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LT1129 - Micropower Low Dropout Regulators

General Description

The LT®1129/LT1129-3.3/LT1129-5 are micropower low dropout regulators with shutdown.

The devices are capable of supplying 700mA of output current with a dropout voltage of 400mV at maximum output.

Key Features

  • n 400mV Dropout Voltage n 700mA Output Current n 50μA Quiescent Current n No Protection Diodes Needed n Adjustable Output from 3.8V to 30V n 3.3V and 5V Fixed Output Voltages n Controlled Quiescent Current in Dropout n Shutdown n 16μA Quiescent Current in Shutdown n Stable with 3.3μF Output Capacitor n Reverse Battery Protection n No Reverse Output Current n Thermal Limiting n Surface Mount SOT-223 and DD-Pak Packages.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LT1129-3.3 Micropower Low Dropout Regulators
LT1129-5 Micropower Low Dropout Regulators
LT1121 Micropower Low Dropout Regulators
LT1121-3.3 Micropower Low Dropout Regulators
LT1121-5 Micropower Low Dropout Regulators

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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FEATURES n 400mV Dropout Voltage n 700mA Output Current n 50μA Quiescent Current n No Protection Diodes Needed n Adjustable Output from 3.8V to 30V n 3.3V and 5V Fixed Output Voltages n Controlled Quiescent Current in Dropout n Shutdown n 16μA Quiescent Current in Shutdown n Stable with 3.3μF Output Capacitor n Reverse Battery Protection n No Reverse Output Current n Thermal Limiting n Surface Mount SOT-223 and DD-Pak Packages APPLICATIONS n Low Current Regulator n Regulator for Battery-Powered Systems n Post Regulator for Switching Supplies n 5V to 3.3V Logic Regulator LT1129/LT1129-3.3/LT1129-5 Micropower Low Dropout Regulators with Shutdown DESCRIPTION The LT®1129/LT1129-3.3/LT1129-5 are micropower low dropout regulators with shutdown.