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GPC50 Commercial
50 Watt Global Performance Switchers
FEATURES:
· Wide-range ac input 85-264 Vac
· 2-year warranty
· Approved to UL1950, IEC950 and CSA22.2-234 L3
· Exceeds FCC and CISPR22 Class B conducted
emissions requirements
· Single and multiple outputs
· marked to LVD
SPECIFICATIONS:
Ac Input Environmental
85-264 Vac, 47-63 Hz single phase. Designed for 0 to 50°C operation at full rated output
power; derate output current and total output power by
Input Current 2.5% per °C above 50°C. See Environmental and
Maximum input current at 120 Vac, 60 Hz with full rated Packaging Specifications on next page.
output load: 1.5 A
Output Noise
Hold-Up Time 0.5% rms, 1% pk-pk, 20 MHz bandwidth, differential
20 ms minimum from loss of ac input at full load, nominal mode. Measured with noise probe directly across output
line (115 Vac). terminals of the power supply.
Output Power Transient Response
50 W continuous, 60 W peak. Peak ratings are for 60 s Main output--500 µs typical response time for return to
maximum duration, 10% duty cycle. During peak load within 0.5% of final value for a 50% load step change. i/
condition, output regulation may exceed total regulation t<0.2 A/µs. Maximum voltage deviation is 3.5%. Startup/
limits. shutdown overshoot less than 3%.
Overload Protection Voltage Adjustment
Fully protected against short circuit and output overload. Built-in potentiometer adjusts voltage ±5% on outputs 1 & 2.
Short circuit protection is cycling type power limit on
outputs 1 & 2; foldback type on output 3. Recovery after Commercial EMI/EMC Compliance
fault is automatic. See output ratings chart for additional All models include built-in EMI filtering to meet the
notes or conditions. following emissions requirements:
EMI SPECIFICATIONS COMPLIANCE LEVEL
Overvoltage Protection Conducted Emissions EN55022 Class B; FCC Class B
Crowbar provided on V1. Static Discharge EN61000-4-2, 6 kV contact, 8 kV air
RF Field Susceptibility EN61000-4-3, 3 V/meter
Efficiency Fast Transients/Bursts EN61000-4-4, 2 kV, 5 kHz
65% at full rated load, nominal input voltage, depending Surge Susceptibility EN61000-4-5, 1 kV diff., 2 kV com.
on model and load distribution.
Leakage Current
Turn-on Time 0.7 mA 254 Vac @ 60 Hz input.
Less than 1 second at 120 Vac, 25°C (inversely propor-
tional to input voltage and thermistor temperature). Safety
Approved to UL1950, CSA22.2 No. 234 Level 3, IEC950
Input Protection and EN60950; UL file #E135803 commercial; CSA
Internal ac fuse provided. Designed to blow only if a #LR46516 all models. The output(s) are intended for
catastrophic failure occurs in the unit. safety earthed Signal Output and Intermediate Circuits
only. All DC outputs are SELV under normal and single
Inrush Current fault conditions.
Inrush is limited by internal thermistors. Inrush at 240 Vac
under cold start conditions will not exceed 34 A.
Temperature Coefficient
0.03%/°C typical on all outputs.
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de
32
GPC50 Commercial 50 Watt Multiple Output
Commercial Output Total
Output No. Output Output Minimum Output Peak Noise P-P Notes
Model Maximum Regulation (A)
GPC50A 1 +5 V 0.4 A 5A 7A 50 mV 2%
2 +12 V 0A 2A 3A 120 mV 5% B.C,D
3 -12 V 0A 0.5 A 1A 120 mV 3% D
GPC50F 1 +5 V 0.4 A 5A 7A 50 mV 2%
2 +12 V 0A 1.2 A 1.5 A 120 mV 3% D
3 -12 V 0A 0.5 A 1A 120 mV 3% D
A.Total regulation is defined as the maximum deviation from the nominal voltage for all steady-state conditions of initial voltage setting, input line voltage and output load.
B.To maintain these regulation conditions, the 5.1 V current must be at least 1/4 of V2 and not greater than 5 times the V2 current.
C. Requires +5 V to be adjusted within ±1% with at least a 0.4 A load to maintain regulation on this output since its centering voltage tracks the V1 adjustment.
D. Requires +5 V to have at least a 0.4 A load.
GPC50 MECHANICAL SPECIFICATIONS
Environmental
Operating Non-operating
Specification
Temperature (A) See individual specs -40 to +85oC
Humidity (A) 0 to 95% RH 0 to 95% RH
A. Units should be allowed to warm up/operate under non-condensing conditions
Shock (B) 20 gpk 40 gpk before application of power.
B. Random vibration--10 to 2000Hz, 6dB/octave roll-off from 350 to 2000Hz, 3
Altitude -500 to 10,000 ft -500 to 40,000 ft orthogonal axes. Tested for 10 min./axis operating and 1 hr./axis non-operating.
C. Shock testing--half-sinusoidal, 10 ± 3 ms duration, ± direction, 3 orthogonal axes,
Vibration (C) 1.5 grms, 0.003 g2/Hz 5 grms, 0.026 g2/Hz total 6 shocks.
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de