F:\\\271\346\270\361\312\351\\00 LED driver\\LF Series\\LFU

Constant current LED Drivers
For outdoor use
LFU-20C Series, 20Watt
FEATURES:
Constant current output
Universal AC input range
Active power factor correction
Short circuit and over voltage protections
Designed to worldwide safety standards for lighting
Cooling by free air convection
Class , no FG
100% burn-in test
2 year warranty
Ⅱ
Model
Input voltage
(Vac)
LFU20-C350
LFU20-C500
90-264
LFU20-C700
Output voltage
(Vdc)
Output current
(mA)
Output power
(W)
Min.
Max.
350
28
57
20
500
20
40
20
700
14
29
20.3
ELECTRICAL
Input
Parameters
Symbols
Test Conditions / Comment
Min.
Typ.
Max.
Units
Input voltage
Vin
--
90
--
264
Vac
Input frequency
Fline
--
47
--
63
Hz
Input current
Iin
Full load, Vin =230Vac
--
--
0.13
A
Inrush current
Iinrush
Cold start, Vin =230Vac
--
--
35
A
Power factor
PF
70%~100% load, Vin =230Vac
--
0.9
--
PF
η
Full voltage, full load
--
84
--
%
Ton_delay
Cold start, power on
--
--
2
S
LFU20-C350
332
350
368
mA
LFU20-C500
475
500
525
mA
LFU20-C700
665
700
735
mA
Efficiency
Turn-on delay time
Output
Output current
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Iout
Page: 1 / 3
Date: 05/22/2014
Constant current LED Drivers
For outdoor use
LFU-20C Series, 20Watt
ELECTRICAL
Output
Parameters
Output voltage
No Load Output Voltage
Symbols
Test Conditions / Comment
Min.
Typ.
Max.
Units
LFU20-C350
28
--
57
V
LFU20-C500
20
--
40
V
LFU20-C700
14
--
29
V
LFU20-C350
--
--
68
V
LFU20-C500
--
--
48
V
LFU20-C700
--
--
34
V
Vout
VNO-Load
Line regulation
Iout-line
Vin from 90Vac to 264Vac
--
--
3
%
Load regulation
Iout-load
Vout from min. To max.
--
--
3
%
Iovershoot
Turning Power ON
--
--
10
%
--
--
--
--
40
%
Output Current
Overshoot
Ripple
Protection
Overvoltage
Same as VNO-Load
Short circuit
Hiccup mode, it will recover automatically after fault condition is removed
Environment
Storage
Ambient operating
temperature
Maximum case
temperature
Operating relative
humidity
MTBF
Tstorage
Humidity: 5% RH to 95% RH
-40
--
+85
℃
Ta
Startup at rated voltage
-25
--
+70
℃
Tc
Hot-spot on case
--
--
+80
℃
Ha
Non condensing
10
--
95
%
400
--
--
kHrs
TMTBF
Full load, 220Vac input,
℃
25
ambient temperature
Dimension(LxWxH)
118x35x26mm
Safety / EMC
Safety standards
UL8750, EN61347-1, EN61347-2-13
EMC
EN55015, EN61000-3-2, EN61000-3-3, EN61000-4-2, 3, 4, 6, 8, 11, EN61547
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Date: 05/22/2014
Constant current LED Drivers
For outdoor use
LFU-20C Series, 20Watt
ELECTRICAL
Notes: 1.Unless otherwise specified, all the above parameters are measured at ambient temperature of 25
and Vin = 230Vac, rated load.
2.Ripple & Noise are measured at 20MHZ of bandwidth by using a 12” twisted pair-wire terminated with a
0.1μF & 47μF parallel capacitor;
℃
MECHANICAL
Unit: mm
RECOMMENDED INSTALLATION
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Page: 3 / 3
Date: 05/22/2014