TNY278PN is a high-performance power management chip with high integration, low cost and high reliability. The pin functions of the TNY278PN are as follows:
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2. Drain pin (pin 2) : It is used to connect the drain of the external MOSFET and is also the main power switch pin of the chip.
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3. Source pin (Pin 3) : Used to connect the source of the external MOSFET.
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4. FB pin (Pin 4) : The feedback pin is used to connect the feedback network and compare the output voltage with the internal reference voltage.
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5.D pin (pin 5) : Current limiting pin, used to limit the maximum output current of the chip.
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6. G pin (pin 6) : Ground pin, used to connect to the power supply.
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7. EN\/UV pin (pin 7) : The control pin is used to start and close the chip, and is also the undervoltage protection pin.
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In summary, the pin function of TNY278PN is very perfect, which can meet a variety of application scenarios and needs.
1 pin EN\/UV voltage regulator, 2 pin BP\/M feedback voltage input, 3 pin empty, 4 pin MOSFET switch tube drain, 5 pin MOSFET switch tube source.