LDD-500L 데이터 시트보기 (PDF) - Mean Well Enterprises Co., Ltd.
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LDD-500L Datasheet PDF : 6 Pages
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DC-DC Constant Current Step-Down LED driver
LDD-L series
Reflow Soldering Curve (for LDD-300~1500LS)
Peak. Temp 240℃
240
10 sec. M ax.
220
220℃
60 sec. Max.
(>220℃)
150
100
50
0
Time(sec.)
Remark : The curve applies only to the " Hot Air Reflow Soldering"
PWM Dimming Control (for 300~1500mA)
Derating Curve
100
75
71℃ for 600~1500mA
50
25
85℃ for
300~500mA
-40
0 25 50 71 85 100
Ta (℃)
Io Adjustment by PWM signal :
+ Vin
P WM
H
L
Dimming
LDD-300~1500L
-Vin
+Vout
1st LED
Last LED
-Vout
300 ~ 700mA :
H: > 3.5~8VDC or open circuit
L: < 0.5VDC or short
1000 ~ 1500mA :
H: > 2.6~5.5VDC or open circuit
L: < 0.4VDC or short
H(5V) ON ON ON
{PWM
Si gnal
OFF OFF OFF
L(0V)
100~1KHz
Max
{Output
Cu rrent
0
PWM Frequency :
300~700mA : 100~ 1KHz
1000~ 1500mA : 100~500Hz
◎ During PWM dimming operation, the output current will change to
PWM s tyle.
100
Tol : ±3%(Typ.)
75
50
25
0
25
50
75
100
Duty Cycle (%)
Analog Dimming Control for 1000~ 1500mA only
Io Adjustment by DC voltage :
+ Vin
+Vout
Dimming
LDD-1000~1500L
0.5~2.5VDC
1st LED
Last LED
-Vin
12 0%
10 0%
80%
60%
40%
20%
0%
24Vdc input
-Vout
1 500 mA
1 200 mA
1 000 mA
Voltage control(0.5~2 .5VDC)
File Name:LDD-L-SPEC 2013-10-14
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