LM2776DBVT

TEXAS INSTRUMENTS  LM2776DBVT  芯片, 电荷泵, 反相, -2.7V至-5.5V, SOT-23

The is a switched capacitor CMOS charge-pump Voltage Converter inverts a positive voltage in the range of 2.7 to 5.5V to the corresponding negative voltage. The LM2776 uses three capacitors to provide 200mA of output current without the size and electromagnetic interference EMI related to inductor-based converters. With an operating current of only 100µA and operating efficiency greater than 90% at most loads, the LM2776 provides ideal performance for battery-powered systems requiring a high power negative power supply.

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Inverts input supply voltage

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Low-current PFM mode operation

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Current limit and thermal protection

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No inductors

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2MHz Switching frequency

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Greater than 90% efficiency

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Green product and no Sb/Br