STMicroelectronics

LDL112PU12R

LDL112PU12R Description

The LDL112PU12R is a high-performance linear regulator designed by STMicroelectronics, a leading manufacturer in the power management integrated circuit (PMIC) domain. This device is specifically engineered to provide a stable and efficient power supply solution with a fixed output voltage of 1.2V and a maximum output current of 1.2A. It is housed in a compact 6DFN package, making it suitable for a wide range of applications where space is a critical consideration.

The LDL112PU12R operates with an input voltage range up to 5.5V and features a low dropout voltage of 0.6V at full load, ensuring high efficiency even under varying input conditions. Its quiescent current is as low as 70 µA, making it ideal for battery-powered devices where minimizing power consumption is essential. The regulator also includes an enable control feature, allowing for dynamic power management and further optimization of power usage.

LDL112PU12R Features

• Output Type: Fixed
• Output Voltage: 1.2V
• Maximum Output Current: 1.2A
• Input Voltage Range: Up to 5.5V
• Low Dropout Voltage: 0.6V @ 1.2A
• Quiescent Current: 70 µA
• Supply Current: 400 µA (Max)
• Power Supply Rejection Ratio (PSRR): 57dB at 1kHz
• Protection Features: Over Current, Over Temperature, Reverse Current
• Control Features: Enable
• Package Type: 6DFN
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Compliance: ROHS3 Compliant, REACH Unaffected

LDL112PU12R Applications

The LDL112PU12R is ideal for a variety of applications requiring a reliable and efficient power supply. Its low dropout voltage and high PSRR make it particularly suitable for sensitive analog circuits and low-noise applications. The enable feature allows for dynamic power management, making it an excellent choice for battery-powered devices and portable electronics.

Specific use cases include:

• Battery-Powered Devices: The low quiescent current and enable feature help extend battery life.
• Portable Electronics: The compact 6DFN package and surface mount type make it ideal for space-constrained designs.
• Low-Noise Applications: The high PSRR ensures minimal noise interference, making it suitable for sensitive analog circuits.
• Industrial and Automotive: The robust protection features, including over current, over temperature, and reverse current protection, ensure reliability in demanding environments.

Conclusion of LDL112PU12R

The LDL112PU12R from STMicroelectronics stands out as a versatile and efficient linear regulator, offering a combination of high performance and low power consumption. Its unique features, such as low dropout voltage, high PSRR, and enable control, provide significant advantages over similar models. The regulator’s compact size and robust protection features make it an ideal solution for a wide range of applications, from battery-powered devices to sensitive analog circuits. Whether in portable electronics, industrial systems, or automotive applications, the LDL112PU12R delivers reliable power management with minimal footprint and maximum efficiency.