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L6718 数据表(PDF) 7 Page - STMicroelectronics |
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L6718 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 71 page ![]() DocID023399 Rev 3 7/71 L6718 Typical application circuit and block diagram 1 Typical application circuit and block diagram 1.1 Application circuit Figure 1. Typical 4-phase application circuit LS1 L1 CHF Rtcm Ctcm +12V Rg BOOT UGATE PHASE LGATE VCC EN PWM4 CS3P SC3N SCSP SCSN SBOOT VR12 μ P LOAD VR12 SVID CSOUT CSMLCC PWM GND CDEC CF RF CI RI RFB CP RGND VSEN FB COMP IMON CSF RSF CSI RSI RSFB CSP SRGND SVSEN SFB SCOMP SIMON CLTB RLTB LTB SPHASE +7V VCC5 +5V GND (PAD) VR_HOT EN REF SREF/JEN +5V ST L6718 ST L6718 (4+1) Reference schematic COUT CMLCC HS1 LSs Ls CHF Rtcm_s Ctcm_s +12V Rg_s HSs LS2 L2 CHF Rtcm Ctcm +12V Rg HS2 LS3 L3 CHF Rtcm Ctcm +12V Rg HS3 LS4 L4 CHF Rtcm Ctcm +12V RG HS4 +12V BOOT UGATE PHASE LGATE VCC EN PWM GND CDEC +12V PWM3 SLGATE SHGATE CS1P CS1N BOOT1 PHASE1 LGATE1 HGATE1 CS2P CS2N BOOT2 PHASE2 LGATE2 HGATE2 OSC/FLT SOSC/SFLT ENABLE SVREADY VREADY VRHOT TM CONF1/PSI1 TCOMP STCOMP/DDR CONF0/PSI0 SCL/CONFIG3 SDA/CONFIG2 VCC12 RSIMON +5V CSREF RSREF CREF RREF RIMON STM RGate RGate RGate RGate RGate RGate RGate RGate RGate RGate Rboot Rboot Rboot Rboot Rboot Cboot Cboot Cboot Cboot Cboot AM12875v1 |
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