UPC1934 查看數據表（PDF） - NEC => Renesas Technology

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UPC1934

DC-DC CONVERTER CONTROL IC

NEC => Renesas Technology 

Timing Charts

Channel 1 soft start

DTC1

Channel 1

OUT1

Channel 2

OUT2

CT

FB1

DTC2

CT

FB2

DLY

Normal operation

ON OFF

ON OFF

Short-load

Stop output

VTH

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.

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