NLDD-H is a new series of DC/DC converters for LED lighting from MEAN WELL
As part of the renewal of the popular LDD series DC/DC converter line for LED applications, MEAN WELL has launched a new NLDD-H series with the same or improved performance. Converters of the NLDD-H series have already begun to go on sale, and in the future they will completely replace the power supplies of the LDD series, which will be gradually withdrawn from the range.
The NLDD-H series of DC/DC converters is a series of 60W step-down converters from direct current (DC) to direct current (DC). The NLDD-H series converter has the form of a compact size module and is available in two versions: with pins for mounting on a printed circuit board or with wired leads for terminal connection.
External view of NLDD-H series DC/DC converters
The features of NLDD-H series DC/DC converters are unique parameters for this series - small size package, wide input voltage range (10-56 V DC), standard and most common output current range (350-1400 mA), and high efficiency. The flame-retardant plastic body and full silicone molding improves heat dissipation properties during operation, making this series suitable for track lighting applications.
Wiring diagram for DC/DC converters NLDD-H
NLDD-H series converters have a built-in pulse-width modulator (PWM) designed to control brightness by supplying pulses with a frequency of 100-1 kHz. The variable parameter is the output current of the converter (Output Current), the brightness level of the connected LED lamp is determined by the duty cycle (duration of pulses in the Duty Cycle period) of the current Iout, in direct proportion to the signal at the PWM input (PWM):
Brightness control (dimming) with PWM input
Additionally, NLDD-H series converters have a remote ON/OFF control function. Due to the combination of characteristics and features, these converters are best suited for creating LED lamps and / or installations (for example, LED advertising objects) with controlled brightness and operating time.
Main technical characteristics and features of NLDD-H series DC/DC converters
- Standard output current range: 350/500/700/1050/1200/1400 mA.
- DC/DC converter type: DC/DC step-down.
- Wide input voltage range: 10-56V (DC).
- Output voltage: 6-52V (DC), always 4V below input.
- High efficiency (efficiency): up to 96%.
- Built-in PWM and Power ON/OFF control.
- Protection: against short circuit and overheating.
- Cooling due to natural ventilation.
- Completely filled with silicone.
- Warranty period 3 years.
For more detailed technical specifications, please refer to Specifications for DC/DC converters NLDD-H series, and for questions related to the selection and use of MEAN WELL products, please contact Meanwell@chipdip.ru .