The LD1117DT18TR-E from STMicroelectronics is a robust linear voltage regulator designed for a wide range of applications. This device provides a fixed output voltage of 1.8V, which is ideal for powering low-voltage logic devices and microcontrollers in various electronic systems. The LD1117 series is well-regarded for its high efficiency, low dropout voltage, and excellent line and load regulation, making it a reliable choice for stable voltage supply.

Key Features

• Output Voltage: Fixed at 1.8V, suitable for modern digital circuits.
• Output Current: Capable of delivering up to 800mA, providing ample current for most low-power applications.
• Low Dropout Voltage: The low dropout performance ensures efficiency, even with a minimal difference between the input and output voltages.
• Thermal Overload Protection: The built-in thermal shutdown protects the device from damage due to overheating.
• Short Circuit Protection: Offers safety and reliability with its short-circuit current limiting feature.
• Wide Input Voltage Range: Can operate with input voltages up to 15V, allowing for flexibility in various power supply configurations.
• Package: Available in a surface-mount DPAK (TO-252) package, which is suitable for automated assembly processes and saves space on printed circuit boards.

Applications

The LD1117DT18TR-E is versatile and can be utilized in a broad spectrum of electronic devices. It is particularly suited for:

• Portable Devices: Smartphones, tablets, and handheld gaming systems.
• Microcontroller Power Supplies: Providing clean power to sensitive digital cores.
• Peripheral Cards: Network cards, graphic cards, and other computer add-ons.
• Consumer Electronics: TVs, cameras, and audio equipment.

Conclusion

With its combination of features, the LD1117DT18TR-E voltage regulator from STMicroelectronics is an excellent choice for designers looking for a reliable and efficient power management solution. Its protective features, low dropout voltage, and stable output make it an essential component in the design of modern electronic devices.