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LM2642MTCX Datasheet(PDF) 9 Page - Texas Instruments |
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LM2642MTCX Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 31 page  - Vref + - ILIMx KSx 10uA RSNSx + VDDx LDRVx PGNDx Input Power Supply Shoot through protection sequencer Q Q R S Shifter & latch + - + 0.50V + - Corrective ramp SGND OSC 300 kHz 0 180 To Ch2 PGOOD Q Q R S Reset by POR or SD UVP OVP ON/SSx ON/OFF & S/S control PWM comp 5V LDO (Allways ON) fault FAULT TSD UVLO OVP UVPG1 comparator UVP COMPx CHx output error amp BG Ch1 and Ch2 are identical HDRVx CHx Output S/S level Cycle Skip comp SWx Q Q R S UV_DELAY + - + - ILIM Comp ISENSE amp + - CBOOTx - + BG reference BG IREF Current bias Voltage and Current generator From another Ch. From another CH. Bias Generator VIN Normal: ON SS: ON FBx 2uA VLIN5 7uA SD Disable Active discharge Rdson= 500 Ohm 5uA UV PWM logic control LM2642 www.ti.com SNVS203I – MAY 2002 – REVISED APRIL 2013 BLOCK DIAGRAM Copyright © 2002–2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM2642 |
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