ADP121-AUJZ18R7 - Analog Devices Inc.

Manufacturer Part Number

ADP121-AUJZ18R7

Manufacturer

analog-devices

Introduction

The ADP121-AUJZ18R7 is a low dropout (LDO) linear voltage regulator designed for power-sensitive applications, providing a fixed 1.8V output from inputs up to 5.5V.

Product Features and Performance

Low dropout voltage

Output voltage fixed at 1.8V

Supports up to 150mA output current

Very low quiescent current of 21 µA, maximizing battery life in portable applications

Maximum supply current of 40 µA under load

Includes enable control feature, allowing the regulator to be turned off for power savings

Over Current, Over Temperature, and Under Voltage Lockout (UVLO) protection features improve product reliability and safety

Product Advantages

High efficiency due to low dropout performance

Enhanced battery life for portable applications due to ultra-low Iq

Robust protection features ensure long-term reliability

Compact SOT-23-5 package suitable for space-constrained applications

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.8V

Current Output: 150mA

Current Quiescent (Iq): 21 µA

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Under Voltage Lockout (UVLO)

Compatibility

Suitable for a wide variety of applications requiring a 1.8V fixed output voltage

Compatible with surface mount technology for PCBs

Application Areas

Battery-powered devices

Portable electronics

Wearable technology

IoT Devices

Microcontroller power supply

Product Lifecycle

Status: Active

The product is not near discontinuation and replacements or upgrades are not necessary at this time

Several Key Reasons to Choose This Product

Exceptional low dropout performance allows for efficient use of power

Ultra-low quiescent current extends battery life, ideal for portable and battery-operated devices

Robust suite of protection features ensures reliability and safety in demanding applications

Compact packaging enables use in space-constrained applications without sacrificing performance

Active product lifecycle status ensures long-term availability and support