LM2682 Texas instruments

LM2682

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LM2682

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Описание

The LM2682 is a CMOS charge-pump voltage inverter capable of converting positive voltage in the range of +2.0V to +5.5V to the corresponding doubled negative voltage of −4.0V to −11.0V respectively. The LM2682 uses three low cost capacitors to provide 10 mA of output current without the cost, size, and EMI related to inductor based circuits. With an operating current of only 150 μA and an operating efficiency greater than 90% with most loads, the LM2682 provides ideal performance for battery powered systems. The LM2682 offers a switching frequency of 6 kHz.

Inverts Then Doubles Input Supply Voltage
Small VSSOP Package and SOIC Package
90Ω Typical Output Impedance
94% Typical Power Efficiency at 10 mA

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Vin (min) (V)	2
Vin (max) (V)	5.5
Vout (max) (V)	-11.6
Iout (max) (A)	0.01
Regulated outputs (#)	1
Switching frequency (max) (kHz)	15
Iq (typ) (mA)	0.15
Operating temperature range (°C)	-40 to 85
Rating	Catalog
Type	Charge pump