STMicroelectronics

LDLN025J275R

LDLN025J275R Description

The LDLN025J275R is a high-performance linear regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This IC is part of the Power Management (PMIC) category and is specifically tailored for applications requiring a fixed output voltage of 2.75V with a maximum output current of 250mA. It is housed in a compact 4-FlipChip package, making it suitable for space-constrained designs.

The LDLN025J275R offers a wide input voltage range, accommodating up to 5.5V, which ensures compatibility with various power sources. Its low dropout voltage of 0.2V at 250mA allows for efficient power conversion, even when the input voltage is close to the output voltage. This feature is particularly beneficial in battery-powered applications, where maintaining a high efficiency over the entire battery discharge cycle is crucial.

LDLN025J275R Features

• Output Type: Fixed
• Voltage - Input (Max): 5.5V
• Current - Output: 250mA
• Number of Regulators: 1
• Output Configuration: Positive
• Current - Supply (Max): 425 µA
• Product Status: Active
• REACH Status: REACH Unaffected
• Voltage - Output (Min/Fixed): 2.75V
• Voltage Dropout (Max): 0.2V @ 250mA
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Current - Quiescent (Iq): 25 µA
• PSRR: 80dB to 60dB (100Hz to 100KHz)
• ECCN: EAR99
• Mounting Type: Surface Mount
• Control Features: Enable
• Protection Features: Over Current, Over Temperature, Short Circuit, Soft Start
• HTSUS: 8542.39.0001
• Package: Tape & Reel (TR)

LDLN025J275R Applications

The LDLN025J275R is ideal for a variety of applications due to its robust feature set and compact form factor. Its low quiescent current of 25 µA and low dropout voltage make it suitable for portable devices and battery-powered systems where energy efficiency is paramount. The regulator's ability to handle overcurrent, overtemperature, and short-circuit conditions ensures reliable operation in demanding environments.

Specific use cases include:

• Portable Electronics: Smartphones, tablets, and other handheld devices benefit from the LDLN025J275R's efficient power management and small footprint.
• Wearable Devices: Fitness trackers and smartwatches can leverage the regulator's low power consumption and high efficiency to extend battery life.
• IoT Devices: Sensors and IoT modules often require compact and efficient power solutions, making the LDLN025J275R a suitable choice.
• Medical Devices: Portable medical equipment and diagnostic tools can benefit from the regulator's reliability and low dropout voltage.

Conclusion of LDLN025J275R

The LDLN025J275R from STMicroelectronics stands out as a reliable and efficient linear regulator for applications requiring a fixed 2.75V output and up to 250mA of current. Its low dropout voltage, low quiescent current, and comprehensive protection features make it a superior choice compared to similar models. The compact 4-FlipChip package and surface-mount mounting type ensure ease of integration into modern, space-constrained designs. Whether powering portable electronics, wearable devices, IoT modules, or medical equipment, the LDLN025J275R delivers exceptional performance and reliability.