SDC20-48S2P0 Datasheet, PDF (1/3 Pages) Power Mate Technology Co., LTD – 20 WATTS MAXIMUM OUTPUT POWER

CE MARK
• 20 WATTS MAXIMUM OUTPUT POWER
• 2:1 WIDE INPUT VOLTAGE RANGE
• INTERNATIONAL SAFETY STANDARD APPROVAL
• SIX-SIDED CONTINUOUS SHIELD
• HIGH EFFICIENCY UP TO 88%
• SMD TYPE 1.95” X 1.19” X 0.38” PACKAGE
• FIXED SWITCHING FREQUENCY
• PATENT
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 A T I O N All specifications are typical at nominal input, full load and 25ºC otherwise noted
OUTPUT SPECIFICATIONS
Output power
20 Watts, max.
Voltage accuracy
Full load and nominal Vin
± 1%
Voltage adjustability
± 10%
Minimum load
0%
Line regulation
LL to HL at Full Load
± 0.2%
Load regulation
10% to 100% FL
± 0.5%
Ripple and noise
20MHz bandwidth
(Measured with 0.1uF/50V MLCC)
See table
Temperature coefficient
±0.02% / ºC, max.
Transient response recovery time 25% load step change
Over voltage
Zener diode clamp
2.0V output
3.3V output
5V output
12V output
15V output
Over load protection
% of FL at nominal input
300uS
3.9VDC
3.9VDC
6.2VDC
15VDC
18VDC
150%, max.
Short circuit protection
Hiccup, automatics recovery
INPUT SPECIFICATIONS
Input voltage range
48V nominal input
36 – 75VDC
Input voltage lockout
DC-DC ON
DC-DC OFF
36VDC
33VDC
Input filter
L-C type
Input surge voltage
100mS max
Input reflected ripple
48V input
Nominal Vin and full load
100VDC
25mAp-p
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
GENERAL SPECIFICATIONS
Efficiency
See table
Isolation voltage
Isolation resistance
Isolation capacitance
1600VDC, min.
10⁹ohms, min.
500pF, max.
Switching frequency
300KHz, typ.
Design meet standard
IEC60950, UL1950, EN60950
Potting material
Dimensions
Weight
MTBF (Note 3)
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 10⁶ hrs
ENVIRONMENTAL SPECIFICATIONS
Operating ambient temperature
-40ºC ~ +85ºC (with derating)
Maximum case temperature
+100ºC
Storage temperature range
-55ºC ~ +105ºC
Thermal impedance
Nature convection
14ºC/Watt
Thermal shock
MIL-STD-810F
Vibration
MIL-STD-810F
Relative humidity
5% to 95% RH
EMC CHARACTERISTICS (Note 4)
Conducted emissions
EN55022
Class A
Radiated emissions
EN55022
Class A
ESD
EN61000-4-2
Perf. Criteria B
Radiated immunity
EN61000-4-3
Perf. Criteria A
Fast transient
EN61000-4-4
Perf. Criteria B
Surge
EN61000-4-5
Perf. Criteria B
Conducted immunity
EN61000-4-6
Perf. Criteria A
Page 1 of 3 Issued Date：2008/05/21