onsemi

NCP161AMX500TBG

NCP161AMX500TBG Description

The NCP161AMX500TBG is a linear regulator IC designed for power management applications, offering a fixed output voltage of 5V and a maximum output current of 450mA. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in a 4x4 DFN package, making it suitable for surface mount applications. Despite being marked as obsolete, the NCP161AMX500TBG remains a reliable choice for applications requiring a stable and efficient power supply.

NCP161AMX500TBG Features

• Output Type: Fixed
• Voltage - Input (Max): 5.5V
• Current - Output: 450mA
• Number of Regulators: 1
• Output Configuration: Positive
• Voltage - Output (Min/Fixed): 5V
• Voltage Dropout (Max): 0.19V @ 450mA
• Current - Quiescent (Iq): 23 µA
• PSRR: 91dB to 48dB (100Hz to 100kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature, Soft Start
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package: Tape & Reel (TR)
• Mounting Type: Surface Mount
• Compliance: ROHS3 Compliant, REACH Unaffected

The NCP161AMX500TBG stands out with its low dropout voltage of 0.19V at 450mA, ensuring high efficiency even at low input-to-output voltage differentials. Its quiescent current of 23 µA minimizes power consumption, making it ideal for battery-powered devices. The regulator also offers excellent power supply rejection ratio (PSRR), ranging from 91dB at 100Hz to 48dB at 100kHz, which helps in maintaining a clean output voltage under varying input conditions.

NCP161AMX500TBG Applications

The NCP161AMX500TBG is well-suited for a variety of applications where a stable 5V supply is required. Its low dropout voltage and high efficiency make it particularly useful in portable electronic devices, such as smartphones, tablets, and wearable technology. The regulator's ability to handle over current and over temperature conditions ensures robust performance in demanding environments.

Specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power components in consumer devices.
• Industrial Applications: Suitable for industrial control systems where a reliable and efficient power supply is crucial.
• Medical Devices: Can be used in medical equipment that requires a stable power source with minimal noise and high reliability.

Conclusion of NCP161AMX500TBG

The NCP161AMX500TBG is a versatile linear regulator that offers a combination of high efficiency, low dropout voltage, and robust protection features. Despite its obsolete status, it remains a reliable choice for applications requiring a stable 5V supply. Its low quiescent current and excellent PSRR make it suitable for a wide range of applications, from portable electronics to industrial systems. For designers seeking a compact, efficient, and reliable power solution, the NCP161AMX500TBG is an excellent option to consider.