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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L99LD02 датащи(PDF) 19 Page - STMicroelectronics |
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L99LD02 датащи(HTML) 19 Page - STMicroelectronics |
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19 / 66 page  DS12448 Rev 3 19/66 L99LD02 Boost controller 64 Figure 8. 3 or 4 phase configuration with two L99LD02 devices For a proper current balancing between boost phases, identical external components (especially shunt resistors and inductors) must be used. In case of interconnection of two devices (3 or 4 phase systems), the following configuration must be applied: Dual-Phase Boost Controller SPI & Digital Interface Vregs Dual-Phase Boost Controller SPI & Digital Interface Vregs L99LD02 Boost phase 1 BST_OUT SN1 SP1 GO1 VS V10V COMP Boost phase 1 Q_BST1 D_BST1 Rshunt1 L_BST1 Cin Boost phase 2 D_BST2 L_BST2 Rshunt2 Q_BST2 SP2 GO2 Boost phase 2 D_BST2 L_BST2 BS S Rshunt2 Q_BST2 VIN SYNC_I/O VDD CSN SCLK SDI SDO SGND Cvs SN2 PGND PGND SGND PGND PGND PGND SGND PGND V3V3A V3V3D TM TMUX L99LD02 Boost phase 3 BST_OUT SN1 SP1 GO1 VS V10V COMP Boost phase 3 Q_BST1 D_BST1 Rshunt1 L_BST1 Boost phase 4 D_BST2 L_BST2 Rshunt2 Q_BST2 SP2 GO2 Boost phase 4 D_BST2 L_BST2 BS S Rshunt2 Q_BST2 SYNC_I/O VDD CSN SCLK SDI SDO SGND Cvs SN2 Cout VBOOST PGND PGND SGND PGND PGND PGND V3V3A V3V3D TM TMUX 4 |
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