User`s manual

APPENDIX B AWS-8259 Power Supply Specifications 53
2.4 Transient Response (Step Load)
Table B-3: Step load limit
The following transient loads are to be applied to the output. The fre-
quency range of the transient loads described shall be from 1 Hz to 2
KHz. The waveform shall be a square wave with the slope of the rise and
fall at 0.2A/microsecond.
The output voltages shall not exceed regulation limits as defined in Ta-
ble 3 under the following condition:
Step load changes of up to 20% of full load including steps increasing
from minimum or decreasing from full load, while the other loads re-
main constant within the rating as in Table 1. In addition, the +12V out-
put shall remain within ±10% tolerance limits and the remaining outputs
shall not exceed regulation limits as defined in Table 3 under the follow-
ing condition:
Step load change of up to 2A on the +12V output including increasing
from minimum or decreasing from full load, while the other loads re-
main constant within the ratings as in Table 1. The audible noise level of
the power supply shall not increase during transient loading.
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