GLOBAL PERFORMANCE SWITCHERS
GLC75 Commercial/GLM75 Medical
75 Watt Multiple Output Global Performance Switchers
FEATURES:
• Cost-effective multiple output power source
• Universal input 90-264 Vac
• 7.00”x 4.25”x 1.30” (Meets 1U height)
• 2-year warranty
• Conducted EMI exceeds FCC Class B and CISPR 22
Class B (Commercial models) and CISPR 11 Class B
(Medical models)
• Complies with EN61000-3-2 Class A
• Also available in single output versions
• Commercial UL1950 3rd Edition, CSA22.2 No. 950 and
EN60950-1 approvals
• Medical Approved to UL2601-1,
CSA22.2 No. 601.1-M90, and IEC/EN60601-1
• RoHS Compliant Model Available (G suffix)
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 not to
exceed 2.3 A.
Output Power
Normal continuous output power is 75 W for unrestricted natural convection
cooling or 110 W with 26 cfm airflow. During peak load conditions output
regulation may exceed total regulation and noise limits.
Output Regulation
Measured by ±40% load change from 60% rated load with all other outputs
at 60% rated load and input voltage change from minimum to maximum rat-
ings. Output #1 requires 1A minimum load for proper regulation of other
outputs. Initial set tolerance is measured with all outputs at 60% of full rated
load. Output #2 requires 0.5A minimum load for proper regulation.
Overload Protection
Factory set to begin power limiting at approximately 120 W. Fully protected
against short circuit and output overload. Short circuit protection is cycling
type power limit.
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
Main Output: 500μSec typical response time for return to within 0.5% of final
value for a 50% load step change, ∆i/∆t<0.2A/μSec. Maximum voltage devia-
tion is 3.5%.
Overvoltage Protection
Built in on V1 with firing point set per table. OVP firing reduces output #1 and
#2 to less than 50% of nominal voltage in 50 ms.
Voltage Adjust
Factory set on standard unit; however, optional potentiometer (“-V” suffix)
adjusts voltage from 4.7 V to OVP point (6.2 V nominal) on the +5 V output.
Note: Output #1 must not be more than 1% below nominal to achieve full
output voltage range on Output #2. Output regulation limits in some models
may be exceeded when the main output is adjusted beyond +1% of nominal
voltage. High voltage settings may degrade the reliability of the unit due to
excessive power dissipation in some outputs.
Efficiency
68% -78% depending on model and load distribution.
Input Protection
Internal ac fuse provided on all units. Designed to blow only if a catastrophic
failure occurs in the unit.
Inrush Current
Inrush limited by internal thermistors. Inrush at 240 Vac, averaged over the first ac
half-cycle under cold start conditions will not exceed 37 A.
Hold Up Time
20 ms minimum from loss of ac input power at full load, nominal line (120 Vac).
Temperature Coefficient
0.03%/°C typical on all outputs.
Power Fail
A standard TTL or CMOS compatible output goes low (< 0.5 V) 5ms before output
voltage drops more than 4% below nominal voltage upon loss of ac power. Signal
is factory set to trip on 84 to 94 Vac brown-out depending upon incoming line
impedance and distortion. Other settings are available through adjustment of
built-in potentiometer (consult factory for assistance). Output will stay low for 20
ms minimum.
EMI/EMC Compliance
All models include built-in EMI filtering to meet the following emissions requirements:
EMI SPECIFICATIONS
Conducted Emissions GLC75
Conducted Emissions GLM75
Static Discharge
RF Field Susceptibility
Fast Transients/Bursts
Surge Susceptibility
Line Frequency Harmonics
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.
EN61000-3-2 Class A
Commercial Safety
All GLC models are approved to UL1950 3rd Edition, CSA22.2 No. 950, and
EN60950-1.
Medical Leakage Current
70 μA 264 V @ 50 Hz (normal conditions).
Medical Safety
GLM models are approved to UL2601-1, CSA22.2 No. 601.1M90, IEC/EN60601-1. CB
Report available.
All specifications are typical at nominal input, full load at 25
O
C unless otherwise stated
Commercial
Model
GLC75A
Medical
Model
GLM75A
RoHS
Suffix*
G
Output
No.
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4(C)
1
2
3
4
Output
+5.1 V
+12 V
-12 V
+12 V
+5.1 V
+12 V
-5 V
+12 V
+5.1 V
+12 V
-15 V
+15 V
+5.1 V
+24 V
-12 V
+12 V
+5.1 V
+24 V
-15 V
+15 V
+5.1 V
+15 V
-5 V
-15 V
+5.1 V
+15 V
-15 V
+15 V
+5.1 V
+12 V
-12 V
5V
+5.1 V
+24 V
-12 V
+12 V
Output
Minimum
1A
0.5 A
0A
0A
1A
0.5 A
0A
0A
1A
0.5 A
0A
0A
1A
0.5 A
0A
0A
1A
0.5 A
0A
0A
1A
0.5 A
0
0
1A
0.5 A
0
0
1A
0.5 A
0
0
1A
0.5 A
0A
0A
Output
Maximum (A)
8A
2.5 A
1A
2.5 A
8A
2.5 A
1A
2.5 A
8A
2.5 A
1A
2.5 A
8A
2.5 A
1A
2.5 A
8A
2.5 A
1A
2.5 A
8A
2.5 A
1A
2.5 A
8A
2.5 A
1A
2.5 A
8A
2.5 A
1A
2.0 A
8A
4A
1A
2.5 A
Output
Maximum (B)
10 A
3A
1A
3A
10 A
3A
1A
3A
10 A
3A
1A
3A
10 A
2.5 A
1A
3A
10 A
2.5 A
1A
3A
10 A
3A
1A
3A
10 A
3A
1A
3A
10 A
3A
1A
3A
10 A
4A
1A
3A
Output
Peak
12 A
4A
1.2 A
4A
12 A
4A
1.2 A
4A
12 A
4A
1.2 A
4A
12 A
3.5 A
1.2 A
4A
12 A
3.5 A
1.2 A
4A
12 A
4A
1.2 A
4A
12 A
4A
1.2 A
4A
12 A
4A
1.2 A
4A
12 A
4.5 A
1.2 A
4A
V1 OVP Set
6.2 ± 0.6 V
Noise P-P
50 mV
120 mV
120 mV
120 mV
50 mV
120 mV
50 mV
120 mV
50 mV
120 mV
150 mV
150 mV
50 mV
240 mv
120 mV
120 mV
50 mV
240 mV
150 mV
150 mV
50 mV
150 mV
50 mV
150 mV
50 mV
150 mV
150 mV
150 mV
50 mV
120 mV
120 mV
50 mV
50 mV
240 mv
120 mV
120 mV
Regulation
2%
+10%,-5% (D)
3%
2%
2%
+10%,-5% (D)
3%
2%
2%
+10%,-5% (D)
3%
2%
2%
+10%,-5% (D)
3%
2%
2%
+10%,-5% (D)
3%
2%
2%
+10%,-5% (D)
3%
2%
2%
+10%,-5% (D)
3%
2%
2%
+10%,-5% (D)
3%
2%
2%
+10%,-5% (D)
3%
2%
GLC75B
GLM75B
G
6.2 ± 0.6 V
GLC75C
GLM75C
G
6.2 ± 0.6 V
GLC75D
GLM75D
G
6.2 ± 0.6 V
GLC75E
GLM75E
G
6.2 ± 0.6 V
GLC75F
GLM75F
G
6.2 ± 0.6 V
GLC75H
GLM75H
G
6.2 ± 0.6 V
GLC75J
GLM75J
G
6.2 ± 0.6 V
GLC75P
GLM75P
G
6.2 ± 0.6 V
* Add “G” suffix to part number for RoHS compliant model. Contact factory for availability.
A. Rating with unrestricted convection cooling. Total power not to exceed 75 W.
B. Rating with 26 cfm forced-air cooling. Total power not to exceed 110 W.
C. Floating fourth output can be referenced as either positive or negative. Connect pin 12 to Return to provide a positive voltage at Pin 13. Connect pin 13 to Return to
provide a negative voltage at Pin 12.
D. To maintain these regulations conditions, the +5V current must be at least 1/5 of V2 and not greater than 5 times the V2 current. Requires +5V to be adjusted to within
1% with at least a 1 A load to maintain regulation on this output.
GLC75/GLM75 - MULTIPLE OUTPUT - MECHANICAL SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
Temperature (A)
Humidity (A)
Shock (B)
Altitude
Vibration (C)
OPERATING
0 to 50°
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
conditions 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, Inc., 6050 King Drive, Bldg. A, Ventura, CA 93003, USA. Phone:(805) 486 4565 Fax:(805) 487 8911 www.slpower.com Rev. 9-23-10.
Data Sheet © 2010 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.
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