations Application notes.
The following bulleted items are considerations
regarding the external components for the typical
application shown in Fig. 5.
Input electrolytic capacitor C1. We recommend
1-2 F/W for 48 V applications, and 2-4 F/W for
24 V applications. This capacitor is needed to
ensure stability of converters in presence of their
negative input impedance characteristic. Note that
electrolytic capacitors at –40 C have 3-5 times
less capacitance than at room temperature, and
therefore it is good practice to check the power
system at worst case conditions from this point of
view, i.e. lowest ambient temperature, minimum
input voltage, and maximum load. If electrolytic
capacitors are restricted for use in the system,
please contact the factory.
Input capacitors C2, C3 are optional; they
decrease input ripple current and improve EMI.
One or two of the following ceramic chip
capacitors, as required, per converter are
recommended:
–
TDK C4532X7R2A105, 1.0 F, 100V - for
48 V applications
–
TDK C4532X7R1H475, 4.7 F, 50V - for
24 V applications
Common-mode capacitor (Y-cap) values and
their EMI attenuation effects depend on system
grounding and layout (they are not shown on Fig.
5). In EMI testing with the filter, ceramic
capacitors between input and output of the
converter (C4 – C7) were very helpful. Typical
values for the capacitor between Vin- and Vout-
are 3,300 pF – 5,100 pF, and for the capacitor
between Vin+ and Vout+, 0 to 3,300 pF.
If connection of capacitors between input and
output
is
prohibited
because
of
system
restrictions, connect Y-capacitors only from each
input pin to system ground. The value of these
capacitors in this case is “the bigger the better”
(preferably 0.1 F or larger). Voltage rating of
Y-capacitors depends on the system isolation
and safety requirements.
Output capacitors C8, C9 are optional to reduce
output ripple. Addition of one-two 47 F ceramic
capacitors,
for
example,
for
low
voltage
applications 3.3 V and below, significantly
decreases output ripple from 25-40 mV peak-to-
peak to 5-10 mV. Recommended capacitor for
these
low
voltage
applications
is
C3225X5R0J476 from TDK.
UL testing was performed with a 12 Amps fuse
(R451012 from Littelfuse). Fuses larger than
12 Amps should not be used. Smaller value
fuses can be used as required for protection to a
lower power limit.
相关PDF资料 |
PDF描述 |
|---|---|
| F4804A-S | DATA LINE FILTER MODULE |
| F4804A | DATA LINE FILTER MODULE |
| F4810-G | DATA LINE FILTER MODULE |
| F4810-RG | DATA LINE FILTER MODULE |
| F4810-SG | DATA LINE FILTER MODULE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| F4804-R | 制造商:Power-One 功能描述:EM FLTR 50OHM - Tape and Reel |
| F48-050 | 功能描述:电源变压器 2.5VA 48V CT @ 0.05A Split Pack RoHS:否 制造商:Triad Magnetics 功率额定值:12 VA 初级电压额定值:115 V / 230 V 次级电压额定值:12 V / 24 V 安装风格:SMD/SMT 一次绕组:Dual Primary Winding 二次绕组:Dual Secondary Winding 长度:2.5 in 宽度:2 in 高度:1.062 in |
| F48-050-C2 | 制造商:Triad Magnetics 功能描述:Transformer, class 2/3, 6-pin, 2.5VA, 115V x 48VCT at 0.05A, 24V at 0.1A |
| F48-050-C2-B | 制造商:Triad Magnetics 功能描述:XFRMR LAMINATED 2.4VA THRU HOLE |
| F48051200A00RG | 制造商:SL Power Electronics 功能描述:- Bulk |
发布紧急采购，3分钟左右您将得到回复。