Switching power supply technical parameters

With the development of science and technology, especially the rapid development of computer, communication and aviation, people have higher and higher requirements on the volume, weight and efficiency of various instruments and equipment. This provides a broad development space for switching power supplies with small volume, light weight and high efficiency. Below we give the main technical parameters of the switching power supply. Customers should refer to the technical specifications of the corresponding products when selecting products.

1. Main technical parameters

1. AC input voltage range: 85-132VAC, 176-265VAC or 85-265VAC

2. Input frequency range: 47-63Hz

3. DC input voltage range: 9-28VDC, 18-36VDC, 36-72VDC, 85-176VDC, 200-400VDC,

4. Output voltage: DC2.5-240V

5. Output power: 2.5W-4KW

6. Efficiency: >75% (typical value)

7. Linear adjustment rate: ≤0.5%

8. Load adjustment rate: ≤1%

9. Ripple and noise: ≤1%V.

10. Output hold time: 20ms (220VAC, typical value)

11. Start-up time: 12. Temperature coefficient: <±0.03%/℃

13. Output voltage adjustment range: ±10% (main circuit)

14. Output overload protection: 105%-150%

15. Output overvoltage protection: 115%-150%

16. Withstand voltage: input-output 3KVAC/min (1.5KVAC/min), input-ground 1.5KVAC/min, output-ground 0.5KVDC/min

17. Insulation resistance: ≥100MΩ (500VDC)

18. Working environment temperature: 0-45℃, -10℃-60℃, -25℃-60℃, -25℃-75℃

19. Safety standards: Comply with GB4943, UL1950, EN60950, CE, CCC and other safety standards

20. EMC standard: compliant with EN55022 CLASS B, FCC Part 15, EN61000

21. Lifespan: Can work at full load for more than one year at an ambient temperature of 45°C.