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LDB75
LED Power Supply
Constant Voltage /Current
LED Power Supplies
75W
LDB Series
FEATURES
? Universal Input: 90-305VAC
? Constant Voltage/Current
? High Efficiency 91%
The LDB75 series of constant voltage/current LED power supplies can
deliver up to 75W output power in an extremely compact package size.
The LDB75 can deliver constant voltage/current 24V, 36V and 48V outputs in a
compact package. At only 28.5mm high, the LDB75 offers the lowest profile LED
driver solution. Furthermore, the LDB75 can operate as a constant current driver
delivering the maximum output current range over the defined voltage range.
? Class II
? IP67 rated
? Class 2 device (UL1310)
? Power Factor: Typical 0.95
? OCP, OVP, SCP, OTP
Output Voltage in Output Current
Model Number Constant Voltage Range in Constant
Mode Voltage Mode
LDB75-024SW 24V 0 - 3.125A
LDB75-036SW 36V 0 - 2.083A
Output Voltage Output Current
Range in in Constant
Constant Current Mode
Current Mode
12 - 24V 3.125A
18 - 36V 2.083A
Efficiency
90.0%
90.5%
? 5 Year Warranty
LDB75-048SW
48V
0 - 1.56A
24 - 48V
1.56A
91.0%
Input Specifications
Parameter
Input Voltage Range
Conditions/Description
Universal Input
Min
90
Nom
Max
305
Units
VAC
Input Frequency Range
Input Current
Inrush Current
Power Factor
240VAC, 75W
240VAC in, 25°C, Cold Start
240VAC, 100VAC
47
0.95
63
0.45
45
Hz
A
A
Output Specifications
Parameter
Conditions/Description
Min
Nom
Max
Units
Line Regulation
Load Regulation
±0.5
±1.5
%
%
Voltage Accuracy
Voltage Range
Current Regulation
Ripple and Noise
Turn-on Delay
Hold Up Time
% of Vout
See individual models
Across Model Voltage Range
20MHz Bandwidth. See Note 1
Measured at 200VAC and full load
15
±2.0
±3.0
2.0
0.5
%
%
% pk-pk
s
ms
Overload Protection
Short Circuit Protection
Auto Recovery
77
85
W
Over Voltage Protection
Auto Recovery
105%
135%
V
Over Temp Protection
Auto Recovery, Case Temperture Range
85
92
100
°C
General Specifications
Parameter
Isolation Voltage
Conditions/Description
Input to Output
Min
3750
Nom
Max
Units
VAC
Efficiency
Safety Agency Approvals
Input to Chassis
See individual models
UL8750, UL1310, CSA C22.2 No.223
Designed to meet EN61347-2-13, EN61347-1
3750
VAC
No load Power Dissipation
MTBF
Lifetime
Measured at 100VAC and 240VAC
Telecordia SR-33, Full Load, 25°C
T case = 60°C
1,000,000
100,000
1.5
W
Hours
Hours
1
Weight
0.66
Kg
Operating Temperature
Storage Temperature
Relative Humidity
Altitude
Vibration
Shock
Maximum T case = 80°C. See Note 2
Non-condensing (operating)
Operating, Non Operating 10,000m
5-500Hz, random vibration
Half-Sine, 11ms duration
-30
-40
5
+50
+85
95
2000
1.0
10
°C
°C
%RH
m
Grms
Grms
Dimensions
Note 1.
Note 2.
L x H x W: 231.0 x 28.4 x 40.0mm
Output connected in parallel with 0.1uF ceramic capacitor and 10uF electrolytic capacitor.
Maximum allowable case temperature is 80°C
Specifications are subject to change without notice
Europe/Asia
North America
Excelsys Technologies Ltd
27 Eastgate Drive
t: +353 21 4354716
f: +353 21 4354864
Excelsys Technologies
519 Interstate 30, #309
t: (972) 771 4544
f: (972) 421 1805
LDB75 Preliminary Datasheet 24 FEB 2012
Eastgate Business Park
Little Island, Cork, Ireland
IRELAND
e: sales@excelsys.com Rockwall, TX 75087
USA
e: salesusa@excelsys.com
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