STLC3080 View Datasheet(PDF) - STMicroelectronics
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MFG CO.
'STLC3080' PDF : 23 Pages View PDF
Figure B2. Rfeed allowed values vs. Ilim (Vbat = -54V).
STLC3080
Figure B3. Rfeed allowed values vs. Ilim (Vbat = -60V).
EXAMPLE:
Considering the following parameters:
Vbat = -48V, max Tamb = 70°C, Ilim = 25mA,
Qext able to dissipate 1W, the possible values of
Rfeed can be found in fig. 1 and are limited by the
b2 curve (upper limit) and the a1 curve (lower
limit).
In particular considering the Ilim = 25mA the
Rfeed allowed range will be:
500Ω < Rfeed < 1700Ω
17/23
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