**ADP1765ACPZ-2-R7: A High-Performance, 2V Low-Dropout Linear Regulator for Precision Power Applications**

In the realm of modern electronics, where noise-sensitive analog and digital circuits coexist, the demand for clean, stable, and precise power delivery is paramount. The **ADP1765ACPZ-2-R7** from Analog Devices stands out as a high-performance, low-dropout (LDO) linear regulator engineered specifically to meet the rigorous demands of precision power applications. This device delivers a fixed **2.0V output** with exceptional accuracy, making it an ideal power solution for a wide array of sensitive systems.

A defining characteristic of the ADP1765 is its remarkably **low dropout voltage**. This feature is critical for maximizing efficiency and extending battery life in portable equipment, as it allows the regulator to maintain a stable output even when the input voltage dips very close to the output level. The device ensures stable operation with input voltages as low as **2.2V**, providing just a 200mV headroom.

Beyond basic regulation, the ADP1765 excels in providing superior **power supply rejection ratio (PSRR)**. It effectively attenuates ripple and noise from the input supply, preventing these disturbances from propagating to the sensitive load. This high PSRR performance is crucial for powering noise-intolerant components such as **RF transceivers, high-speed data converters (ADCs/DACs), and precision sensors**, ensuring their optimal performance and signal integrity.

The regulator is designed for robustness and ease of use. It features a wide input voltage range from **2.2V to 5.5V**, accommodating various power sources including lithium-ion batteries and regulated 5V or 3.3V rails. Despite its high performance, it requires only a minimal set of external components—typically just input and output capacitors—to achieve stable operation, simplifying board design and saving valuable space.

Additional built-in protection mechanisms, including **current limiting and thermal overload protection**, safeguard both the regulator and the downstream circuitry from damage under fault conditions. The ADP1765ACPZ-2-R7 is offered in a compact, low-profile **3mm × 3mm LFCSP package**, which is excellent for space-constrained applications while also providing excellent thermal performance.

**ICGOODFIND:** The ADP1765ACPZ-2-R7 is a premium LDO regulator that combines low noise, high PSRR, and low dropout voltage in a small form factor. It is exceptionally well-suited for applications where power quality is non-negotiable, such as in medical instrumentation, test and measurement equipment, communications infrastructure, and advanced consumer electronics.

**Keywords:** Low-Dropout (LDO) Regulator, Power Supply Rejection Ratio (PSRR), Low Noise, Precision Power Management, Fixed 2V Output.