LDD-500L [MEANWELL]
DC-DC Constant Current LED driver; DC-DC恒流LED驱动器
| 型号： | LDD-500L |
| 厂家： | 
MEAN WELL ENTERPRISES CO., LTD. |
| 描述： | DC-DC Constant Current LED driver |
| 文件： | 总3页 (文件大小：159K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DC-DC Constant Current LED driver
LDD-L series
Features :
Constant current output: 300mA to 700mA
Wide input voltage: 9 ~ 36VDC
Wide output LED string voltage: 2 ~ 32VDC
High efficiency up to 95%
DC/DC step-down converter
Built-in EMI filter, comply with EN55015 and FCC part15 without
additional input filter and capacitors
Built-in PWM and remote ON/OFF control
Protections: Short circuit / Over temperature
Cooling by free air convection
Fully encapsulated with IP67 level
Compact size
Low cost, high reliability
Suitable for driving illumination LED
3 years warranty
LDD-350L
Blank : pin style
W
W
: wire style
SPECIFICATION
ORDER NO.
LDD-300L
LDD-350L
LDD-500L
LDD-600L
LDD-700L
CURRENT RANGE
300mA
350mA
500mA
600mA
700mA
VOLTAGE RANGE
2 ~ 32VDC
5% at 24VDC input
150mVp-p
CURRENT ACCURACY (Typ.)
RIPPLE & NOISE(max.) Note.2
SWITCHING FREQENCY
EXTERNAL CAPACITANCE LOAD (max.)
OUTPUT
150mVp-p
150mVp-p
200mVp-p
200mVp-p
40KHz ~ 1000KHz
2.2uF
9 ~ 36VDC
VOLTAGE RANGE
EFFICIENCY (max.)
95% at full load and 24VDC/36VDC input
350mA
INPUT
500mA
600mA
700mA
Full load Note.3 300mA
DC CURRENT
FILTER
No load
10mA
Capacitor
Leave open if not use
PWM
Power ON with dimming: DIM ~ -Vin >3.5 ~ 8VDC or open circuit
Power OFF : DIM ~ -Vin < 0.5VDC or short
100 ~ 1KHz
REMOTE ON/OFF
DIMMING
&
PWM FREQUENCY
ON/OFF
CONTROL
QUIESCENT INPUT CURRENT
IN SHUTDOWN MODE(max.)
1mA at PWM dimming OFF and 24VDC input
Regulated at rated output current
SHORT CIRCUIT
Protection type: Can be continued, recovers automatically after fault condition is removed
Tj 150 typically(IC1) detect on main control IC
Protection type : Shut down, recovers automatically after temperature goes down
-40 ~ + 85 (Refer to derating curve)
PROTECTION
OVER TEMPERATURE
WORKING TEMP.
20% ~ 90% RH non-condensing
WORKING HUMIDITY
STORAGE TEMP., HUMIDITY
TEMP. COEFFICIENT
VIBRATION
-55 ~ +125 , 10 ~ 95% RH
ENVIRONMENT
0.03% /
10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
100
OPERATING CASE TEMP. (max.)
EMI CONDUCTION & RADIATION
EMS IMMUNITY
Compliance to EN55015, FCC part 15 class B
Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A
EMC
2000Khrs min. MIL-HDBK-217F (25
)
MTBF
DIMENSION
22.6*9.9*8.9mm or 0.89"*0.39"*0.33" inch (L*W*H)
LDD-L:4g ; LDD-LW:7.3g
OTHERS
NOTE
WEIGHT
Expoxy(UL94-V0)
POTTING MATERIAL
1.All parameters are specified at normal input(24VDC), rated load, 25 70% RH ambient.
2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uf capacitor.
3.Test condition: 24VDC input.
File Name:LDD-L-SPEC 2012-03-01
DC-DC Constant Current LED driver
LDD-L series
Pin Configuration
Mechanical Specification
Unit: mm (inch)
Blank type(LDD
-
L):
3.81 [ 0.15 ]
Pin No. Output
Comment
DC Supply
9.9 [0.39]
1
+Vin
1
3 4
ON/OFF and PWM
Dimming
2.54 [0.10]
3
PWM DIM
(Leave open if
not used)
SIDE
VIEW
BOTTOM
VIEW
Don't connect
to -Vout
4
-Vin
5
6
-Vout
LED - Connection
6
5
+Vout LED + Connection
8.9 [0.33]
7.62[0.30]
NOTE:Pin size tolerance 0.60
0.05mm
-
LW):
W type(LDD
8.9[0.35]
9.9 ( 0.39 )
Pin No. Output
Comment
+Vin
(Red)
1
DC Supply
1
3
4
4
ON/OFF and PWM
Dimming
(Leave open if
not used)
3
PWM DIM
(White)
BOTTOM
VIEW
SIDE
VIEW
-Vin
(Black)
Don't connect
to -Vout
4
5 2mm
-Vout
(Blue)
6
5
5
6
LED - Connection
LED + Connection
5
+Vout
(Yellow)
100 10mm
PWM Dimming Control
Derating Curve
ON
ON
ON
H
PWM
Signal
OFF
OFF
100~1KHz
OFF
100
75
L
85 for
300~500mA
71 for 600~700mA
Max
0
50
25
Output
Current
-40
0
25
50
71 85 100
During PWM dimming operation, the output current will change to
PWM style.
Ta (
)
100
Tol : 3%(Typ.)
75
50
25
0
25
50
75
100
Duty Cycle (%)
File Name:LDD-L-SPEC 2012-03-01
DC-DC Constant Current LED driver
LDD-L series
Standard Application
+Vin
+Vout
1st LED
PWM
H
L
LDD-L
Dimming
Last LED
-Vin
-Vout
H: >3.5~8VDC or open circuit
L: <0.5VDC or short
Efficiency VS Output Voltage(Number of LEDs)
Fig-1
12VDC input, 1~3 LEDs(Vf=3V)
Fig-2
24VDC input, 1~7 LEDs(Vf=3V)
300mA
350mA
500mA
600mA
700mA
100%
10
0
%
95%
95%
300mA
350mA
500mA
600mA
700mA
90%
9
0%
85%
85%
80%
80%
75%
75%
70%
70%
1
2
3
4
5
6
7
1
2
3
Output Voltage(LEDs)
Output Voltage(LEDs)
Fig-3
36VDC input, 1~10 LEDs(Vf=3V)
300 mA
350 mA
500 mA
600 mA
700 mA
100%
95%
9
%
0
85%
80%
75%
70%
65%
10
1
2
3
4
5
6
7
8
9
Output Voltage(LEDs)
File Name:LDD-L-SPEC 2012-03-01
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