AEW01CC48 datasheet(36/46 Pages) ASTEC

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2.3 Output over-current protection

z AEW series DC/DC converters feature Over-current Protection (OCP) circuits.

When output current exceeds 110% to 150% of rated current, such as during a short

circuit condition, the output will shutdown immediately, and can tolerate short

circuit conditions indefinitely.

z When the overcurrent condition is removed, the converter will automatically

restart.

2.4 Output over-voltage shutdown (OVP)

z The AEW series provides over-voltage protection on the output, which will

shut the output off if the voltage exceeds 116 to 150% of the nominal output

voltage, and the output is shutdown.

z It must power the module on again to recover the output.

z If the module is trimmed up to the voltage, which exceeds the 110% rated

output voltage, the output over-voltage protection will be probably triggered

off.

z For dual output products:

Through testing the over-voltage condition between +Vo and –V, the

over-voltage protection active (operating at 116%

150% rated output

voltage).

z For triple output products:

Through testing the over-voltage condition between +Vo and COM, the

over-voltage protection active. When Vo1 exceeds 116%~150% rated output

voltage, the over-voltage protection active. After the protection, please turn off

the power supply, and restart after 2-3 seconds, the output will be normal.

AEW01CC48 Datasheet(PDF) 36 Page - Astec America, Inc