8.0Tests and Evaluation

8.1Input Characteristics

8.1.1 Input Voltage Range and Under-Voltage Lockout

The DNM04xx and DNL04xx Series of DC/DC converters will operate at full load from 2.4Vin to 5.5Vin for 5Vin (nominal) types. The DNM12xx and DNL12xx Series DC/DC converters will operate at full load from 10Vin to 14Vin for 12Vin (nominal) types. The converters feature input under-voltage protection, which will not allow the converter to start up unless the input voltage exceeds the turn-on voltage threshold.

Test

1)Turn on the fan.

2)Set the input voltage to the desired operating point while monitoring DVM2.

3)Set the switch SW2 to the “ON or OFF” position to enable the converter. (See Item 7.1.5)

4)Test the input under voltage function while observing DVM2, DVM3 and channel 1 of the oscilloscope. Increase the input voltage until the output of the converter reaches the appropriate value. This will occur between 2.05 and 2.25 volts for 5Vin nominal and between 9.0 to 10 volts for 12Vin nominal. Please refer to the appropriate converter data sheet for the detailed specification.

8.1.2 No Load Input Current Test

1)Turn on the fan.

2)Set the input voltage to the desired operating point while monitoring DVM2.

3)Set the switch SW2 to the converter ON.

4)Remove/disable the output electronic load or resistive load.

5)Note the input current from DVM1.

6)The result is the No-Load Input current of the DC/DC converter.

The No-Load Input Current will be around 50 to 150 mA depending on the model under evaluation. (Please refer to the data sheet for the detailed specification).

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Delta Electronics DNL SIP Series, DNM manual Tests and Evaluation, No Load Input Current Test

DNM, DNL SIP Series specifications

Delta Electronics has long been recognized as a leading provider of power and thermal management solutions, and their DNL SIP Series and DNM series converters are exemplary products that exemplify the company’s commitment to innovation and efficiency. Designed specifically for industrial applications, these power supplies offer a range of features that cater to the demands of modern electronic systems.

The DNL SIP Series is a highly integrated, compact power converter that provides a reliable solution for various applications, including communication equipment, industrial automation, and IoT devices. One of its standout features is its high power density, which allows for a significant reduction in space requirements without compromising on performance. This is particularly advantageous in applications where space is at a premium.

Another important characteristic of the DNL SIP Series is its wide input voltage range, accommodating different operating environments and ensuring versatility across diverse applications. The series also boasts high efficiency ratings, often exceeding 90%. This high efficiency translates into reduced energy consumption, lower operating costs, and less heat generation—factors that are crucial in both environmental sustainability and system longevity.

On the other hand, the DNM series is tailored for more demanding applications that require robust performance in even harsher conditions. This series blends advanced technology with an expanded thermal management system, allowing for operation in extreme temperatures and ensuring reliability in challenging environments. The DNM’s rugged design not only enhances its durability but also contributes to user safety, featuring protections against over-voltage, over-current, and short circuits.

Both the DNL SIP and DNM series leverage Delta Electronics’ cutting-edge manufacturing processes and adherence to international safety standards. This ensures that their products meet rigorous quality controls and are certified for use in a variety of industrial settings. Integration with communication protocols and smart features allows for quick diagnostics and monitoring, enabling users to optimize performance and address issues before they escalate.

In summary, Delta Electronics’ DNL SIP Series and DNM converters stand out due to their compact design, high efficiency, wide input voltage range, and robust protection features. They cater to a wide array of industrial applications, making them an excellent choice for engineers and designers seeking reliable power solutions in an increasingly complex electronic landscape.