LDDS-300HWB [MEANWELL]
DC-DC Constant Current Step-Down LED driver;
| 型号： | LDDS-300HWB |
| 厂家： | 
MEAN WELL ENTERPRISES CO., LTD. |
| 描述： | DC-DC Constant Current Step-Down LED driver |
| 文件： | 总5页 (文件大小：108K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DC-DC Constant Current Step-Down LED driver
LDDS-H series
(Track adapter application)
TPTC004
■ Applications
■ Features
ꢀDC battery source lighting
ꢀPortable lighting
ꢀDC/DC step-down converter
ꢀConstant current output: 250mA to 1000mA
ꢀWide input voltage: 12 ~ 56VDC(48V typ.)
ꢀWide output LED forward string voltage: 2 ~ 45VDC
ꢀHigh efficiency up to 96%
ꢀCommercial lighting
ꢀDC 48V Track lighting
ꢀDC 24V landscape lighting
ꢀFor STUCCHI track adapters
ꢀBuilt-in EMI filter, comply with BS EN/EN55015
ꢀ3 in 1 dimming and remote ON/OFF control.
ꢀProtections: Short circuit / Over temperature / Over current
ꢀCooling by free air convection
ꢀFor
class Ⅲ application(SELV)
ꢀCompact size and Fully encapsulated
ꢀSuitable for driving illumination LED
ꢀ5 years warranty
■ Description
LDDS-H series is a 45W DC/DC LED drive featuring constant current output. LDDS-H operates from
12~56VDC and offers models with different rated current ranging between 250mA and 1000mA. With the
high efficiency up to 96%, The 94V-0 flame retardant plastic case with fully-potted to enhance th heat
dissipation allows this series to fit for class Ⅲ commercial track light or DC bus lighting application.
■ Model Encoding
LDDS
- 250 H W B
Blank: Remote ON/OFF control
B: 3 in 1 Dimming function
{
W: Wire style
Output current (250/300/350/500/700/1000mA)
Series name
File Name:LDDS-H-SPEC 2021-06-22
DC-DC Constant Current Step-Down LED driver
LDDS-H series
SPECIFICATION
ORDER NO.
LDDS-250HW
LDDS-300HW
LDDS-350HW
LDDS-500HW
LDDS-700HW
LDDS-1000HW
CURRENT RANGE
VOLTAGE RANGE
250mA
300mA
350mA
500mA
700mA
1000mA
Note.4 2 ~ 45VDC
5% at 48VDC input (or 24VDC)
CURRENT ACCURACY (Typ.)
RIPPLE & NOISE(max.) Note.2
SWITCHING FREQENCY
OUTPUT
150mVp-p
40KHz ~ 1000KHz
2.2uF
150mVp-p
200mVp-p
350mVp-p
350mVp-p
350mVp-p
EXTERNAL CAPACITANCE LOAD (max.)
12 ~ 56VDC
94%
Note.3
VOLTAGE RANGE
95%
96%
EFFICIENCY (Typ.)
INPUT
200mA
250mA
300mA
400mA
570mA
820mA
Full load Note.3
DC CURRENT
FILTER
No load
6mA
Capacitor
Leave open if not use
REMOTE
ON/OFF
&
Power ON with dimming: DIM ~ -Vin >2.5 ~ 15VDC or open circuit
Power OFF : DIM ~ -Vin < 0.3VDC or short
100 ~ 1KHz (4mA at PWM dimming off)
REMOTE ON/OFF
3 IN 1
PWM FREQUENCY
3 IN 1 DIMMING
DIMMING
0 ~ 10V / PWM / Resistor Dimming
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 ~ + 55℃(Refer to derating curve) @ full load
20% ~ 90% RH non-condensing
PROTECTION
OVER TEMPERATURE
WORKING TEMP.
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
90℃
OPERATING CASE TEMP. (max.)
SAFETY STANDARDS
EMC EMISSION
EAC TP TC 004 approved
SAFETY &
EMC
Compliance to BS EN/EN55015, EAC TP TC 020
Compliance to BS EN/EN61000-4-2,3,4,6,8, light industry level, criteria A, EAC TP TC 020
650Khrs min. MIL-HDBK-217F (25℃)
EMC IMMUNITY
MTBF
DIMENSION
47*12*7mm or 1.85"*0.47"*0.28" inch (L*W*H)
9.5g, 36pcs/box, 0.43kg/box. 12 box per carton/6kg
Expoxy(UL94-V0)
OTHERS
WEIGHT
POTTING MATERIAL
1.All parameters are specified at normal input(48VDC), rated load, 25℃ 70% RH ambient.
2.Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1μf capacitor.
3.Test condition: 48VDC input, 36VDC output without Dimming.
NOTE
4.Output voltage will always step down 4 volts from input DC voltage.
5.The output of LDDS-H should not be connected to the input of the same unit or output from other sources.
※ Product Liability Disclaimer：For detailed information, please refer to https://www.meanwell.com/serviceDisclaimer.aspx
File Name:LDDS-H-SPEC 2021-06-22
DC-DC Constant Current Step-Down LED driver
LDDS-H series
Derating Curve
100
75
for 250~700mA
for 1000mA
50
25
-40
0
25
40 50 55
85
100
Ta (℃)
Standard Application(LDDS-HW series)(Remote ON/OFF control)
100
80
+VIN
-VIN
+Vout
1st LED
Last LED
-Vout
LDDS-H
60
40
Dimming
H: >2.5~15VDC or open circuit
L: <0.3VDC or short
10V(H)
0V(L)
20
0
0.5
1
1.5
2
2.5
6
7
8
10
Input voltage (V)
3 in 1 Dimming Control(LDDS-HWB series)
◎ Applying additive 10VDC PWM signal
100
80
+VIN
+Vout
1st LED
Last LED
-Vout
LDDS-H
60
40
Dimming
-VIN
10V(H)
0V(L)
(PWM signal 100~1KHz)
20
0 1
10
20
30
40
50
60
70
80
90
100
(DIM to OFF)
Dimming Duty Ratio (%)
◎ Applying additive 0~10VDC
100
80
+VIN
+Vout
1st LED
60
40
LDDS-H
Dimming
Last LED
-Vout
-VIN
20
0V-10V
0
1
2
3
4
5
6
7
8
9
10
(DIM to OFF)
Input voltage (V)
◎ Applying additive resistance
100
80
+VIN
+Vout
1st LED
60
40
LDDS-H
Last LED
-Vout
Dimming
-VIN
20
0
5
10
15
20
25
30
35
40
45
50
(0~50KΩ)
(Dimming source current from power supply:200μA)
(DIM to OFF)
Dimming Resistor (KΩ)
File Name:LDDS-H-SPEC 2021-06-22
DC-DC Constant Current Step-Down LED driver
LDDS-H series
Efficiency VS Output Voltage(Number of LEDs)
OUTPUT CURRENT 250mA
OUTPUT CURRENT 300mA
100.0
95.0
90.0
85.0
80.0
75.0
70.0
65.0
60.0
55.0
100.0
95.0
90.0
85.0
80.0
75.0
70.0
65.0
60.0
1
2
3
4
5
6
7
8
9
10 11
1
2
3
4
5
6
7
8
9
10 11
LOAD LED (S)
LOAD LED (S)
VIN=24V VIN=48V
VIN=24V VIN=48V
OUTPUT CURRENT 350mA
OUTPUT CURRENT 500mA
100.0
95.0
90.0
85.0
80.0
75.0
70.0
65.0
60.0
100.0
95.0
90.0
85.0
80.0
75.0
70.0
65.0
60.0
1
2
3
4
5
6
7
8
9
10 11
1
2
3
4
5
6
7
8
9
10 11
LOAD LED (S)
LOAD LED (S)
VIN=24V VIN=48V
VIN=24V VIN=48V
OUTPUT CURRENT 700mA
OUTPUT CURRENT 1000mA
100.0
95.0
90.0
85.0
80.0
75.0
70.0
65.0
60.0
100.0
95.0
90.0
85.0
80.0
75.0
70.0
65.0
60.0
1
2
3
4
5
6
7
8
9
10 11
1
2
3
4
5
6
7
8
9
10 11
LOAD LED (S)
LOAD LED (S)
VIN=24V VIN=48V
VIN=24V VIN=48V
File Name:LDDS-H-SPEC 2021-06-22
DC-DC Constant Current Step-Down LED driver
LDDS-H series
Pin Configuration
Mechanical Specification
Unit: mm (inch)
7 [0.28]
3 1mm
50 10mm
Pin No.
-Vin
(Black)
Comment
1
2
Don't connect
to -Vout
1
2
3
+Vin
(Red)
SIDE
VIEW
DC Supply
BOTTOM
VIEW
DIM(-)
(Black)
Connect to -Vin
3 1mm
150 10mm
ON/OFF control
or
3 in 1 Dimming
DIM(+)
(White)
4
5
6
+Vout
(Yellow)
LED + Connection
LED - Connection
5
6
-Vout
(Blue)
3 [0.12]
3
4
12 [0.47]
NOTE: All wires UL3385 22AWG/300V/105℃ rated
File Name:LDDS-H-SPEC 2021-06-22
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