GSC20 Commercial
20 WATT GLOBAL PERFORMANCE SWITCHERS
GLOBAL PERFORMANCE SWITCHERS
Summary:
Industrys smallest 20 W switcher
Business-card size (2.0 x 3.5 x 0.71)
Approved to UL60950, CSA-C22.2 No. 60950,
EN60950, IEC60950 with CB Certificate
EMI FCC Class B, CISPR22B
Overvoltage protection standard
RoHS compliant models available (G suffix)
marked to LVD
SPECIFICATIONS
Ac Input
Efficiency
90-264 Vac, 47-63 Hz single phase.
70% minimum at full rated load, nominal input voltage. Efficiency increases as
output voltage increases.
Input Current
Maximum input current at minimum 120 Vac, 60 Hz with full rated output
Input Protection
load is 0.6 A.
Internal ac fuse provided on all units. Inrush Current
Hold-up Time
Inrush is limited by internal thermistor. The inrush at 230 Vac, averaged over the
15 ms minimum from loss of ac input at full load, nominal line (115 Vac).
first ac half-cycle under cold start conditions will not exceed 32 A.
Output Power
Temperature Coefficient
Normal continuous output power is 20 W, 24 W peak for 60 s maximum
0.03%/C typical on all outputs.
duration, 10% duty cycle. Factory set to begin power limiting at approxi-
mately 28 W.
Environmental
Output Regulation Designed for 0 to 50C operation at full rated output power; derate output current
Regulation from initial setpoint measured by changing load from 5% load to
and total output power by 2.5% per C above 50C. See Environmental Specifica -
50% load or 50% load to full load in either direction. Initial setpoint tolerance
tions on next page.
is measured at 50% load. A minimum load of 5% of the output current is
EMI/EMC Compliance
required to maintain proper regulation.
All models include built-in EMI filtering to meet the following emissions require -
Overload Protection
ments:
Fully protected against short circuit and output overload. Short circuit pro-
tection is cycling type power limit
EMI SPECIFICATIONS COMPLIANCE LEVEL
Output Noise
Conducted Emissions EN55022 Class B; FCC Class B
0.5% rms, 1% pk-pk, 20 MHz bandwidth, differential mode. Measured with
Static Discharge EN61000-4-2, 6 kV contact, 8 kV air
scope probe directly across output terminals of the power supply with load
RF Field Susceptibility EN61000-4-3, 3 V/meter
terminated with 0.1 uF capacitor.
Fast Transients/Bursts EN61000-4-4, 2 kV, 5 kH
Surge Susceptibility EN61000-4-5, 1 kV diff., 2 kV com.
Transient Response
Main output: 750 s typical response time for return to within 0.5% of final
Commercial Safety
value for a 50% load step within the regulation limits of minimum and
Condor D.C. Power Supplies, Inc. declares under our sole responsibility that all GSC
maximum load, l/t <0.2 A/s Maximum voltage deviation is 3.5%. Startup/
models are in conformity with the applicable requirements of EN60950 following
shutdown overshoot less than 2%.
the provisions of the Low Voltage Directive 73/23/EEC. All GSC models are ap-
Overvoltage Protection
proved to UL60950, CSA-C22.2 No. 60950, EN60950, IEC60950 with CB Certificate.
Built in with firing point set per ratings table. OVP firing reduces voltage to
less than 50% of nominal voltage in 50 ms.
Turn-on time
Less than 1 second at 115 Vac, 25o C (inversely proportionate to input voltage
and thermistor temperature.
O
All specifications are typical at nominal input, full load at 25 C unless otherwise statedCommercial Load Initial Setpoint OVP Ripple and
Model Output Current Regulation Tolerance Setpoint Noise
GSC20-5 5.1 V 3.8 A 0.75% 2.5% 6.2 0.6 V 1.4%
GSC20-12 12 V 1.7 A 0.75% 2.5% 14 1.1 V 1%
GSC20-15 15 V 1.4 A 0.75% 2.5% 18.5 1.5 V 1%
GSC20-24 24 V 0.85 A 0.75% 2.5% 28 2.5 V 1%
GSC20-28 28 V 0.7 A 0.75% 2.5% 34 2.8 V 1%
* Add G suffix to model number for RoHS compliant model.
GSC20 MECHANICAL SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS OPERATING NON-OPERATING
Temperature (A) See Individual Specs. -40 to +85C
A. Units should be allowed to warm up/operate under non-condensing
conditions before application of power.
Humidity (A) 0 to 95% RH 0 to 95% RH
B. Random vibration10 to 2000Hz, 6dB/octave roll-off from 350 to
Shock (B) 20 g 40 g
pk pk 2000Hz, 3 orthogonal axes. Tested for 10 min./axis operating and
1 hr./axis non-operating.
Altitude -500 to 10,000 ft -500 to 40,000 ft
C. Shock testinghalf-sinusoidal, 10 3 ms duration, direction,
2 2
Vibration (C) 1.5 g 0.003 g /Hz 5 g 0.026 g /Hz
rms rms
3 orthogonal axes, total 6 shocks.
SL Power Electronics, Inc. 6050 King Drive, Bldg. A, Ventura, CA 93003 USA. Phone:(805) 486 4565 Fax:(805) 487 8911 Email: [email protected]. Rev. 7/07.
Data Sheet 2007 SL Power Electronics, Inc. The information and specifications contained in this data sheet are believed to be correct at time of publication.
However, SL Power accepts no responsibility for consequences arising from reproduction errors or inaccuracies. Specifications are subject to change without notice.