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PART #: LDD-H
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- Low-Voltage DC Constant Current Device
- Driver Styles: Pinned, Wired or SMD
- Dimmable: PWM dimming w/ remote ON/OFF
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Product Details
| INPUT VOLTAGE:9 ~ 56VDC | STEP-DOWN MODE: LED buck driver with wide input and output voltage range |
| OUTPUT CURRENT: Varies from 300mA - 1500mA | DIMMABLE:PWM dimming with remote ON/OFF |
| CONNECTIONS:Pin, Wire (W), or SMD (S) Style | HIGH EFFICIENCY: 97% |
| WARRANTY:3-Years | SAFETY:Short-Circuit & Over temperature |
| Super Small & Compact Size! | CASING:Fully enclosed plastic case (UL 94V-0) |
Description
Mean Well's LDD-H Series DC-DC LED drivers offer constant current mode output. The LED buck converters feature 9-56VDC input and output 2-52VDC. These low voltage drivers come in a wide range of output drive current options: 300mA to 1 Amp. The MeanWell LDD DC-DC converters have a high efficiency of 97% allowing them to operate between -40°C~+85ºC. They have a built-in EMI filter that complies with EMI lighting requirements (EN55015) without connecting any EMI restraint components, making them very convenient for PCB installations. Another great feature is they can be dimmed via PWM dimming controls.
Connection Style Variations
The Mean Well LDD-H series comes in 3 different connection types. The standard is a pin version, 'W' is the wired version and 'S' is the SMD version where the pins are on the sides. The 1200 and 1500mA models do not come in the SMD style, only the wire and bottom pin connection type.
Product Support
LEDSupply is trained on all Mean Well products and available to answer any of your questions. Still unsure of what Mean Power Source is right for you? Take a look at our Mean Well LED Driver Guidewhich explains the many variations and styles of LED power supplies.
Technical Documentation
LDD-H Series Specifications
| Model | Input (VDC) | Output | Dimming | Dimensions (mm) | Connection Type | ||
|---|---|---|---|---|---|---|---|
| Volt. Range (VDC) | Current (mA) | Temp. (°C) | |||||
| LDD-300H LDD-300HW LDD-300HS | 9~56VDC | 2~52VDC | 300mA | -40 ~ +85°C | PWM & ON/OFF Control | H/HW: 31.8(L) x 20.3(W) x 12.2(H) HS: 31.8(L) x 20.3(W) x 10.9(H) | H=Pin Style HW=Wire Style HS=SMD Style |
| LDD-350H LDD-350HW LDD-350HS | 9~56VDC | 2~52VDC | 350mA | -40 ~ +85°C | PWM & ON/OFF Control | H/HW: 31.8(L) x 20.3(W) x 12.2(H) HS: 31.8(L) x 20.3(W) x 10.9(H) | H=Pin Style HW=Wire Style HS=SMD Style |
| LDD-500H LDD-500HW LDD-500HS | 9~56VDC | 2~52VDC | 500mA | -40 ~ +85°C | PWM & ON/OFF Control | H/HW: 31.8(L) x 20.3(W) x 12.2(H) HS: 31.8(L) x 20.3(W) x 10.9(H) | H=Pin Style HW=Wire Style HS=SMD Style |
| LDD-600H LDD-600HW LDD-600HS | 9~56VDC | 2~52VDC | 600mA | -40 ~ +85°C | PWM & ON/OFF Control | H/HW: 31.8(L) x 20.3(W) x 12.2(H) HS: 31.8(L) x 20.3(W) x 10.9(H) | H=Pin Style HW=Wire Style HS=SMD Style |
| LDD-700H LDD-700HW LDD-700HS | 9~56VDC | 2~52VDC | 700mA | -40 ~ +85°C | PWM & ON/OFF Control | H/HW: 31.8(L) x 20.3(W) x 12.2(H) HS: 31.8(L) x 20.3(W) x 10.9(H) | H=Pin Style HW=Wire Style HS=SMD Style |
| LDD-1000H LDD-1000HW LDD-1000HS | 9~56VDC | 2~52VDC | 1000mA | -40 ~ +85°C | PWM & ON/OFF Control | H/HW: 31.8(L) x 20.3(W) x 12.2(H) HS: 31.8(L) x 20.3(W) x 10.9(H) | H=Pin Style HW=Wire Style HS=SMD Style |
| LDD-1200H LDD-1200HW | 9~52VDC | 2~46VDC | 1200mA | -40 ~ +85°C | PWM & ON/OFF Control | H/HW: 31.8(L) x 20.3(W) x 12.2(H) | H=Pin Style HW=Wire Style |
| LDD-1500H LDD-1500HW | 9~52VDC | 2~46VDC | 1500mA | -40 ~ +85°C | PWM & ON/OFF Control | H/HW: 31.8(L) x 20.3(W) x 12.2(H) | H=Pin Style HW=Wire Style |
Misc. Characteristics
Characteristics
LDD-H Series
INPUT VOLTAGE
9 ~ 56VDC
OUTPUT CURRENT ACCURACY
±3% at 24VDC input
REMOTE ON
Power on with dimming: PWM DIM~DIM- >2.5~6VDC or open circuit
REMOTE OFF
Power off: Analog DIM~DIM- <0.8VDC or short
PWM DIMMING FREQUENCY
100 ~ 1KHz
QUIESCENT INPUT CURRENT SHUTDOWN
1mA at PWM dimming OFF and 24VDC input
SHORT CIRCUIT
Regulated at rated output current / recovers automatically after fault removed
OVER TEMPERATURE
Shut down at 150ºC
WORKING TEMP.
-40 ~ +85°C (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-55 ~ +125°C, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.3%/°C
VIBRATION
10~500Hz, 2G 10min./1cycle, period for 60min. each along X,Y,Z axes
EMC EMISSION
Compliance to EN55015
EMC IMMUNITY
Compliance to EN61000-4-2,3,4,6,8; light industry level, criteria A
MTBF
2000Khrs min. MIL-HDBK-217F (25°C)
Full Documentation
LDD-HQuestions
Browse 4 questions and 4 answers.
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