Derating Curves
SRS10A-12-5.0 - V
IN
= 12 VDC, V
OUT
= 5.0 VDC
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SRS10A-12-5.0 - V
IN
= 12 VDC, V
OUT
= 3.3 VDC
SRS10A-12-5.0 - V
IN
= 12 VDC, V
OUT
= 2.5 VDC
SRS10A-12-5.0 - V
IN
= 12 VDC, V
OUT
= 2.0 VDC
SRS10A-12-5.0 - V
IN
= 12 VDC, V
OUT
= 1.8 VDC
SRS10A-12-5.0 - V
IN
= 12 VDC, V
OUT
= 1.5 VDC
SRS10A-12-5.0 - V
IN
= 12 VDC, V
OUT
= 1.2 VDC
SRS10A-12-5.0 - V
IN
= 12 VDC, V
OUT
= 0.75 VDC
Temperature Measurement
p
These switching regulators may be used in a wide variety of thermal
environments, but must be properly cooled to ensure long reliable
operation. The derating curves shown above are approximations of
the ambient temperature and airflow required to maintain the switch-
ing regulator temperature below its maximum rating.
Airflow should move parallel to the long axis of the unit, as shown at
left. Proper cooling can be verified by measuring the temperature at
pin six of Q
1
(as shown at left). The thermocouple should be mounted
approximately 0.5 in. off the unit board. The temperature at this loca-
tion should not exceed 110°C.
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•
292 Page Street Ste D Stoughton, MA 02072
•
TEL: (781) 344-8226
•
FAX: (781) 344-8481
•
E-Mail: sales@micropowerdirect.com
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