The LM2682 is a CMOS charge-pump voltage inverter capableof 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 lowcost capacitors to provide 10 mA of output current withoutthe cost, size, and EMI related to inductor based circuits.With an operating current of only 150 μA and an operatingefficiency greater than 90% with most loads, the LM2682provides ideal performance for battery powered systems.The LM2682 offers a switching frequency of 6 kHz.