STLQ020J18R Low Dropout Voltage Regulator

The STLQ020J18R is a highly efficient, low dropout (LDO) voltage regulator designed and manufactured by STMicroelectronics, a global semiconductor leader known for its innovative and reliable products. This compact and robust component is optimized for battery-powered applications and systems that require a stable and clean power supply.

Key Features

• Ultra-Low Quiescent Current: The STLQ020J18R boasts an ultra-low quiescent current of just 500 nA (typical), which is particularly beneficial for prolonging battery life in portable devices.
• Low Dropout: With a low dropout voltage of only 100 mV (typical) at 200 mA load, it ensures efficient operation even when the input voltage is close to the output voltage, making it ideal for applications with tight voltage margins.
• Wide Input Voltage Range: The device supports a wide input voltage range from 2.5 V to 5.5 V, providing flexibility in various power supply scenarios.
• High Output Voltage Accuracy: It delivers a fixed output voltage of 1.8 V with high accuracy, ensuring reliable performance for sensitive electronic circuits.
• Thermal Protection: The regulator includes thermal shutdown protection that safeguards the device and the system from damage due to excessive temperature.
• Current Limiting: Built-in current limiting protects the device and the load from overcurrent conditions.

Applications

The STLQ020J18R is suited for a variety of applications, particularly where power efficiency and space constraints are critical. It is an excellent choice for:

• Portable and wearable devices
• IoT devices and smart sensors
• Healthcare and medical equipment
• Energy harvesting systems
• Microcontroller power supply

Package and Availability

The STLQ020J18R LDO voltage regulator is available in a small SOT323-5L package, which is ideal for space-constrained applications. Its small footprint and low profile make it easy to integrate into a wide range of electronic assemblies. STMicroelectronics provides this LDO in different output voltage versions, catering to various design requirements.

In summary, the STLQ020J18R from STMicroelectronics is an excellent choice for designers looking for a power-efficient voltage regulator that combines low quiescent current with a low dropout voltage, high output voltage accuracy, and robust protection features.