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LM2781 |
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| Part Number | LM2781 |
| Manufacturer | National Semiconductor |
| Description | The LM2781 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 capaci... |
| 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 210kHz (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 PDAs Op-Amp Power Supplies Interface Power Supplies Handheld Instruments
Typical Application Circuit
20044701
© 2003 National Semiconductor Corporation
DS200447
www.national.com
LM2781
Connection Diagram
8-Bump Thin Micro SMD Package NS Package Number TPA08
www.DataSheet4U.com
20044702
Pin... |
| Document |
 LM2781 Data Sheet
PDF 185.83KB |
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