Constant current LED Drivers
For outdoor use
LGU-50C Series, 50 Watt
FEATURES:
Constant current output
Universal AC input: 90-305VAC
Active power factor correction
Short circuit, over voltage, over temperature protections
Designed to worldwide safety standards for lighting
Cooling by free air convection
3 year warranty
Model
Input voltage
(Vac)
Output current
(mA)
Output voltage
(Vdc)
Output power
(W)
Min.
Max.
LGU50-C350
350
86
143
50.5
LGU50-C450
450
67
111
50
700
43
71
50
1050
29
48
50.4
LGU50-C1400
1400
21
36
50.4
LGU50-C2100
2100
14
24
50.4
LGU50-C700
LGU50-C1050
90-305
Note: 1. Add suffix for dimming option, “D” (0~10V), “P” (PWM), “T” (Timer);
2. Add suffix for package option, blank(default), “W” or “L”. See mechanical specifications.
ELECTRICAL
Input
Parameters
Symbols
Test Conditions / Comment
Min.
Typ.
Max.
Units
Input voltage
Vin
--
90
--
305
Vac
Input frequency
Fline
--
47
--
63
Hz
Input current
Iin
Full load, Vin = 230Vac
--
0.26
--
A
Inrush current
Iinrush
Cold start, Vin = 230Vac
--
35
--
A
Power factor
PF
70%~100% load, Vin = 230Vac
--
0.96
--
PF
η
Full voltage, full load
--
90
--
%
Efficiency
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Page: 1 / 4
Date: 02/21/2014
Constant current LED Drivers
For outdoor use
LGU-50C Series, 50 Watt
ELECTRICAL
Output
Parameters
Symbols
Test Conditions / Comment
Min.
Typ.
Max.
Units
--
--
--
5
--
%
LGU50-C350
--
--
163
V
LGU50-C450
--
--
130
V
LGU50-C700
--
--
83
V
LGU50-C1050
--
--
56
V
LGU50-C1400
--
--
41
V
LGU50-C2100
--
--
29
V
Output current accuracy
No load out voltage
VNO-Load
Line regulation
Iout-line
Vin from 90Vac to 305Vac
--
--
1
%
Load regulation
Iout-load
Vout from min. to max.
--
--
3
%
Iover-shoot
Turning power on
--
--
10
%
Ton_delay
Cold start, power on
--
--
2
S
--
--
--
20
--
%
Output Current
overshoot
Turn-on delay time
Ripple
Protection
Over voltage
115~150% rated output voltage. In latch mode, the power supply shall return to normal
operation only after the power is turned on again.
Short circuit
In hiccup mode, it will recover automatically after fault conditions are removed.
Over temperature
Typ. 110
℃
Environment
Storage
Ambient operating
temperature
Maximum case
temperature
Operating relative
humidity
MTBF
Dimension(LxWxH)
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Tstorage
Humidity: 5% RH to 95% RH
-40
--
+85
℃
Ta
Startup at rated voltage
-35
--
+70
℃
Tc
Hot-spot on case
--
--
+80
℃
Ha
Non condensing
10
--
95
%
--
400
--
kHrs
TMTBF
Full load, 220Vac input,
℃
25
ambient temperature
L: 193x43.5x34.5mm/W: 127x67.5x36.5mm
Page: 2 / 4
Date: 02/21/2014
Constant current LED Drivers
For outdoor use
LGU-50C Series, 50 Watt
ELECTRICAL
Safety / EMC
Safety standards
UL8750, UL935, UL1012, UL1310 CLASS 2, EN61347-1, EN61347-2-13
EMC
EN55015, FCC Part 15 Class B, EN61000-3-2, EN61000-3-3, EN61000-4-2,3,4,6,8,11, EN61547
Notes: Unless otherwise specified, all the above parameters are measured at ambient temperature of 25
Vin = 90Vac to 305Vac.
℃
and
MECHANICAL
PACKAGE TYPE “L”
Unit: mm
PACKAGE TYPE “W”
Unit: mm
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Page: 3 / 4
Date: 02/21/2014
Constant current LED Drivers
For outdoor use
LGU-50C Series, 50 Watt
DERATING CURVE
STATIC CHARACTERISTIC CURVE
100
90
80
Load
)
% 70
(
60
50
40
30
- 30 - 15
0
15
30 40
50 60 70
90
Temperature(℃)
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120 150 180 210 240 270 300 330
Input voltage ( Vac )
Page: 4 / 4
Date: 02/21/2014