Crane Aerospace & Electronics Power Solutions
SMTR Single, Dꢀꢁl ꢁnd Triple DC/DC Converters
28 VOꢂT INPuT – 30 WaTT – PENDINꢃ REVISION F REꢂEaSE
ꢀotes SMTR Dual Output Models
(All temperatures in tables and notes refer to case temperature, TC.)
1. ꢃꢀꢁrꢁnteed ꢆꢄ design, not tested.
6. Effect on the negative output under the following conditions:
+Pout 50%; –Pout 10% to 50%
2. The specified max current is available from either output.
3. Up to 90% of the total output current/power is available from either output
providing the positive output is carrying at least 10% of the total output
power.
7. Tested with 6800 pF ceramic bypass capacitors connected externally from
input common to case.
8. Indefinite short circuit protection not guaranteed above 125°C case temper-
ature.
4. Operation is limited below 16 V (see Figure 22).
5. Effect on the negative output under the following conditions:
+Pout 20% to 80%; –Pout 80% to 20%
9. Recovery time is measured from application of the transient to point at
which Vout is within 1% of final value.
10.ꢀTransitionꢀtimeꢀ≥ꢀ10ꢀµs.
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Rev F - 20090324 - Pending Revision F Release
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