鈥?/div>
FIXED SWITCHING FREQUENCY
UL E193009
TUV R50018446
CB JPTUV-005032
CE MARK
The FED20 series offer 20 watts of output power from a 2 x 1 x 0.4 inch package .
The FED20 series with 2:1 wide input voltage of 18-36 and 36-75VDC and features
1600VDC of isolation, short-circuit and over-voltage protection, as well as six sided
shielding. A safety approvals to EN60950 and UL1950. All models are particularly
suited to telecommunications, industrial, mobile telecom and test equipment
applications.
T E C H N I C A L S P E C I F I C AT I O N
OUTPUT SPECIFICATIONS
Output power
Voltage accuracy
Voltage adjustability
Minimum load
Line regulation
Load regulation
Ripple and noise
LL to HL at Full Load
10% to 100% FL
20MHz bandwidth
(Measured with a 104pF/50V MLCC)
25% load step change
Full load and nominal Vin
All specifications are typical at nominal input, full load and 25潞C otherwise noted
GENERAL SPECIFICATIONS
20 Watts max
鹵 1%
鹵 10%
0%
鹵 0.2%
鹵 0.5%
75mVp-p
Efficiency
Isolation voltage
Isolation resistance
Isolation capacitance
Switching frequency
Approvals and standard
Case material
Base material
Potting material
Dimensions
Weight
MTBF (Note 4)
See table
1600VDC, min
10 ohms, min
1000pF, max
500KHz, typ
IEC60950, UL60950, EN60950
Nickel-coated copper
Non-conductive black plastic
Epoxy (UL94-V0)
2.00 X 1.00 X 0.40 Inch
(50.8 X 25.4 X 10.2 mm)
27g (0.95oz)
1.791 x 10
6
hrs
9
Temperature coefficient
Transient response recovery time
1.5V output
1.8V output
2.5V output
Over voltage protection
3.3V output
Zener diode clamp
5V output
12V output
15V output
Over load protection
% of FL at nominal input
Short circuit protection
I0.02%
/ 潞C, max
300uS
3.9V
3.9V
3.9V
3.9V
6.2V
15V
18V
150% typ
ENVIRONMENTAL SPECIFICATIONS
Operating temperature range
Maximum case temperature
Storage temperature range
Nature convection
Nature convection with heat-sink
-40潞C ~ +85潞C (with derating)
100潞C
-55潞C ~ +105潞C
12潞C/Watt
10潞C/Watt
Hiccup, automatics recovery
INPUT SPECIFICATIONS
Input voltage range
Input filter (Note 1)
Input voltage variation
Input surge voltage
100mS max
Input reflected ripple (Note 2)
Remote ON/OFF (Note 3)
DC-DC ON
DC-DC OFF
Nominal Vin
Open or 3.5V < Vr < 12V
Short or 0V < Vr < 1.2V
2.5mA
dv/dt
24V nominal input
48V nominal input
18 鈥?36VDC
36 鈥?75VDC
L-C type
5V/ms,max
(Complies with ETS300 132 part 4.4)
24V input
50VDC
48V input
100VDC
Nominal Vin and full load
20mAp-p
10mS typ
Thermal impedance (Note 5)
Thermal shock
Vibration
Relative humidity
MIL-STD-810D
10~55Hz, 2G, 30minutes along X,Y and Z
5% to 95% RH
EMC CHARACTERISTICS
Conducted emissions
Radiated emissions
ESD
Radiated immunity
Fast transient
Surge
Conducted immunity
EN55022
EN55022
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
Level A
Level A
Perf. Criteria2
Perf. Criteria2
Perf. Criteria2
Perf. Criteria2
Perf. Criteria2
Start up time Nominal Vin and constant resistor load
Remote off input current
1
2
