LM828
LM828 is Switched Capacitor Voltage Converter manufactured by Texas Instruments.
.ti.
SNOS035D
- MARCH 2010
- REVISED MAY 2013
LM828 Switched Capacitor Voltage Converter
Check for Samples: LM828
Features
- 2 Inverts Input Supply Voltage
- SOT-23 Package
- 20Ω Typical Output Impedance
- 97% Typical Conversion Efficiency at 5 mA
APPLICATIONS
- Cellular Phones
- Pagers
- PDAs
- Operational Amplifier Power Supplies
- Interface Power Supplies
- Handheld Instruments
DESCRIPTION
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 operates at 12 kHz switching...
