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LM2664M6X Fiches technique(PDF) 1 Page - National Semiconductor (TI) |
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LM2664M6X Fiches technique(HTML) 1 Page - National Semiconductor (TI) |
1 / 9 page LM2664 Switched Capacitor Voltage Converter General Description The LM2664 CMOS charge-pump voltage converter inverts a positive voltage in the range of +1.8V to +5.5V to the cor- responding negative voltage of −1.8V to −5.5V. The LM2664 uses two low cost capacitors to provide up to 40 mA of out- put current. The LM2664 operates at 160 kHz oscillator frequency to re- duce output resistance and voltage ripple. With an operating current of only 220 µA (operating efficiency greater than 91% with most loads) and 1 µA typical shutdown current, the LM2664 provides ideal performance for battery powered systems. The device is in SOT-23-6 package. Features n Inverts Input Supply Voltage n SOT23-6 Package n 12 Ω Typical Output Impedance n 91% Typical Conversion Efficiency at 40 mA n 1µA Typical Shutdown Current Applications n Cellular Phones n Pagers n PDAs n Operational Amplifier Power Suppliers n Interface Power Suppliers n Handheld Instruments Basic Application Circuits Voltage Inverter DS100031-1 +5V to −10V Converter DS100031-25 November 1999 © 1999 National Semiconductor Corporation DS100031 www.national.com |
Numéro de pièce similaire - LM2664M6X |
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