switched capacitor voltage converter.
1
*2 Inverts Input Supply Voltage
* SOT-23 Package
* 20Ω Typical Output Impedance
* 97% Typical Conversion Efficiency at 5 mA
APPLICATIONS
* Cellular .
* Cellular Phones
* Pagers
* PDAs
* Operational Amplifier Power Supplies
* Interface Power Supplies .
The LM828 CMOS charge-pump voltage converter inverts a positive voltage in the range of +1.8V to +5.5V to the corresponding negative voltage of −1.8V to −5.5V. The LM828 uses two low cost capacitors to provide up to 25 mA of output current.
The LM828.
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