onsemi

NCP121AMX173TCG

NCP121AMX173TCG Description

The NCP121AMX173TCG is a fixed output linear voltage regulator designed to provide a stable 1.73V output voltage with a maximum dropout voltage of 0.075V at 150mA. Manufactured by onsemi, this regulator is housed in a 6x6mm DFN package, making it suitable for surface-mount applications. Despite being marked as obsolete, the NCP121AMX173TCG remains a reliable choice for applications requiring a compact, high-performance regulator. It features an enable control function, over-current protection, over-temperature protection, and under-voltage lockout (UVLO) to ensure robust operation.

NCP121AMX173TCG Features

• Fixed Output Voltage: Provides a stable 1.73V output, ideal for applications requiring a precise voltage supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.075V at 150mA, the NCP121AMX173TCG ensures efficient power conversion even at low input voltages.
• Enable Control Feature: Allows for dynamic control of the regulator's operation, enabling power savings and flexible system design.
• Protection Features: Over-current, over-temperature, and under-voltage lockout (UVLO) protections safeguard the regulator and connected circuits from damage.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 80dB to 70dB at 1kHz, minimizing the impact of input voltage variations on the output.
• Compliance: The NCP121AMX173TCG is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited) makes it suitable for a wide range of manufacturing environments without the need for special handling.

NCP121AMX173TCG Applications

The NCP121AMX173TCG is well-suited for a variety of applications where a stable, low dropout voltage regulator is required. Its compact size and robust protection features make it ideal for:

• Portable Electronics: Providing stable power to devices such as smartphones, tablets, and wearable technology.
• Embedded Systems: Ensuring reliable power supply in embedded systems and IoT devices.
• Medical Devices: Supplying stable power to medical equipment where precision and reliability are critical.
• Industrial Applications: Used in industrial control systems and automation where high PSRR and low dropout voltage are essential.

Conclusion of NCP121AMX173TCG

The NCP121AMX173TCG is a versatile and reliable linear voltage regulator that offers a stable 1.73V output with low dropout voltage and comprehensive protection features. Despite its obsolete status, it remains a valuable component for applications requiring a compact, high-performance regulator. Its enable control function, high PSRR, and compliance with environmental standards make it a preferred choice for designers looking to optimize power efficiency and system reliability.