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LM5642 Datasheet(PDF) 9 Page - Texas Instruments |
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LM5642 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 40 page - Vref + - ILIMx KSx 10 PA RSNSx + VDDx LDRVx PGNDx Input Power Supply Shoot through protection sequencer Q R S Shifter and latch + - + 0.50V + - Corrective ramp SGND OSC 200 kHz LM5642 or 375 kHz LM5642X 0 2.5 Ps delay To Ch2 Q Q R S Reset by POR or SD UVP OVP ON/SSx ON/OFF and 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 2 PA VLIN5 SD Disable Active discharge Rdson = 500: UV PWM logic control SYNC Q 7 PA 5 PA LM5642, LM5642X www.ti.com SNVS219J – MAY 2004 – REVISED MAY 2011 BLOCK DIAGRAM Figure 5. Block Diagram Copyright © 2004–2011, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM5642 LM5642X |
Similar Part No. - LM5642_14 |
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Similar Description - LM5642_14 |
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