STLQ020C18R - STMicroelectronics

Manufacturer Part Number

STLQ020C18R

Manufacturer

stmicroelectronics

Introduction

The STLQ020C18R is a low dropout (LDO) regulator designed for optimal power management, featuring fixed output and enable control features, housed in a compact SOT-323-5 package suitable for surface mount.

Product Features and Performance

Output Configuration: Positive

Output Type: Fixed

Number of Regulators: 1

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.8V

Dropout Voltage (Max): 0.16V @ 200mA

Output Current: 200mA

Quiescent Current (Iq): 1 µA

Supply Current (Max): 150 µA

Power Supply Rejection Ratio (PSRR): 52dB ~ 45dB (100Hz ~ 10kHz)

Control Features: Enable

Protection Features: Over Current, Over Temperature

Product Advantages

High efficiency with low dropout voltage

Ultra-low quiescent current enhances battery life

Reliable operation with built-in over current and over temperature protection

Key Technical Parameters

Max Input Voltage: 5.5V

Min Output Voltage: 1.8V

Max Dropout Voltage: 0.16V @ 200mA

Output Current: 200mA

PSRR: 52dB ~ 45dB

Operating Temperature Range: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Compatibility

Compatible with a variety of applications requiring 1.8V fixed output under 5.5V input

Housing in SOT-323-5 package suitable for surface mounting

Application Areas

Mobile and portable devices

Wireless communication equipment

Consumer electronics

Product Lifecycle

Product Status: Active

No current indications of nearing discontinuation

Availability of replacements or upgrades not specified

Several Key Reasons to Choose This Product

Low dropout voltage ideal for battery-operated devices

Ultra-low quiescent current for extended battery life

High PSRR offering stable output despite variations in input voltage

Wide range of operating temperatures making it versatile for various environments

Built-in safety features ensuring device longevity and reliability