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TPS2343 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS2343 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 40 page TPS2343 SLUS644B − FEBRUARY 2005 − MAY 2005 3 www.ti.com SIMPLIFIED BLOCK DIAGRAM 3 2 3VAUXI To Slot B + 2.2 V SQ Q R AUX FAULT LATCH 2.5 ms Turn−Off Delay + 3VAUXA 10 ms Turn−On Delay 77 PMEA OVERCURRENT SENSE 63 P12VGA + + 66 5VSA 67 5VISA SQ Q R MAIN FAULT LATCH Thermal Shutdown 64 P12VINA 62 P12VOA 60 M12VOA 61 M12VINA OVER− CURRENT SENSE 43 42 10 PWRGND1 59 ANAGND2 40 DIGVCC 41 DIGGND1 2.9 V 71 PWRGND2 ALEDENA 47 SWA 23 ANAGND1 25 DIGGND2 + 74 3VSA 75 3VISA 68 VIOSA 69 VIOISA 70 73 3VIOGA 15VIOGA 1 3VAUXGA 56 DIGGND3 Slot A shown Slot B is identical + 54 FAULTA 53 48 PWRENA PLEDENA 50 PCIXCAPA 45 46 PWRLEDA ATTLEDA PCIXCAP Decoder 57 55 51 PCIXCAP1A PCIXCAP2A PCIXCAP3A To Logic AUXFLTA 78 PMEOA 65 5VGA 22 MISET 100 mA I−limit threshold 76 3VGA 44 VIOSELA 49 PWROFFA 52 OUTUVA P12VOA 5VISA 3VISA VIOIS OUTPUTS LOW M12VOA P12VOA 5VISA 3VISA OUTPUT UV In this drawing, circuits related to many functions are oversimplified. See the Application Section of the data sheet for a more detailed representations of these functions. Osolete Device |
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