ABC400 查看數據表（PDF） - Bel Fuse Inc.
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ABC400 Datasheet PDF : 11 Pages
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ABC400 Series
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)
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
ABC400-1048G
53
32.0
VDC
57
VDC
ABC400-1012G
31.5
33.0
39.0
A
Io lim
Current Limit
Vi > 90 VAC, -10 °C <Ta < 50 °C ABC400-1024G
20.0
21.0
23.0
A
ABC400-1048G
8.9
10
11.1
A
TSD Over Temperature on Heat Sinks Automatic shut-down
100
°C
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.
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).
120
100
80
60
40
20
0
-10 0 10 20 30 40 50 60 70
Ambient Temperature(°C)
Figure 15: Output Current Limitation Curve
Series1
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