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SMB119 Folha de dados(PDF) 5 Page - Summit Microelectronics, Inc. |
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SMB119 Folha de dados(HTML) 5 Page - Summit Microelectronics, Inc. |
5 / 34 page SMB119 Summit Microelectronics, Inc 5 PIN DESCRIPTIONS (Continued) Pin Number Pin Name Pin Type Pin Description 26 VBATT Power Power Input for Controller. Connect to +2.7V to +6.0V voltage source 27 COMP1 Input Boost converter 1 compensation pin. Connect to R/C compensation network 28 CSH1 Input Boost converter 1 current sense high. Connect to high side of sense resistor 29 CSL1 Input Boost converter 1 current sense low. Connect to low side of sense resistor 30 FB1 Input Boost converter 1 feedback pin. Connect to external resistor divider 31 DRVL1 Output Boost converter 1 low-side drive. Connect to NFET gate 32 DRVL2 Output Boost converter 2 low-side drive. Connect to NFET gate 33 FB2 Input Boost converter 2 feedback pin. Connect to external resistor divider 34 CSH2 Input Boost converter 2 current sense high. Connect to high side of sense resistor 35 CSL2 Input Boost converter 2 current sense low. Connect to low side of sense resistor 36 COMP2 Input Boost converter 2 compensation pin. Connect to R/C compensation network 37 PCHSEQ2 Output Boost converter 2 sequence. Connect to PFET gate for boost channel on/off and sequencing. Must be tied to ground when unused. 38 LDOIN3 Power LDO Power Input. Connect to +2.7V to +6.0V to supply internal LDO 39 LDOOUT3 Input/Output LDO Output/Feedback 40 SW5 Input/Output Buck converter 5 switch pin. Connect to drains of NFET 41 VIN5 Power Buck Converter 5 Power. Connect to +2.7V to +6.0V to supply internal PFET 42 DRVL5 Output Buck converter 5 low-side drive. Connect to NFET gate 43 FB5 Input Buck converter 5 feedback pin. Connect directly to output 44 COMP5 Input Buck converter 5 compensation pin. Connect to type 2 R/C compensation network 45 SHDN Input Shutdown. Active high, disables all functions of the SMB119 for low power operation. SHDN is bypassed when DOCK_DC is present. 46 SDA Input/Output I 2C Data 47 SCL Input I 2C Clock 48 nALERT Output Fault Interrupt. Latched, open drain active low output. Flag for all fault conditions (multiplexed) PAD DRVGND Ground Power Ground. Internally connect to under package pad. Connect to isolated PCB ground plane/flood |
Nº de peça semelhante - SMB119 |
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Descrição semelhante - SMB119 |
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