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MEAN WELL LDDS300HW Step-Down LED Driver

The MEAN WELL LDDS-H series is a 45W DC-DC LED driver designed for constant current output applications. Operating from a wide input voltage range of 12-56VDC and offering models with current ratings from 250mA to 1000mA, this driver provides efficient and reliable performance. It features a high efficiency of up to 96% and a compact size, making it suitable for various commercial lighting and DC bus lighting applications. The series is designed with safety and EMC compliance in mind, ensuring reliable operation in diverse environments.

Authorized Distributors
Source:DigiKey
Part No:LDDS-300HW
Stock:0
Inv Date:06-16-2026
Price: Unit price: $9.83
Buy/RFQ:
Part No:LDDS-300HW
Stock:0
Inv Date:06-17-2026
Price: Unit price: $8.84
Buy/RFQ:
Part No:LDDS-300HW
Stock:0
Inv Date:06-16-2026
Price: Unit price: $9.02
Buy/RFQ:
Part No:LDDS-300HW
Stock:30
Inv Date:06-16-2026
Price: Unit price: $7.9252
Buy/RFQ:
Part No:LDDS-300HW
Stock:30
Inv Date:06-16-2026
Price: Unit price: $7.9252
Buy/RFQ:
Part No:LDDS-300HW
Stock:0
Inv Date:06-16-2026
Price: Unit price: $6.63
Buy/RFQ:

MEAN WELL LDDS300HW Step-Down LED Driver Specifications:

  • constant_current_output: 250mA to 1000mA
  • input_voltage: 12 ~ 56VDC
  • output_led_forward_voltage: 2 ~ 45VDC
  • efficiency: Up to 96%
  • built_in_filter: Complies with BS EN/EN55015
  • dimming_control: 3 in 1 dimming and remote ON/OFF control
  • protections: Short circuit / Over temperature / Over current
  • switching_frequency: 40KHz ~ 1000KHz
  • external_capacitance_load_max: 2.2uF
  • current_accuracy: ±5% at 48VDC input (or 24VDC)
  • ripple_and_noise_max: 150mVp-p
  • operating_temperature: -40 ~ +55℃
  • storage_temperature: -55 ~ +125℃
  • mtbf: 650Khrs min.
  • dimension: 47*12*7mm
  • weight: 9.5g

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Frequently Asked Questions

Where can I buy MEAN WELL LDDS300HW?

You can click on the BUY or RFQ button to purchase LDDS300HW from an authorized MEAN WELL distributor.

How do I troubleshoot issues or seek technical support for part LDDS300HW?

You can download the LDDS300HW datasheet or visit the MEAN WELL website for support.

Who is the manufacturer of LDDS300HW?

MEAN WELL

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