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Part Number MAX871
Manufacturers Maxim
Logo Maxim
Description Switched-Capacitor Voltage Inverters
Datasheet MAX871 DatasheetMAX871 Datasheet (PDF)

  MAX871   MAX871
19-1240; Rev 0; 6/97 Switched-Capacitor Voltage Inverters _______________General Description The ultra-small MAX870/MAX871 monolithic, CMOS charge-pump inverters accept input voltages ranging from +1.4V to +5.5V. The MAX870 operates at 125kHz, and the MAX871 operates at 500kHz. Their high efficiency (90%) and low operating current (0.7mA for the MAX870) make these devices ideal for both battery-powered and board-level voltage-conversion applications. Oscillator control circuitry and four power MOSFET switches are included on-chip. A typical MAX870/ MAX871 application is generating a -5V supply from a +5V logic supply to power analog circuitry. Both parts come in a 5-pin SOT23-5 package and can deliver 25mA with a voltage drop of 500mV. For applications requiring more power, the MAX860 delivers up to 50mA with a voltage drop of 600mV, in a space-saving µMAX package. ____________________________Features o 5-Pin SOT23-5 Package o 99% Voltage Conversion Efficiency o Invert Input Supply V.



MAX870 MAX871 MAX873


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