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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MIC2876 датащи(PDF) 11 Page - Microchip Technology |
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MIC2876 датащи(HTML) 11 Page - Microchip Technology |
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11 / 26 page  2016 Microchip Technology Inc. DS20005572A-page 11 MIC2876 3.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE Pin Number Fixed Output Pin Number Adj. Output Pin Name Description 1 1 SW Boost Converter Switch Node: Connect the inductor between IN and SW pins. 2 2 PGND Power Ground: The power ground for the synchronous boost DC/DC converter power stage. 3 3 IN Supply Input: Connect at least 1 µF ceramic capacitor between IN and AGND pins. 4 4 AGND Analog Ground: The analog ground for the regulator control loop. 5 — OUTS Output Voltage Sense Pin: For output voltage regulation in fixed voltage version. Connect to the boost converter output. — 5 FB Feedback Pin: For output voltage regulation in adjustable version. Connect to the feedback resistor divider. 6 6 EN Boost Converter Enable: When this pin is driven low, the IC enters shutdown mode. The EN pin has an internal 2.5 MΩ pull-down resistor. The output is disabled when this pin is left floating. 7 7 /PG Open Drain Power Good Output (Active Low): The /PG pin is high impedance when the output voltage is below the power good threshold and becomes low once the output is above the power good threshold. The /PG pin has a typical RDS(ON) = 90Ω and requires a pull up resistor of 1 MΩ. Connect /PG pin to AGND when the /PG signal is not used. 8 8 OUT Boost Converter Output. EP EP ePad Exposed Heat Sink Pad. Connect to AGND for best thermal performance. |
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