STMicroelectronics LD1117DTADJ Adjustable Voltage Regulator

The STMicroelectronics LD1117DTADJ is a versatile and reliable adjustable voltage regulator designed to offer a high level of performance in a variety of applications. This low dropout (LDO) linear voltage regulator is capable of delivering up to 800mA of output current, making it an excellent choice for moderate power requirements in consumer, industrial, and computing devices.

Key Features:

• Adjustable Output Voltage: The LD1117DTADJ provides an adjustable output voltage that can be set from 1.25V to 13.8V using external resistors. This flexibility allows designers to tailor the output to meet specific circuit requirements.
• Low Dropout Voltage: With a low dropout voltage of typically 1.2V at maximum output current, this regulator can maintain regulation even when the supply voltage is close to the output voltage, improving efficiency and battery life in portable applications.
• Current and Thermal Limiting: The device includes internal current limiting and thermal shutdown features that protect the regulator and the load from over-current and overheating conditions, enhancing system reliability.
• Wide Input Voltage Range: The LD1117DTADJ can operate with an input voltage range from 2.6V to 15V, accommodating a variety of power sources and ensuring stable operation under fluctuating input conditions.
• Stable with Low ESR Capacitors: The regulator is stable with low equivalent series resistance (ESR) capacitors, making it compatible with modern ceramic capacitors that are smaller, more reliable, and have better performance characteristics.

Applications:

The LD1117DTADJ is suitable for a wide range of applications including:

• Consumer Electronics
• Portable Devices
• Computer Peripherals
• Power Supply Units

With its combination of features and performance, the STMicroelectronics LD1117DTADJ adjustable voltage regulator is an excellent choice for designers looking for a reliable and flexible power management solution. It is available in a TO-252 (DPAK) package, which is suitable for surface-mount technology (SMT) and offers compact size for space-sensitive applications.