ABC400-1024G 데이터 시트보기 (PDF) - Power-One Inc.

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ABC400-1024G

AC-DC power supplies

Power-One Inc. 

ABC400-10XXG Data Sheet

Figure 13: Load transient Vo (500μs/div), 8.5A <-> 17A 2A/μs

CH1: Vo (200mV/div) CH2: Io (5.0 A/div)

Figure 14: Load transient Vo (1.0ms/div), 8.5A <-> 17A, 2A/μs

CH1: Vo (200 mV/div) CH2: Io (5 A/div)

7 PROTECTION

Parameter

Conditions / Description

Min Nom Max Unit

F

Input fuses (L only)

Not user accessible, time lag characteristic

8.0

A

ABC400-1012G 14.0

16.0 VDC

Vo ov OV threshold

ABC400-1024G 28.0

32.0 VDC

ABC400-1048G 53

57 VDC

ABC400-1012G 31.5 33.0 39.0

A

Io lim

Current limit

Vi > 90 VAC, -10 °C ABC400-1024G 20.0

21.0 23.0

A

<Ta < 50 °C

ABC400-1048G 8.9

10 11.1 A

TSD

Over temperature on heat

sinks

Automatic shut-down

100

°C

7.1 OVERVOLTAGE PROTECTION

The AC-DC power supply provides a fixed threshold overvoltage (OV) protection implemented with a HW comparator. Once an

OV condition has been triggered, the supply will shut down and latch the fault condition. the latch can be unlocked by

disconnecting the supply from the AC mains only.

7.2 CURRENT LIMITATION

The main output current limitation will decrease with linear derating to 50% at 70 ºC if the ambient (inlet) temperature increases

beyond 50 °C (see Figure 15 ).

Rev. AC1, 11-Oct-2012

Page 8 / 13

www.power-one.com

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