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L6740LTR 데이터시트(PDF) 5 Page - STMicroelectronics |
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L6740LTR 데이터시트(HTML) 5 Page - STMicroelectronics |
5 / 44 page L6740L Typical application circuit and block diagram 5/44 Figure 2. Typical 3+1 application circuit HS1 LS1 VIN L1 CHF CBULK_IN CDEC ST L6740L (3+1) Reference Schematic HS2 LS2 L2 CHF CDEC HS3 LS3 L3 CHF CDEC HSNB LSNB LNB COUT CHF_NB CBULK_NB CDEC_NB PWM1 48 PWM2 47 PWM3 46 PWM4 45 NB_PWM 44 CS1+ 13 CS1- 14 CS2+ 15 CS2- 16 CS3+ 17 CS3- 18 CS4+ 19 CS4- 20 NB_ISEN 23 CMLCC COUT_NB CMLCC_NB FBG 7 NB_VSEN 31 VSEN 6 NB_FBG 30 PVI / SVID AM2 CPU SVID / PVID Interface LIN 34 32 33 DROOP 5 FB 4 COMP 3 NB_OS 29 OS 8 OSC / FLT 27 OVP / V_FIX 10 VID1 36 VID3/SVC 39 VID4 25 VID5 26 PVI / SVID Bus NB_ENDRV 42 ENDRV 43 2 1 VID2/SVD 40 CF RF RFB CF_NB RF_NB RFB_NB ROSC ROVP RG RG RG RG RISEN R C R C R C BOOT UGATE PHASE LGATE GND PWM VCC EN* PVCC* BOOT UGATE PHASE LGATE GND PWM VCC EN* PVCC* BOOT UGATE PHASE LGATE GND PWM VCC EN* PVCC* BOOT UGATE PHASE LGATE GND PWM VCC EN* PVCC* (*) PVCC Only applies to L6741; EN Only applies to L6743. See related DS for further details (**) Pin not listed to be considered as Not Connected 35 38 37 41 VID0 EN PWROK PWRGOOD PSI_L 12 CLTB RLTB LTB 11 LTB_GAIN RLTBG 9 OC_AVG / LI 28 ROC_AVG OC_PHASE 21 ROC_TH |
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