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Switched Capacitor Voltage Doubling Inverter


Package | PIN: DGK | 8
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $1.59
10-24 $1.42
25-99 $1.31
100-249 $1.12
250-499 $1.04
500-749 $0.85
750-999 $0.68
1000+ $0.61


  • 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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Texas Instruments  LM2682MM/NOPB

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.