Mean Well LDD-700L Dc-dc constant current led driver Datasheet

LDD-L
DC-DC Constant Current LED driver
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
SPECIFICATION
ORDER NO.
OUTPUT
LDD-300L
LDD-350L
LDD-500L
LDD-600L
LDD-700L
CURRENT RANGE
300mA
350mA
500mA
600mA
700mA
VOLTAGE RANGE
2 ~ 32VDC
150mVp-p
150mVp-p
200mVp-p
200mVp-p
500mA
600mA
700mA
CURRENT ACCURACY (Typ.)
5% at 24VDC input
RIPPLE & NOISE(max.) Note.2 150mVp-p
40KHz ~ 1000KHz
SWITCHING FREQENCY
EXTERNAL CAPACITANCE LOAD (max.) 2.2uF
9 ~ 36VDC
VOLTAGE RANGE
95% at full load and 24VDC/36VDC input
EFFICIENCY (max.)
350mA
Full load Note.3 300mA
DC CURRENT
10mA
No load
INPUT
Capacitor
FILTER
Leave open if not use
PWM
REMOTE ON/OFF
DIMMING
&
PWM FREQUENCY
ON/OFF
CONTROL QUIESCENT INPUT CURRENT
IN SHUTDOWN MODE(max.)
Power ON with dimming: DIM ~ -Vin >3.5 ~ 8VDC or open circuit
Power OFF : DIM ~ -Vin < 0.5VDC or short
100 ~ 1KHz
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
PROTECTION
Tj 150
OVER TEMPERATURE
typically(IC1) detect on main control IC
Protection type : Shut down, recovers automatically after temperature goes down
-40 ~ + 85 (Refer to derating curve)
WORKING TEMP.
WORKING HUMIDITY
STORAGE TEMP., HUMIDITY
ENVIRONMENT
TEMP. COEFFICIENT
VIBRATION
20% ~ 90% RH non-condensing
-55 ~ +125 , 10 ~ 95% RH
0.03% /
10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
OPERATING CASE TEMP. (max.) 100
EMI CONDUCTION & RADIATION Compliance to EN55015, FCC part 15 class B
Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A
EMC
EMS IMMUNITY
2000Khrs min. MIL-HDBK-217F (25 )
22.6*9.9*8.9mm or 0.89"*0.39"*0.33" inch (L*W*H)
WEIGHT
4g
POTTING MATERIAL
Expoxy(UL94-V0)
3.81 ( 0.15 )
9.9 ( 0.39 )
1
Unit: mm (inch)
SIDE
VIEW
5
22.6 (0.89)
17.78 (0.7)
2.54 ( 0.10 )
6
Pin No.
Output
Comment
1
+Vin
DC Supply
3
PWM DIM
ON/OFF and PWM
Dimming
(Leave open if
not used)
3 4
BOTTOM
VIEW
Derating Curve
Pin Configuration
Mechanical Specification
5
-Vout
Don't connect
to -Vout
LED - Connection
6
+Vout
LED + Connection
4
-Vin
100
LOAD (%)
OTHERS
MTBF
DIMENSION
85 for
300~500mA
75
71
25
-40
7.62(0.30)
NOTE
for 600~700mA
50
8.9 (0.33)
0
25
50
Ta (
71
85
100
)
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 2011-06-02
LDD-L
DC-DC Constant Current LED driver
PWM Dimming Control
ON
H
ON
Standard Application
ON
+Vin
PWM
Signal
L
OFF
series
OFF
+Vout
OFF
100~1KHz
1st LED
PWM
LDD-L
H
Max
Dimming
L
Output
Current
Last LED
0
During PWM dimming operation, the output current will change to
PWM style.
-Vin
100
-Vout
H: >3.5~8VDC or open circuit
Tol : 3%(Typ.)
L: <0.5VDC or short
I out(% )
75
50
25
0
25
50
75
100
Duty Cycle (%)
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
100.0%
100%
100.0%
100%
350mA
500mA
600mA
95.0%
95%
95.0%
95%
700mA
300 mA
500 mA
90.0%
90%
600 mA
700 mA
85.0%
85%
80.0%
80%
75.0%
75%
EFFICIENCY (%)
EFFICIENCY (%)
350 mA
90.0%
90%
85.0%
85%
80.0%
80%
75.0%
75%
70.0%
70%
70.0%
70%
1
2
3
11
22
44
55
66
77
Output Voltage(LEDs)
Output Voltage(LEDs)
Fig-3
33
36VDC input, 1~10 LEDs(Vf=3V)
300 mA
100.0%
100%
350 mA
500 mA
600 mA
95%
95.0%
700 mA
90%
EFFICIENCY (%)
90.0%
85%
85.0%
80%
80.0%
75%
75.0%
70%
70.0%
65%
65.0%
11
22
33
44
5
5
66
77
88
9
9
10
10
Output Voltage(LEDs)
File Name:LDD-L-SPEC 2011-06-02
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