STMicroelectronics

LM723CN

LM723CN Description

The LM723CN is a linear voltage regulator IC manufactured by STMicroelectronics, designed for applications requiring a positive, adjustable output voltage. With a single regulator, it is capable of delivering up to 150mA of output current. The LM723CN is obsolete, but it remains a reliable choice for certain applications due to its REACH unaffected status and compliance with the ROHS3 standard.

LM723CN Features

• Adjustable Output Voltage: The LM723CN offers an adjustable output voltage ranging from a minimum of 2V to a maximum of 37V, providing flexibility in various applications.
• High PSRR: The LM723CN boasts a power supply rejection ratio (PSRR) of 86dB to 74dB across frequencies from 100Hz to 10kHz, ensuring stable operation under varying input conditions.
• Low Quiescent Current: With a quiescent current (Iq) of just 4mA, the LM723CN is energy-efficient, making it suitable for low-power applications.
• Over Current Protection: The LM723CN features over current protection, safeguarding the device and the system from potential damage due to excessive current draw.
• Temperature Range: The LM723CN operates within a temperature range of 0°C to 70°C, making it suitable for a wide range of environments.

LM723CN Applications

The LM723CN is ideal for applications where a stable and adjustable output voltage is required. Some specific use cases include:

• Battery-powered devices: Due to its low quiescent current, the LM723CN is well-suited for battery-powered applications where power efficiency is crucial.
• Industrial control systems: The LM723CN's adjustable output voltage and over current protection make it a reliable choice for industrial control systems where precise voltage regulation is necessary.
• Audio equipment: The LM723CN's high PSRR ensures stable operation in audio equipment, where signal integrity is paramount.

Conclusion of LM723CN

While the LM723CN is an obsolete product, it remains a viable option for certain applications due to its adjustable output voltage, high PSRR, and over current protection. Its REACH unaffected status and ROHS3 compliance also make it an environmentally friendly choice. Although it may not offer the latest advancements in voltage regulation technology, the LM723CN's proven performance and reliability make it a suitable choice for applications where these features are critical.