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NCP161AFCT350T2G

NCP161AFCT350T2G Description

The NCP161AFCT350T2G is a linear regulator IC designed for power management applications, featuring a fixed output voltage of 3.5V and capable of delivering up to 450mA of current. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in a 4WLCSP package suitable for surface-mount applications. Despite its obsolete status, the NCP161AFCT350T2G remains a reliable choice for applications requiring a stable and efficient power supply.

NCP161AFCT350T2G Features

• Output Type: Fixed, ensuring a stable 3.5V output voltage.
• Input Voltage Range: Maximum input voltage of 5.5V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 450mA, suitable for a variety of low-power applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.255V at 450mA ensures high efficiency, even at low input-to-output voltage differentials.
• Low Quiescent Current: Only 23 µA, minimizing power consumption in standby mode.
• High PSRR: Ranging from 91dB at 100Hz to 48dB at 100kHz, this regulator effectively suppresses noise from the input power supply.
• Control Features: Includes an enable function, allowing for dynamic control of the regulator's operation.
• Protection Features: Over-current and over-temperature protection, along with soft start, ensure reliable operation and protect against transient conditions.
• Compliance: ROHS3 compliant and REACH unaffected, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for various manufacturing environments.

NCP161AFCT350T2G Applications

The NCP161AFCT350T2G is ideal for a range of applications where a stable and efficient power supply is critical. Its low dropout voltage and high PSRR make it particularly suitable for battery-powered devices, where minimizing power loss and maintaining signal integrity are essential. The enable function allows for dynamic power management, making it a good fit for applications requiring power sequencing or sleep modes.

Specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics where battery life and efficiency are paramount.
• Low-Power Systems: Suitable for IoT devices, wearable technology, and other applications with limited power budgets.
• Signal Processing Applications: The high PSRR ensures clean power supply to sensitive analog circuits, reducing noise and improving performance.

Conclusion of NCP161AFCT350T2G

The NCP161AFCT350T2G stands out in its category due to its combination of high efficiency, low dropout voltage, and robust protection features. Despite being marked as obsolete, its performance characteristics make it a reliable choice for applications requiring a stable 3.5V output. The enable function and low quiescent current further enhance its suitability for dynamic power management scenarios. For engineers and designers seeking a compact, efficient, and reliable power solution, the NCP161AFCT350T2G remains a compelling option.