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20 WATTS MAXIMUM OUTPUT POWER
•
2:1 WIDE INPUT VOLTAGE RANGE
•
INTERNATIONAL SAFETY STANDARD APPROVAL
•
SIX-SIDED CONTINUOUS SHIELD
•
HIGH EFFICIENCY UP TO 88%
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SMD TYPE 1.95” X 1.19” X 0.38” PACKAGE
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FIXED SWITCHING FREQUENCY
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PATENT
CE MARK
The SDC20 series offer 20 watts of output power from a 1.95 x 1.19 x 0.38 inch
SMD type package. The SDC20 series with 2:1 wide input voltage of 36-75VDC
and features 1600VDC of isolation, short-circuit and over-voltage protection, as
well as six sided shielding. 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 0.1uF/50V MLCC)
Full load and nominal Vin
All specifications are typical at nominal input, full load and 25ºC otherwise noted
GENERAL SPECIFICATIONS
20 Watts, max.
± 1%
± 10%
0%
± 0.2%
± 0.5%
See table
Efficiency
Isolation voltage
Isolation resistance
Isolation capacitance
Switching frequency
Design meet standard
Potting material
Dimensions
Weight
MTBF (Note 3)
See table
1600VDC, min.
10 ohms, min.
500pF, max.
300KHz, typ.
IEC60950, UL1950, EN60950
Epoxy (UL94-V0)
1.95 X 1.19 X 0.38 Inch
(49.5 X 30.2 X 9.7 mm)
32.5g (1.15oz)
1.632 x 10 hrs
6
9
Temperature coefficient
±0.02%
/ ºC, max.
300uS
3.9VDC
3.9VDC
6.2VDC
15VDC
18VDC
150%, max.
Transient response recovery time 25% load step change
Over voltage
Zener diode clamp
Over load protection
Short circuit protection
2.0V output
3.3V output
5V output
12V output
15V output
% of FL at nominal input
ENVIRONMENTAL SPECIFICATIONS
Operating ambient temperature
Maximum case temperature
Storage temperature range
Thermal impedance
Thermal shock
Nature convection
-40ºC ~ +85ºC (with derating)
+100ºC
-55ºC ~ +105ºC
14ºC/Watt
MIL-STD-810F
MIL-STD-810F
5% to 95% RH
Hiccup, automatics recovery
INPUT SPECIFICATIONS
Input voltage range
Input voltage lockout
Input filter
Input surge voltage
100mS max
Input reflected ripple
48V input
Nominal Vin and full load
48V nominal input
DC-DC ON
DC-DC OFF
36 – 75VDC
36VDC
33VDC
L-C type
100VDC
25mAp-p
Vibration
Relative humidity
EMC CHARACTERISTICS (Note 4)
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
Class A
Class A
Perf. Criteria B
Perf. Criteria A
Perf. Criteria B
Perf. Criteria B
Perf. Criteria A
Start up time Nominal Vin and
Power up
25mS, typ.
(Note 1)
constant resistive load Remote ON/OFF
25mS, typ.
Remote ON/OFF (Note 2)
DC-DC ON
Open or 3.5V < Vr < 12V
DC-DC OFF
Short or 0V < Vr < 1.2V
Remote off input current Nominal Vin
2.5mA
Page 1 of 3
Issued Date：2008/05/21
P-DUKE [ POWER MATE TECHNOLOGY CO., LTD ]
