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AP3983DP7-G1 Datasheet(PDF) 8 Page - Diodes Incorporated |
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AP3983DP7-G1 Datasheet(HTML) 8 Page - Diodes Incorporated |
8 / 13 page AP3983B/C/D Document number: DS36784 Rev. 4 - 2 8 of 13 www.diodes.com July 2016 © Diodes Incorporated AP3983B/C/D Operation Description (Cont.) Leading Edge Blanking (LEB) When the power switch is turned on, a turn-on spike on the output pulse rising edge will occur on the sense-resistor. To avoid false termination of the switching pulse, a typical 500ns leading edge blanking is built in. During this blanking period, the current sense comparator is disabled and the gate driver cannot be switched off. The built-in LEB in AP3983B/C/D has shorter delay time from current sense terminal to output pulse than those IC solutions adopting external RC filter as LEB. Built-in Cable Compensation The AP3983B/C/D has built-in fixed voltage of 0.3V typical to compensate the drop of output cable when the load is changed from zero to full load. A typical 10nF external capacitor connected to the CPC pin is used to smooth voltage signal for cable compensation. Over Temperature Protection The AP3983B/C/D has internal thermal sensing circuit to shut down the PFM driver output when the die temperature reaches +160°C typical. When the die temperature drops about +40°C, the IC will recover automatically to normal operation. Ordering Information AP3983X XX XX - XX Packing Package TR : Tape & Reel M : SO-7 G1 : Green Product Name RoHS/Green AP3983B AP3983C AP3983D P7 : PDIP-7 Blank : Tube Package Temperature Range Part Number Marking ID Packing SO-7 -40°C to +105°C AP3983BMTR-G1 3983BM-G1 4000/Tape & Reel SO-7 AP3983CMTR-G1 3983CM-G1 4000/Tape & Reel PDIP-7 AP3983CP7-G1 AP3983CP7-G1 50/Tube PDIP-7 AP3983DP7-G1 AP3983DP7-G1 50/Tube |
Similar Part No. - AP3983DP7-G1 |
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Similar Description - AP3983DP7-G1 |
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