GSC18B
18W Single Output LED Power Supply
s e r ie s
■  
‧        
‧    
‧   
‧  
‧  
‧    
‧   
‧ Ⅱ    
‧    
‧   
‧   
‧         
‧  



SPECIFICATION
MODEL
IP30
     
GSC18B-350
GSC18B-500
GSC18B-700
GSC18B-1050
GSC18B-1400
350mA
500mA
700mA
1050mA
1400mA
18 ~ 36V
13 ~ 26V
8 ~ 17V
6 ~ 13V
RATED POWER
18.2W
RIPPLE & NOISE (max.) Note.2 4.6Vp-p
18W
3Vp-p
18.2W
2.5Vp-p
17.9W
1.5Vp-p
18.2W
1Vp-p
NO LOAD OUTPUT VOLTAGE (max.) 63V
50V
35V
25V
18V
RATED CURRENT
OPERATING VOLTAGE RANGE Note.4 26 ~ 52V
CURRENT ACCURACY Note.3 ±8.0%
OUTPUT
SETUP TIME
INPU T
VOLTAGE RANGE
90 ~ 277VAC
FREQUENCY RANGE
POWER FACTOR (Typ.)
47 ~ 63Hz
PF>0.98/115VAC, PF>0.92/230VAC, PF>0.91/277VAC at full load (Please re fer to "Power Factor Characteristic" curve)
TOTAL HARMONIC DISTORTION Total harmonic distortio n will be lo wer than 2 0% when output loading is 75% or higher
88%
0.6A/115VAC
INRUSH CURRENT(max.)
COLD START 15A(twidth=75μs measured at 50% Ipeak) at 230VAC
PROTECTION SHORT CIRCUIT
WORKING TEMP.
WORKING HUMIDITY
ENVIRONMENT STORAGE TEMP., HUMIDITY
TEMP. COEFFICIENT
EMC
NOTE
86%
85%
84%
0.2A/277VAC
<0.5mA / 240VAC
Hiccup mode, recov ers automatically after fault condition is removed.
-30 ~ +50℃ (Refer to "Derating Curve")
20 ~ 95% RH non-condensing
-40 ~ +80℃, 10 ~ 95% RH
±0.03%/℃ (0 ~ 50℃)
10 ~ 500Hz, 2G 12min./1cycle, period for 72min. each along X, Y, Z axes
SAFETY STANDARDS
UL8750 listed, CSA C22.2 No. 250.13-12(except for 350/500mA), TUV EN613471, EN61347-2-13 listed, EN62384 approved
WITHSTAND VOLTAGE
I/P-O/P:3.75KVAC
ISOLATION RESISTANCE
I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
Compliance to EN55015, EN61000-3-2 Class C (≧50% load) ; EN61000-3-3, FCC part 15 non-consumer equipment
Compliance to EN61000-4-2,3,4,5,6,8,11, EN55024,EN61547, light industry level, criteria A
EMC EMISSION
DIMENSION
PACKING
CONNECTOR
87%
0.3A/230VAC
VIBRATION
EMC IMMUNITY
MTBF
OTHERS
127 ~ 392VDC
EFFICIENCY (Typ.)
AC CURRENT (Typ.)
LEAKAGE CURRENT
SAFE TY &
500ms / 230VAC 500ms / 115VAC at full load
PLUG
CABLE
K hrs min.
MIL-HDBK-217F (25℃)
79*54*33mm (L*W*H)
Kg
2.1ψ * 5.5ψ * 11mm, tuning fork type, center positive for stock
See page 2
              ℃   
                       
           
                       
        
              
File Name:GSC18B-SPEC 2013-11-28
GSC18B
18W Single Output LED Power Supply
Mechanical Specification
s e r ie s
Unit:mm
UL1185 18AWG 1800±50mm
TBD
70±10mm
POWER LED
TBD
C"+"
T case
11±0.5mm
ID 2.1 x OD 5.5
NAME PLATE
※ T case: Max. Case Tempera ture.
33
79
Block Diagram
fosc : 67KHz
EMI FILTER
&
RECTIFIERS
I/P
RECTIFIERS
&
FILTER
POWER
SWITCHING
O.L.P.
+V
-V
PWM & PFC
CONTROL
Derating Curve
Static Characteristics
100
100
90
80
80
70
60
60
40
50
20
-30
40
-20
-10
0
15
30
40
AMBIENT TEMPERATURE (℃)
50
60
(HORIZONTAL)
90
100
125
135
145
155 165
175
180
200
230
277
INPUT VOLTAGE (V) 50 / 60Hz
File Name:GSC18B-SPEC 2013-11-28
GSC18B
18W Single Output LED Power Supply
s e r ie s
Power Factor Characteristic
Constant Current Mode
1 .0 0
0 .9 8
0 .9 6
0 .9 4
0 .9 2
0 .9 0
0 .8 8
0 .8 6
0 .8 4
0 .8 2
0 .8 0
0 .7 8
2 7 7 V ac
2 3 0 V ac
1 1 5 V ac
50%
60 %
70%
80%
90%
1 00 %
(18W)
LOAD
EFFICIENCY vs LOAD (GSC18B-350)
GSC18B seri es possess super ior wor ki ng effi ciency that up to 88% c an be reached in field applicatio ns.
90
86
82
78
74
70
66
62
58
54
50
46
277Vac
230Vac
115Vac
10%
20%
30%
40%
50%
60%
70%
80%
90% 100%
LOAD
AC input voltage drop vs. Output current characteristics
AC input drop
10%
8%
5%
3%
Io drop
<18%
<13%
<8%
<6%
Note : Output current will return to the rated value within 40ms
File Name:GSC18B-SPEC 2013-11-28