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MAX1735 - 200mA / Negative-Output / Low-Dropout Linear Regulator

General Description

The MAX1735 negative-output, low-dropout linear regulator operates from a -2.5V to -6.5V input and delivers a guaranteed 200mA with a low 80mV dropout.

The highaccuracy (±1%) output voltage is preset or can be adjusted from -1.25V to -5.5V with an external resistive voltage-divider.

Key Features

  • o Guaranteed 200mA Output Current o Low 80mV Dropout Voltage at 200mA o Low 85µA Quiescent Supply Current o Low 1nA Current Shutdown Mode o Stable with 1µF COUT o PSRR >60dB at 100Hz o Thermal Overload Protection o Short-Circuit Protection o -5.0V, -3.0V, or -2.5V Output Voltage or Adjustable (-1.25V to -5.5V) o Tiny SOT23-5 Package PART MAX1735EUK50-T MAX1735EUK30-T MAX1735EUK25-T Ordering Information TEMP RANGE -40°C to +85°C -40°C to +85°C -40°C to +85°C.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1783; Rev 1; 11/03 MAX1735 200mA, Negative-Output, Low-Dropout Linear Regulator in SOT23 General Description The MAX1735 negative-output, low-dropout linear regulator operates from a -2.5V to -6.5V input and delivers a guaranteed 200mA with a low 80mV dropout. The highaccuracy (±1%) output voltage is preset or can be adjusted from -1.25V to -5.5V with an external resistive voltage-divider. An internal N-channel MOSFET allows for a low 85µA quiescent current virtually independent of the load, making this device ideal for battery-powered portable equipment, such as PDAs, mobile phones, cordless phones, and wireless data modems. The device is available in several preset output voltage versions: -5.0V, -3.0V, and -2.5V.