LDH-45
DC-DC Step-Up Constant Current LED driver
series
User’s Manual
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SPECIFICATION
MODEL
RATED CURRENT
OUTPUT
INPUT
LDH-45B-350
LDH-45B-500
LDH-45B-700
LDH-45B-1050
1050mA
CURRENT ACCURACY(Typ.) ±5% at 12VDC input
12~86VDC
12~86VDC
VOLTAGE RANGE Non-DALI
Note.2
24~86VDC
24~86VDC
DALI
12~64VDC
12~43VDC
21~126VDC
21~86VDC
21~64VDC
21~43VDC
24~64VDC
24~43VDC
36~126VDC
36~86VDC
36~64VDC
36~43VDC
NO LOAD OUTPUT VOLTAGE(max.) 100V
100V
75V
50V
146V
100V
75V
50V
30.1W
RATED POWER
RIPPLE & NOISE (max.) Note.3 2.5Vp-p
43W
44.8W
45.15W
43W
44.8W
45.15W
2.5Vp-p
1.9Vp-p
1.9Vp-p
44.1W
2.5Vp-p
1.7Vp-p
1.2Vp-p
1.2Vp-p
94%
2.1A
95%
95%
2A
2A
RATED VOLTAGE
12VDC
VOLTAGE RANGE Note.2
EFFICIENCY (max.)
9~18VDC
91%
2.8A
24VDC
18~32VDC
90%
90%
91%
93%
4.1A
4.2A
4.2A
2.1A
Leave open if not used
Power ON with dimming: PWM signal >2~8VDC or open circuit, between PWM DIM and DIMPower OFF : PWM signal 0.25~8VDC or open circuit, between Analog DIM and DIM-
DIM INPUT VOLTAGE RANGE
Power off : DC input
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