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MEAN WELL LDB300LW Constant Current Buck-Boost LED Driver

The MEAN WELL LDB-300LW is a constant current buck-boost LED driver designed for driving illumination LEDs. It delivers a consistent 300mA output current while accommodating a wide input voltage range of 9-36VDC and an output voltage range of 2-40VDC. Key features include high efficiency (up to 91%), a built-in EMI filter compliant with EN55015 and FCC part15, remote ON/OFF control, and robust protections against short circuits and over temperature. The fully encapsulated design provides IP67 level protection, making it suitable for harsh environments. Its compact size and high reliability make it a versatile solution for various LED lighting applications.

Authorized Distributors
Source:Newark
Part No:LDB-300LW
Stock:2
Inv Date:06-16-2026
Price: Unit price: $12.32
Buy/RFQ:
Source:DigiKey
Part No:LDB-300LW
Stock:0
Inv Date:06-16-2026
Price: Unit price: $8.5
Buy/RFQ:
Part No:LDB-300LW
Stock:1
Inv Date:06-17-2026
Price: Unit price: $8.5
Buy/RFQ:
Part No:LDB-300LW
Stock:0
Inv Date:06-16-2026
Price: Unit price: $10.65
Buy/RFQ:
Part No:LDB-300LW
Stock:9
Inv Date:06-16-2026
Price: Unit price: $10.1682
Buy/RFQ:
Part No:LDB-300LW
Stock:9
Inv Date:06-16-2026
Price: Unit price: $10.1682
Buy/RFQ:

MEAN WELL LDB300LW Constant Current Buck-Boost LED Driver Specifications:

  • Output Current: 300mA
  • Input Voltage: 9 ~ 36VDC
  • Output Voltage: 2 ~ 40VDC
  • Efficiency: Up to 91%
  • EMI Filter: Complies with EN55015 and FCC part15
  • Protections: Short circuit / Over temperature
  • IP Rating: IP67
  • PWM Dimming: 100 ~ 1KHz
  • Remote ON/OFF Control: Available
  • Operating Temperature: -40 ~ +71°C
  • Storage Temperature: -55 ~ +125°C
  • MTBF: 2000Khrs min. (MIL-HDBK-217F)
  • Dimension: 31.8*20.3*12.2mm

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Frequently Asked Questions

Where can I buy MEAN WELL LDB300LW?

You can click on the BUY or RFQ button to purchase LDB300LW from an authorized MEAN WELL distributor.

How do I troubleshoot issues or seek technical support for part LDB300LW?

You can download the LDB300LW datasheet or visit the MEAN WELL website for support.

Who is the manufacturer of LDB300LW?

MEAN WELL

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