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LM2780 Datasheet - National Semiconductor

LM2780 Ultra-Low Ripple Switched Capacitor Voltage Inverter

The LM2780 is a charge pump that inverts an input voltage in the range of 1.8V to 5.5V to the corresponding output voltage of -1.8V to -5.5V. With use of three or four low-cost external ceramic capacitors, the LM2780 can provide up to 50mA of output current. The LM2780 operates at a 12kHz typical sw.

LM2780 Features

* n Inverts Input Voltage n Ultra-Low Voltage Ripple and 8Ω Typical Output Resistance with Two Flying Capacitors n Output Resistance of 18Ω Using One Flying Capacitor n 12kHz (typ.) Switching Frequency n 8-pin micro SMD Package (1.4mm x 1.4mm x 0.5mm) Applications n n n n n n Cellular Phones Pagers P

LM2780 Datasheet (186.12 KB)

Preview of LM2780 PDF

Datasheet Details

Part number:

LM2780

Manufacturer:

National Semiconductor

File Size:

186.12 KB

Description:

Ultra-low ripple switched capacitor voltage inverter.

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LM2780 Ultra-Low Ripple Switched Capacitor Voltage Inverter National Semiconductor

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