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LT3021-1.8 Datasheet Very Low Dropout Linear Regulator

Manufacturer: Linear Technology (now Analog Devices)

Download the LT3021-1.8 datasheet PDF. This datasheet also includes the LT3021 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (LT3021_LinearTechnology.pdf) that lists specifications for multiple related part numbers.

General Description

The LT®3021 is a very low dropout voltage (VLDO™) linear regulator that operates from input supplies down to 0.9V.

This device supplies 500mA of output current with a typical dropout voltage of 160mV.

The LT3021 is ideal for low input voltage to low output voltage applications, providing comparable electrical efficiency to that of a switching regulator.

Key Features

  • n VIN Range: 0.9V to 10V n Dropout Voltage: 160mV Typical n Output Current: 500mA n Adjustable Output (VREF = VOUT(MIN) = 200mV) n Fixed Output Voltages: 1.2V, 1.5V, 1.8V n Stable with Low ESR, Ceramic Output Capacitors (3.3μF Minimum) n 0.2% Load Regulation from 0mA to 500mA n Quiescent Current: 120μA (Typ) n 3μA Typical Quiescent Current in Shutdown n Current Limit Protection n Reverse-Battery Protection n No Reverse Current n Thermal Limiting with Hysteresis n 16-Pin DFN (5mm × 5mm) and 8-Lea.