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ST750ACN Scheda tecnica(PDF) 3 Page - STMicroelectronics |
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ST750ACN Scheda tecnica(HTML) 3 Page - STMicroelectronics |
3 / 9 page ST750A 3/9 CONNECTION DIAGRAM (top view) PIN DESCRIPTION Pin N° Symbol Name and Function 1 SHDN Shutdown control (active low): If connected to GND the IC is in shutdown. Connect to VCC for normal operation (ON MODE) 2 REF Reference Output Voltage: (1.25V): Bypass to GND with a capacitor that does not exceed 47nF 3 SS Soft Start: a capacitor between SS and GND provides soft-start and short-circuit protections. 4 CC Compensation Capacitor Input: externally compensates the outer (voltage) feedback loop. Connect to OUT with 330pF capacitor 5 IC Internal Connection: make no external connection to this pin 6 GND Ground 7 LX Switch Output. Drain of internal P-Channel Power MOSFET 8VCC Supply Voltage Input. Bypass to GND with 1 µF ceramic capacitance and large value electrolytic capacitor in parallel. The 1 µF capacitor must be as close as possible to the GND and VCC pins |
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