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ST3M01DTR Folha de dados(PDF) 3 Page - STMicroelectronics |
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ST3M01DTR Folha de dados(HTML) 3 Page - STMicroelectronics |
3 / 11 page ST3M01 3/11 CONNECTION DIAGRAM (top view) PIN DESCRIPTION Pin N° Symbol Name and Function 1 GND SW Switching Ground. Must be low impedance; solder directly to GND plane 2 GND SW Switching Ground. Must be low impedance; solder directly to GND plane 3 Virtual GND Virtual GND. Open Drain N-Cnannel MOSFET: must be high impedance when the Low Battery condition is detected. 4 LBO Low Battery Output. Open Drain N-Cnannel MOSFET: sinks current when the input voltage drops below 2V typically. 5VREF Reference Voltage Output. Bypass with 0.1 µF to improve the linears V REF thermal noise performance . 6 IN Linear Linear Input. Must be connected togheter with IN SW to the input supply. 7OUT LB Linear B Output port. 1.9V typically. 8 SHDN Shutdown Input. Disables the SMPS and LA output, but the LB, the referencevoltage and the low batery comparator remain active. 9 GND Signal Signal GND. Must be connected togheter with the Switching Ground. 10 OUT LA Linear A Output port. 3V typically. 11 OUT DC/DC DC/DC Output Port: 3.3V typically. 12 IN SW SMPS Input. Must be connected togheter with IN_Linear to the input supply. 13 LX 1.5A N-Channel Power MOSFET Drain. 14 LX 1.5A N-Channel Power MOSFET Drain. |
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Descrição semelhante - ST3M01DTR |
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