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参数资料
| 型号： | F4804 |
| 厂商： | POWER-ONE INC |
| 元件分类： | 数据传输滤波器 |
| 英文描述： | 1 FUNCTIONS, 80 V, 4 A, DATA LINE FILTER MODULE |
| 文件页数： | 3/10页 |
| 文件大小： | 293K |
| 代理商： | F4804 |
REV. June 01, 2005
Page 2 of 10
www.power-one.com
F4804 Input Filter Data Sheet
80Vdc @ 4A Output
di/dt
Electrical Specifications
Conditions: TA=25C, No Airflow, Vin=48 Vdc, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Absolute Maximum Ratings
Input Voltage
1
Continuous
0
100
Vdc
Operating Ambient Temperature
-40
85
°C
Storage Temperature
-55
125
°C
Electrical Characteristics
Operating Input Voltage Range
1, 2
0
48
80
Vdc
Maximum Operating Current
85°C ambient, no airflow
3
Adc
85°C ambient, airflow 300 LFM [1.5 m/s]
4
Adc
Voltage Drop at Maximum Load
4 A
0.32
Vdc
Voltage Drop – Typical Application
Loaded with Q48x30033 (3.3 V, 30 A)
4
0.16
Vdc
Efficiency at Typical Load
Loaded with Q48x30033 (3.3 V, 30 A)
99.6
99.7
%
Conducted Noises, Quasi-Peak Level
5
Loaded with Q48x30033 (3.3 V, 30 A)
- Main frequency and low harmonics up
to 5 MHz
40
45
dBV
- High frequencies up to 30 MHz
35
48
dBV
Additional Notes:
1.
Absolute maximum voltage and maximum operating voltage are for the filter itself; check maximum rating for corresponding
DC-DC converters. Filter will not be damaged with reversed input voltage.
2.
Designed primarily for 48 V applications, filter can be used with both 48 V converters (operating range from 36 V to 72 V) and
24 V converters (operating range from 18 V to 36 V). Typical filter application schematic is shown on Fig. 1.
3.
Maximum current at any ambient temperature without airflow can be calculated as Imax = [4 - 0.025*(Tamb-45)] A, with
constraint Imax ≤ 4 A.
4.
Letter x denotes either T or S, i.e. filter module is loaded either with Q48T30033 through-hole or Q48S30033 surface
mounted converter.
5.
Typical EMI plot for conducted emissions (with fully loaded Q48x30033 converter connected to the filter output, see
schematic Fig. 1) is shown on Fig. 2. Plot was taken by independent test laboratory TUV. TUV report confirms compliance
with Class B requirements according EN-55022 (CISPR-22) and FCC standards.
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