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MAX1673 Datasheet Regulated / 125ma-output / Charge-pump DC-dc Inverter

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-1334; Rev 0; 1/98 Regulated, 125mA-Output, Charge-Pump DC-DC.

General Description

The MAX1673 charge-pump inverter provides a lowcost, compact means of generating a regulated negative output from a positive input at up to 125mA.

It requires only three small capacitors, and only two resistors to set its output voltage.

The input range is 2V to 5.5V.

Key Features

  • a 1µA logic-controlled shutdown mode and is available in a standard 8-pin SO package. For a device that delivers about 10mA and fits in a smaller package, refer to the MAX868. ____________________________Features o Regulated Negative Output Voltage (up to -1 x VIN) o 125mA Output Current o 35µA Quiescent Supply Current (Skip-mode regulation) o 350kHz Fixed-Frequency, Low-Noise Output (Linear-mode regulation) o 2V to 5.5V Input Range o 1µA Logic-Controlled Shutdown MAX1673 _______________Order.

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