LDL112PT-TR Description
The LDL112PT-TR is a high-performance linear regulator designed by STMicroelectronics, offering adjustable output voltage capabilities within a range of 0.8V to 4.9V. This device is optimized for applications requiring a stable and efficient power supply with a maximum input voltage of 5.5V and a maximum output current of 1.2A. The LDL112PT-TR features a low dropout voltage of 0.6V at full load, ensuring high efficiency even under low input-to-output voltage differentials. The regulator operates with a maximum supply current of 400 µA a and quiescent current of 70 µA, making it suitable for low-power applications. It also includes an enable control feature, allowing for dynamic power management and system optimization.
LDL112PT-TR Features
- Adjustable Output Voltage: The LDL112PT-TR provides an adjustable output voltage range from 0.8V to 4.9V, offering flexibility for various power supply requirements.
- Low Dropout Voltage: With a maximum dropout voltage of 0.6V at 1.2A, the regulator maintains high efficiency even when the input voltage is close to the output voltage.
- Low Quiescent Current: The device features a low quiescent current of 70 µA, which is crucial for minimizing power consumption in low-power and battery-operated applications.
- Protection Features: The LDL112PT-TR includes over-current, over-temperature, and reverse-current protection, ensuring robustness and reliability in various operating conditions.
- Enable Control: The enable feature allows for dynamic control of the regulator, enabling power management and system optimization.
- High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 53dB at 1kHz, ensuring minimal noise and ripple on the output voltage.
- Surface Mount Package: The PPAK package type and tape & reel packaging format make the LDL112PT-TR suitable for automated assembly processes and compact design requirements.
LDL112PT-TR Applications
The LDL112PT-TR is ideal for a variety of applications where a stable and efficient power supply is required. Its adjustable output voltage and low dropout characteristics make it suitable for:
- Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
- Industrial Equipment: Providing stable power to sensors, actuators, and control systems.
- Telecommunications: Supplying power to base stations, routers, and other networking equipment.
- Automotive: Used in various automotive electronic systems, including infotainment and advanced driver-assistance systems (ADAS).
Conclusion of LDL112PT-TR
The LDL112PT-TR from STMicroelectronics is a versatile and efficient linear regulator designed to meet the demands of modern power management applications. Its adjustable output voltage, low dropout voltage, and low quiescent current make it an ideal choice for a wide range of electronic devices. The inclusion of enable control and comprehensive protection features further enhances its reliability and flexibility. Despite being marked as obsolete, the LDL112PT-TR remains a valuable component for designers seeking a proven and efficient power management solution.