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| 型号： | F4810-R |
| 厂商： | POWER-ONE INC |
| 元件分类： | 数据传输滤波器 |
| 英文描述： | 1 FUNCTIONS, 80 V, 10 A, DATA LINE FILTER MODULE |
| 文件页数： | 12/41页 |
| 文件大小： | 1387K |
| 代理商： | F4810-R |
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MCD10059 Rev. 1.0
Page 2 of 41
www.power-one.com
F & FC Series DC-DC Converter Input Filters
F4804A, 0-80V, 4 Amps, SMT Mount
F4804A Applications
Differential and Common Mode filtering for dc-dc
converters:
Telecommunications
Data communications
Distributed Power Solutions
Features
RoHS lead free solder and lead solder exempted
products are available
Maximum current 4 A with no derating
Maximum operating input voltage 80 V
100 V 100 ms transient withstand capability
Differential LC-filter stage
Surface mounted design
Small footprint – only 0.75 sq. in.
Low profile: 0.267” [6.78 mm] maximum
Low weight: 0.13 oz [3.66 g]
Operation over -40 °C to 85 °C ambient
temperature range
No airflow required up to 85 °C
Enables dc-dc converter compliance with
EN55022 and FCC Class B requirements
conducted emissions
UL60950 recognition in U.S. & Canada, and
DEMKO certification per IEC/EN60950
Description
The F4804A Input Filter minimizes the conducted and radiated emissions generated by switch mode dc-dc
converters, and allows board designs utilizing dc-dc converters to meet stringent FCC and EN55022 Class B
conducted emissions requirements. Filter F4804A is a fully compatible replacement for F4804, with improved
electrical and thermal characteristics.
Unlike most available off-the-shelf filter modules, the F4804A, in addition to common mode noise reduction
components, is provisioned with a differential LC-filter stage, which virtually guarantees compliance with
conducted noise standards across the frequency range from 150 kHz to 30 MHz, including fundamental switching
frequency and its harmonics. Test results show headroom of 15-20 dB for conducted noise quasi-peak levels, in
relation to Class B requirements.
F4804A filter is designed specifically for distributed power solutions in conjunction with dc-dc converters. Low
profile and small size (only 0.75 sq. in.) in a surface mount package helps the designer save system board real
estate, and simplifies the layout.
A single filter can be used with multiple converters, and is capable of providing up to 4 A to the converter input bus
at 85 °C. When used as specified within this data sheet, these filters do not require airflow and/or derating at high
temperatures.
.
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