Product Overview: LD1117DTC-R by STMicroelectronics

The LD1117DTC-R is a versatile and reliable low drop voltage regulator designed and manufactured by STMicroelectronics, a leader in semiconductor solutions. This device is part of the LD1117 series, which are known for their high efficiency and low dropout performance. The LD1117DTC-R is an ideal solution for a variety of applications that require a stable and regulated power supply.

Key Features

• Low Dropout Voltage: The regulator operates with a very low dropout voltage, which can be as low as 1.2V at up to 800mA of load current, making it suitable for applications with a tight voltage supply margin.
• Adjustable and Fixed Output: This model provides options for both adjustable voltage output (from 1.25V to 13.7V) and fixed voltages, catering to a wide range of requirements.
• Current and Thermal Limiting: Integrated protection features include current limiting and thermal shutdown, ensuring the device's reliability under excessive load conditions and preventing damage from overheating.
• Wide Range of Applications: The LD1117DTC-R is suitable for various applications including on-board post-regulation, portable devices, and computer peripherals. It is also used in battery-powered devices due to its low quiescent current.

Specifications

• Package: The device is available in a D-PAK (TO-252) package, which is suitable for surface-mounted technology and takes up minimal space on a PCB.
• Output Current: Capable of delivering up to 800mA of output current, making it suitable for medium power applications.
• Input Voltage Range: It supports a wide input voltage range, typically from 2.5V to 15V, providing flexibility in various power supply designs.

Applications

The LD1117DTC-R is a versatile component that can be used in a wide array of electronic devices. Its applications range from consumer electronics to industrial systems, including:

• Portable and handheld devices
• Computer peripherals
• Power supplies for add-on cards
• Linear power regulators for DC-DC modules
• High-efficiency post-regulation for switching supplies

In summary, the LD1117DTC-R from STMicroelectronics is a robust and efficient solution for applications requiring a stable voltage supply. Its low dropout performance, combined with a comprehensive set of features, makes it a popular choice among engineers and designers for a wide range of electronic products.