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ADP7159ACPZ-04-R2

ADP7159ACPZ-04-R2 Description

The ADP7159ACPZ-04-R2 is a linear regulator designed for high-performance power management applications. Manufactured by Analog Devices Inc., this device offers an adjustable output voltage ranging from 1.2V to 3.3V, making it suitable for a variety of electronic systems requiring precise voltage regulation. With a maximum input voltage of 5.5V and an output current capability of 2A, the ADP7159ACPZ-04-R2 ensures reliable power delivery even under demanding conditions.

This single regulator features a positive output configuration and a low dropout voltage of 0.28V at 2A, which is crucial for maintaining efficiency in low-voltage applications. The regulator's quiescent current is a mere 8 mA, contributing to its overall efficiency, while its supply current is capped at 14 mA. The ADP7159ACPZ-04-R2 also boasts a high power supply rejection ratio (PSRR) of 68dB at 1kHz, which degrades gracefully to 45dB at 1MHz, ensuring minimal noise and ripple in the output voltage.

The device is housed in a surface-mount package, specifically a 10-lead lead frame chip scale package (LFCSP), and is available in tape and reel format for convenient manufacturing processes. It is classified under ECCN EAR99 and HTSUS 8542.39.0001. Despite being marked as obsolete, the ADP7159ACPZ-04-R2 remains a robust choice for applications requiring a compact, high-efficiency linear regulator.

ADP7159ACPZ-04-R2 Features

• Adjustable Output Voltage: The ADP7159ACPZ-04-R2 provides an adjustable output voltage range from 1.2V to 3.3V, offering flexibility to meet various system requirements.
• High Efficiency: With a low dropout voltage of 0.28V at 2A, the regulator maintains high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: The 8 mA quiescent current ensures minimal power consumption during operation, enhancing overall system efficiency.
• High PSRR: The regulator's PSRR of 68dB at 1kHz and 45dB at 1MHz effectively filters out noise from the input supply, resulting in a clean output voltage.
• Protection Features: Integrated over-current, over-temperature, and under-voltage lockout (UVLO) protections safeguard the device and connected components from damage.
• Enable Control: The enable feature allows for dynamic control of the regulator's operation, enabling power-saving modes and controlled startup sequences.
• Moisture Sensitivity Level: MSL 3 (168 Hours) ensures the device's reliability in various environmental conditions.

ADP7159ACPZ-04-R2 Applications

The ADP7159ACPZ-04-R2 is ideal for a range of applications where precise voltage regulation and high efficiency are critical. Some specific use cases include:

• Consumer Electronics: Powering sensitive components in smartphones, tablets, and other portable devices where low dropout voltage and high PSRR are essential.
• Industrial Systems: Providing stable power to microcontrollers, sensors, and other low-voltage circuits in industrial control systems.
• Communication Equipment: Ensuring reliable power delivery in base stations, routers, and other communication infrastructure.
• Medical Devices: Supplying clean power to critical components in medical equipment, where low noise and high reliability are paramount.

Conclusion of ADP7159ACPZ-04-R2

The ADP7159ACPZ-04-R2 is a versatile and efficient linear regulator that offers adjustable output voltage, low dropout, and high PSRR, making it suitable for a wide range of applications. Despite its obsolete status, its robust design and feature set continue to make it a reliable choice for power management in various electronic systems.