FEATURES
• 20 WATTS MAXIMUM OUTPUT POWER
• OUTPUT CURRENT UP TO 5.5A
• STANDARD 2.0 X 1.0 X 0.4 INCH PACKAGE
• HIGH EFFICIENCY UP TO 89%
• 4:1 ULTRA WIDE INPUT VOLTAGE RANGE
• SIX-SIDED CONTINUOUS SHIELD
• FIXED SWITCHING FREQUENCY
• CE MARK MEETS 2006/95/EC, 93/68/EEC AND 2004/108/EC
• UL60950-1, EN60950-1 AND IEC60950-1 LICENSED
• ISO9001 CERTIFIED MANUFACTURING FACILITIES
• COMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC
OPTIONS
APPLICATIONS
Negative logic Remote On/Off
Wireless Network
Telecom/Datacom
DESCRIPTION
Industry Control System
Measurement Equipment
Semiconductor Equipment
The FED20W series offer 20 watts of output power from a 2 x 1 x 0.4 inch
package. The FED20W series with 4:1 ultra wide input voltage of 9-36
and 18-75VDC and features 1600VDC of isolation, short-circuit and
over-voltage protection.
T E C H N I C A L S P E C I F I C AT I O N All specifications are typical at nominal input, full load and 25ºC otherwise noted
INPUT SPECIFICATIONS
OUTPUT SPECIFICATIONS
Output power
24V nominal input
48V nominal input
9 – 36VDC
18 – 75VDC
20 Watts, max.
± 1%
Input voltage range
Voltage accuracy
Minimum load
Full load and nominal Vin
Input filter
Pi type
0%
Input surge voltage
100mS max
24V input
48V input
50VDC
100VDC
Voltage adjustability
Single output
± 10%
Input reflected ripple
current
Single
Dual
± 0.2%
± 0.5%
Nominal Vin and full load
20mAp-p
Line regulation
Load regulation
LL to HL at Full Load
Nominal Vin and
constant resistive load Remote ON/OFF
Power up
20mS, typ.
20mS, typ.
9VDC
Start up time
Single
Dual
± 0.5%
± 1%
No Load to Full Load
24V input
48V input
24V input
48V input
Start-up voltage
Shutdown voltage
18VDC
7.5VDC
15VDC
Cross regulation (Dual) Asymmetrical load 25% / 100% FL
± 5%
20MHz bandwidth
Ripple and noise
See table
(Measured with a 0.1μF/50V MLCC)
Remote ON/OFF (Note 6)
(Positive logic)(Standard)
±0.02% / ºC, max.
Temperature coefficient
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
Open or 3V < Vr < 12V
Short or 0V < Vr < 1.2V
Short or 0V < Vr < 1.2V
Open or 3V < Vr < 12V
-0.5mA ~ +0.5mA
Transient response recovery time
25% load step change
250μS
(Negative logic)(Option)
3.3V output
Over voltage protection 5V output
Zener diode clamp
3.9VDC
6.2VDC
15VDC
18VDC
Input current of remote control pin Nominal Vin
Remote off state input current Nominal Vin
12V output
15V output
2.5mA
Over load protection
% of FL at nominal input
150%, typ.
ENVIRONMENTAL SPECIFICATIONS
Short circuit protection
Hiccup, automatics recovery
-40ºC ~ +66ºC (without derating)
+66ºC ~ +105ºC (with derating)
Operating ambient temperature
GENERAL SPECIFICATIONS
Efficiency
Maximum case temperature
Storage temperature range
105ºC
See table
-55ºC ~ +125ºC
Input to Output
Isolation voltage
1600VDC, min.
Input(Output) to case
1600VDC, min.
Connect case to -Vin
with decoupling Y Cap
Nature convection 12ºC/Watt
Nature convection with heat-sink 10ºC/Watt
Thermal impedance (Note 7)
Case grounding
Thermal shock
Vibration
MIL-STD-810F
MIL-STD-810F
5% to 95% RH
Isolation resistance
Isolation capacitance
Switching frequency
109ohms, min.
1500pF, max.
400KHz, typ.
Relative humidity
EMC CHARACTERISTICS
Approvals and standard
Case material
IEC60950-1, UL60950-1, EN60950-1
Nickel-coated copper
FR4 PCB
EMI (Note 8)
EN55022
Class A
± 8KV
± 6KV
Air
Contact
Base material
ESD
EN61000-4-2
EN61000-4-3
Perf. Criteria B
Potting material
Epoxy (UL94-V0)
Radiated immunity
10 V/m Perf. Criteria A
2.00 X 1.00 X 0.40 Inch
(50.8X 25.4 X 10.2 mm)
Dimensions
Weight
± 2KV
± 1KV
Fast transient (Note 9) EN61000-4-4
Surge (Note 9) EN61000-4-5
Conducted immunity EN61000-4-6
Perf. Criteria B
Perf. Criteria A
27g (0.95oz)
BELLCORE TR-NWT-000332
MIL-HDBK-217F
1.620 x 106 hrs
MTBF (Note 1)
6.590 x 105 hrs
10 Vr.m.s Perf. Criteria A
Page 1 of 3 Issued Date:2008/05/21