FEATURES DESCRIPTIONS (CON.)

Figure 21: Circuit configuration for trim-up (increase output voltage)

If the external resistor is connected between the TRIM and RTN, the output voltage set point increases (Fig. 21). The external resistor value is from table below.

Trim Resistor

(Vout Increase)

Δ[%] Rtrim-up [KΩ]

157.4

225.5

314.9

49.57

56.38

64.26

72.47

81.60

9709

10 0

Trim Resistor

(Vout Decrease)

Δ[%] Rtrim-down [KΩ]

170.2

231.2

318.2

411.7

57.80

65.20

73.34

81.95

9867

10 0

The output voltage can be increased by the trim pin, When using trim; the output voltage of the module is usually increased, which increases the power output of the module with the same output current. Care should be taken to ensure that the maximum output power of the module remains at or below the maximum rated power.

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Delta Electronics Series Q48DR manual Features Descriptions CON, 70.2 31.2 18.2 11.7 867

Series Q48DR specifications

Delta Electronics, a prominent player in power management solutions, has expanded its product portfolio with the introduction of the Series Q48DR. This versatile DC-DC converter is specifically designed to meet the rigorous demands of modern industrial, telecommunications, and networking applications. The Q48DR series is noted for its high efficiency, compact design, and wide input voltage range, making it an ideal choice for power-sensitive environments.

One of the standout features of the Q48DR series is its high efficiency rating, typically exceeding 90%. This efficiency translates into reduced energy consumption and lower thermal output, which is crucial in applications requiring continuous operation. The advanced topology employed in the Q48DR not only maximizes energy conversion but also ensures minimal power losses across a variety of loads.

The input voltage range of the Q48DR is impressively broad, accommodating inputs from 36V to 75V DC. This wide input range ensures compatibility with a variety of power systems, simplifying integration in different setups. Moreover, the output voltage is adjustable, allowing users to fine-tune the power supply to match specific application requirements, typically ranging from 12V to 3.3V.

In addition to flexibility, the Q48DR series incorporates an array of protective features. These include overload protection, over-voltage protection, and thermal shutdown. These safety mechanisms are essential for safeguarding sensitive electronic components and maintaining system reliability in demanding environments.

The construction of the Q48DR is another important aspect, with a compact design that facilitates easier installation in space-constrained applications. The converter is housed in a robust metal casing, providing EMI shielding and thermal management. This design ensures that the unit can operate reliably in harsh industrial settings while minimizing electromagnetic interference with other devices.

Furthermore, Delta Electronics places a strong emphasis on sustainability. The Q48DR series meets RoHS standards, reflecting the company's commitment to reducing environmental impact without compromising performance. With a comprehensive range of certifications, including UL and CE, the Q48DR is built to provide peace of mind to users while ensuring compliance with global standards.

In summary, the Delta Electronics Series Q48DR DC-DC converter exemplifies advanced power management through its high efficiency, versatile input/output specifications, protective features, and compact design. These characteristics make it an ideal solution for a multitude of applications in various sectors, ensuring reliable performance and ease of integration.