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MAX870 Datasheet Switched-capacitor Voltage Inverters

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-1240; Rev 0; 6/97 Switched-Capacitor Voltage Inverters _______________General.

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.

Key Features

  • o 5-Pin SOT23-5 Package o 99% Voltage Conversion Efficiency o Invert Input Supply Voltage o 0.7mA Quiescent Current (MAX870) o +1.4V to +5.5V Input Voltage Range o Require Only Two Capacitors o 25mA Output Current o Shutdown Control MAX870/MAX871 ______________Ordering Information PART MAX870C/D MAX870EUK MAX871C/D MAX871EUK TEMP. RANGE 0°C to +70°C -40°C to +85°C 0°C to +70°C -40°C to +85°C.

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MAX870 Distributor