ABC400-10XXG 데이터 시트보기 (PDF) - Power-One Inc.

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ABC400-10XXG

AC-DC power supplies

Power-One Inc. 

5.1 INPUT FUSE

A slow-blow 8A input fuses (5 × 20 mm) in series with live

line inside the power supply protects against severe defects.

the fuse and a VDR form together with the input filter an

effective protection against high input transients.

5.2 INRUSH CURRENT

The AC-DC power supply exhibits an X-capacitance of only

1.47 μF, resulting in a low and short peak current, when the

supply is connected to the mains. the internal bulk capacitor

will be charged through an power resistor which will limit the

inrush current (see Figure 2 and 3).

ABC400-10XXG Data Sheet

Figure 2: Inrush current, Vin = 115Vac, 90°

CH2: Vin (250V/div), CH3: Iin (10A/div)

Rev. AC1, 11-Oct-2012

Figure 3: Inrush current, Vin = 230Vac, 90°

CH2: Vin (250V/div), CH3: Iin (10A/div)

5.3 INPUT UNDER-VOLTAGE

If the sinusoidal input voltage stays below the input under

voltage lockout threshold Vi on, the supply will be inhibited.

Once the input voltage returns within the normal operating

range, the supply will return to normal operation again.

5.4 POWER FACTOR CORRECTION

Power factor correction (PFC) is achieved by controlling the

input current waveform synchronously with the input voltage.

A specified PFC controller is implemented in the interleaved

transition mode topology giving outstanding PFC results over

a wide input voltage and load ranges. The input current will

follow the shape of the input voltage.

5.5 EFFICIENCY

The high efficiency (see Figure 4, 5 and 6) is achieved by

using state-of-the-art silicon power devices in conjunction

with interleaved transition mode PFC topology minimizing

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