GLC50 Commercial/GLM50 Medical
50 WATT GLOBAL PERFORMANCE SWITCHERS
GLOBAL PERFORMANCE SWITCHERS
Features:
• Cost-effective power source
• Universal input 90-264 Vac
• 2-year warranty
• Compact (4.25” x 2.50” x 1.25”; meets
1U applications)
• Overload and overvoltage protection
• Conducted EMI exceeds FCC Class B and
CISPR 22 Class B (Commercial models) and
CISPR 11 Class B (Medical models)
• Commercial UL/CSA/IEC60950-1, EN60950 approvals
• Medical UL/EN/IEC60601-1, CSA22.2 No. 601,
• RoHS compliant models available (G suffix)
•
marked to LVD
SPECIFICATIONS
Ac Input
90-264 Vac, 47-63 Hz single phase..
Input Current
Maximum input current at 120 Vac, 60 Hz with full rated output load: 1.5 A
Hold-Up Time
15 ms minimum from loss of ac input at full load, nominal line (115 Vac).
Output Power
50 W continuous, 60 W peak. Peak ratings are for 60 s maximum duration,
10% duty cycle. During peak load condition, output regulation may exceed
total regulation limits.
Output Regulation
To maintain specified regulation on multi-output models, output #1 load
power must be at least 1/5th of, and not greater than 5 times output #2 load
power.
Overload Protection
Fully protected against short circuit and output overload. Short circuit pro-
tection is cycling type power limit on outputs 1 & 2; foldback type on output
3. Recovery after fault is automatic. See output ratings chart for additional
notes or conditions.
Efficiency
70-85% at full rated load, nominal input voltage, depending on model and
load distribution.
Minimum Load
Operating without minimum load will not degrade reliability, but regula-
tion may be affected. Multiple output models require 20% minimum load
on V1 for proper regulation. Single models require 5% minimum load when
a transient load greater than 30% is applied or removed, but will operate
without load.
Input Protection
Internal ac fuse provided. Designed to blow only if a catastrophic failure oc-
curs in the unit—fuse does not blow on overload or short circuit.
Inrush is limited by internal thermistors. Inrush at 240 Vac,
averaged over the first ac half-cycle under cold start
conditions will not exceed 37 A.
Temperature Coefficient
0.03%/°C typical on all outputs.
Output Noise
0.5% rms, 1% pk-pk, 20 MHz bandwidth, differential mode. Measured with noise
probe directly across output terminals of the power supply.
Transient Response
500 μs typical response time for return to within 0.5% of final value for a 50% load
step change. ∆i/∆t<0.2 A/μs. Maximum voltage deviation is 3.5%. Startup/shut-
down overshoot less than 3%.
Voltage Adjustment
Built-in potentiometer adjusts V1 ±5%.
EMI/EMC Compliance
All models include built-in EMI filtering to meet the following emissions require-
ments:
EMI SPECIFICATIONS
Conducted Emissions GLC
Conducted Emissions GLM
Static Discharge
RF Field Susceptibility
Fast Transients/Bursts
Surge Susceptibility
COMPLIANCE LEVEL
EN55022 Class B; FCC Class B
EN55011 Class B; FCC Class B
EN61000-4-2, 6 kV contact, 8 kV air
EN61000-4-3, 3 V/meter
EN61000-4-4, 2 kV, 5 kHz
EN61000-4-5, 1 kV diff., 2 kV com.
DC Power Supplies
Commercial Leakage Current
160 μA 254 Vac @ 60 Hz input (with no deviations).
Commercial Safety
All GLC models are approved to UL1950, CSA22.2 No.
234 Level 3, IEC950 and EN60950.
Medical Leakage Current
100 μA 264 Vac @ 60 Hz input (normal conditions).
Medical Safety
All GLM50 models are approved to UL/EN/IEC60601-1, CSA22.2 No. 601.
All specifications are typical at nominal input, full load at 25
O
C unless otherwise stated
Commercial
Model
GLC50A
Medical
Model
GLM50A
Output No.
1
2
3
Output
+5.05 V
+12 V
-12 V
+5.05 V
+15 V
-15 V
+5.05 V
+24 V
-12 V
+3.3 V
+12 V
-12 V
3.3 V
5.1 V
12 V
15 V
24 V
28 V
48 V
Current
4A
2.5 A
0.2 A
4A
2.5 A
0.2 A
4A
1.5 A
0.2 A
4A
2.5 A
0.2 A
8A
8A
4.2 A
3.3 A
2.1 A
1.8 A
1.1 A
Minimum
Load (B)
0.8 A
OVP Setpoint
6.2 ± 0.6 V
Noise P-P
50 mV
120 mV
120 mV
Total
Regulation (A)
2%
+10%,-5%
3%
2%
+10%,-5%
3%
2%
+10%,-5%
3%
2%
+10%-5%
3%
2%
2%
2%
2%
2%
2%
2%
GLC50B
GLM50B
1
2
3
0.8 A
6.2 ± 0.6 V
50 mV
150 mV
150 mV
GLC50D
GLM50 D
1
2
3
0.8 A
6.2 ± 0.6 V
50 mV
240 mV
120 mV
GLC50G
GLM50G
1
2
3
0.8 A
4.2 ± 0.6 V
33 mV
120 mV
120 mV
GLC50-3.3
GLC50-5
GLC50-12
GLC50-15
GLC50-24
GLC50-28
GLC50-48
GLM50-3.3
GLM50-5
GLM50-12
GLM50-15
GLM50-24
GLM50-28
GLM50-48
1
1
1
1
1
1
1
0.2
0.4
0.2
0.16
0.1
0.09
0.05
4.2 ± 0.6 V
6.2 ± 0.6 V
14 ± 1.1 V
18.5 ± 1.5 V
28 ± 2.5 V
34.5 ± 2.8 V
54 ± 3.0 V
66 mV
75 mV
120 mV
150 mV
240 mV
280 mV
480 mV
Notes:
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 specified regulation on multi-output models, output #1 load power must be at least 1/5th of, and not greater than 5 times output #2 load power.
C. Add “G” suffix to model number for RoHS compliant model.
GLC50 MECHANICAL SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
Temperature (A)
Humidity (A)
Shock (B)
Altitude
Vibration (C)
OPERATING
0 TO 50°C
0 to 95% RH
20 g
pk
-500 to 10,000 ft
1.5 g
rms’
0.003 g
2
/Hz
NON-OPERATING
-40 to +85°C
0 to 95% RH
40 g
pk
-500 to 40,000 ft
5 g
rms’
0.026 g
2
/Hz
A. Units should be allowed to warm up/operate under non-condensing condi-
tions before application of power. derate output current and total output
power by 2.5% per °C above 50°C.
B. Shock testing—half-sinusoidal, 10 ± 3 ms duration, ± direction, 3 orthogonal
axes, total 6 shocks.
C. Random vibration—10 to 2000Hz, 6dB/octave roll-off from 350 to 2000Hz, 3
orthogonal axes. Tested for 10 min./axis operating and 1 hr./axis non-operating.
SL Power Electronics Corp, 6050 King Drive, Bldg. A, Ventura, CA 93003, USA. Phone:(805) 486 4565 Fax:(805) 487 8911 www.slpower.com. Rev. 1/07.
Data Sheet © 2007 SL Power Electronics Corp. The information and specifications contained in this data sheet are believed to be correct at time of publication.
However, Condor accepts no responsibility for consequences arising from reproduction errors or inaccuracies. Specifications are subject to change without notice.
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