- Place of Origin: Zhejiang, China (Mainland)
- Brand Name: MEAN WELL
- Model Number: LDD-700H
- Output Power: 1 - 50W
- Output Type: Single
- Input Voltage: 9~56VDC
- Output Voltage: 2~52VDC
- Output Frequency: 0Hz
- Output Current: 700mA
- Output mode:: 700mA constant current
- Protections:: Short circuit / Over temperature
- Size:: 31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H)
- Working temperature:: -40℃~+85℃, cooling by free air convection
- Dimming function:: PWM
- Applications:: Suitable for driving illumination LED
- Certificates:: Real FCC & CE
- MTBF:: 2000Khrs min.
- Warranty:: 3 years warranty
- Potting Material:: Expoxy (UL94-V0)
Packaging & Delivery
|Packaging Details:||Original MEAN WELL packing|
Welcome to the world of MEAN WELL!
Here is the detailed info for my MEAN WELL Constant Current Dimmable LED Driver module 700mA LDD-700H . Hope you like it.
- DC/DC step-down converter
- Constant current output: 300mA to 1000mA
- Wide input voltage: 9-56VDC
- Wide output LED string voltage: 2~52VDC
- High efficiency up to 97%
- Built-in EMI filter, comply with EN5 5015 and FCC part15 without
- Additional input filter and capacitors
- Built-in PWM and remote ON/OFF contron
- Protections: short circuit/over temperature
- Cooling by free air convection
- Fully encapsulated with IP67 level for pin and wire style
- Non-potted,optional conformal coating for SMD style
- (Order No:LDD-350 HSC)
- Compact size
- Low cost, high reliability
- Suitable for drive
- Inbg illumination LED
- 3 years warranty
VOLTAGE RANGE Note.4
2 ~ 52VDC
CURRENT ACCURACY (Typ.)
±3% at 24VDC input ; ±4% at 48VDC input for LDD-H/HW ; ±5% for LDD-HS
RIPPLE & NOISE (max.) Note.2
40KHz ~ 1000KHz
EXTERNAL CAPACITANCE LOAD (max.)
9 ~ 56VDC
97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS
Full load Note.3
Leave open if not use
Power ON with dimming: DIM ~ -Vin >2.5 ~ 6VDC or open circuit
Power OFF : DIM ~ -Vin < 0.8VDC or short
100 ~ 1KHz
IN SHUTDOWN MODE(max.)
1mA at PWM dimming OFF and 24VDC input
Regula ted at rated output c urrent
Protection type: Can be con tinued, recovers automatically after fault condition is removed
Tj 150°C typically(IC1) detect on main control IC
Protection type : Shut down, recovers automatically after temperature goes down
-40 ~ + 85°C(Refer to derating curve)
20% ~ 90% RH non-condensing for LDD-H/HW ; 20%~85% RH non-condensing for LDD-HS
STORAGE TEMP., HUMIDITY
-55 ~ +125°C, 10 ~ 95% RH
±0.03% / °C
10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes
OPERATING CASE TEMP. (max.)
Compliance to EN55015, FCC part 15 class B
Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A
2000Khrs min. MIL-HDBK-217F (25°C)
31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H) for LDD-H/HW ; 31.8*20.3*11.4mm or 1.25"*0.8"*0.45" inch (L*W*H) for LDD-HS
LDD-H:15.6g ; LDD-HW:18g ; LDD-HS:12.8g
Expoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HS
Storage and Packing
MEAN WELL Other Series
Why Choose Us ???
A Fast Delivery + Satisfied Customer Service Is Our NO.1 Priority!
1. Our goal is to provide you the right product and make you satisfied, so please don’t hesitate to contact us via tel or mail.
2. We shall find for you the cheapest shipping term and show you the freight and shipping time. Regarding to the urgent order, a quickest shipping term and freight will be advised to you for consideration.
3. The stock info will be informed before your order, to make everything under control.
4. Price could be negotiated for more and large quantity.
Shipping & Duties
Usually, shipping will be arranged within 2-3 Days upon payment or deposit, from Monday to Saturday only.
To assure you the maximum comfort and satisfaction, Currently, you can pay via T/T, L/C, WESTERN UNION, PAYPAL or through Visa, MasterCard via Ali Express Escrow. More payment options will be added in the near future.
All of the products we sell are with a certain time warranty, during the warranty, anything wrong with it, like no working an unstable output voltage or current, damaged, my corporation will be responsible to fix it well for free and re-send it to the clients, But, the delivery cost should be paid by purchaser himself.
We will be very glad to provide the assistance during your installation and application at any time.
Your inquiry and mail will be quickly responded. Suppose you have no ideas on choosing the right power supply, please do not hesitate to contact us.
We will always be here and try our best to provide you our best service !
For samples, you can go to our Aliexpress to buy it too. It is easier to place the order, but have to pay 5% ( charging cost ) to Alibaba.