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UPC1934 Datasheet(PDF) 7 Page - NEC

Part # UPC1934
Description  DC-DC CONVERTER CONTROL IC
PDF  20 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPC1934 Datasheet(HTML) 7 Page - NEC

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Channel 1
Channel 1 soft start
Normal operation
OUT1
Short-load
Stop output
OFF
ON
DTC1
FB1
CT
VTH
Channel 2
OUT2
DLY
OFF
ON
DTC2
FB2
CT
VUV
Remark These timings are an example when the channel 1 output has been a short- load. The outputs of channel 1 and 2 are also stopped when a short-
circuit protection circuit starts operation by detecting a short- load of channel 2.
Timing Charts



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