Specifications and Characteristics 4
U8001A/U8002A User’s and Service Guide 33
Supplemental Characteristics
Table 4 - 2 Supplemental Characteristics
Table 4 - 3 Protection Features
Parameter U8001A U8002A
Temperature Coefficient (for 12 months) CV: <100 ppm/ °C
CC: <380 ppm/ °C CC: <300 ppm/ °C
Output Voltage Overshoot
(during turn- on or turn- off AC power state
with the output control set to less than 1 V)
<1 V
Voltage Programming Speed, to within 1% of
total excursion
Up Full Load
No Load
150 ms
100 ms
Down Full Load
No Load
30 ms
450 ms
Last Memory Setting Enabled Yes
Over Voltage Protection Response Time <1.5 ms when the trip voltage is equal or greater than 3 V and <10 ms
when the trip voltage is less than 3 V (average time for output to drop
from 90% of output voltage to 1 V after OVP condition occured)
Parameter U8001A U8002A
Over Voltage Protection Accuracy
± (% of output + offset)
<0.5% +0.5 V
Over Voltage Protection Programmable
Range
1 V to 33 V
Over Current Protection Accuracy
± (% of output + offset)
<0.5% +0.5 A
Over Current Protection Programmable
Range
1 A to 3.3 A 1 A to 5.5 A
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