Fig. 14. FET Vds Waveform of the PRC Circuit
4) Dropper Circuit
(
FAN12V
)
[Function Description]
The FAN12V circuit step-down transforms 15V into 12V by using the dropper IC SI-3050J (IC8021).
[Protection Features]
-Over Voltage Protection.
The built-in over-voltage protection circuit is activated when the input voltage overruns.
-Over Current Protection
The built-in over-current protection circuit is activated around 2.1A.
-Overheating Protection
A built-in overheating protection circuit is employed.
Fig. 15. Dropper Circuit
Samsung Electronics 6-
19
Circuit Operation Description
Summary of Contents for D61B
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