STMicroelectronics

LD1117S33CTR

The LD1117S33CTR is a low-dropout voltage regulator (LDO) manufactured by STMicroelectronics. It is designed to provide a stable and reliable output voltage to power electronic circuits. Here is a description of the LD1117S33CTR, including its features and applications:

Description:

The LD1117S33CTR is a fixed-output, low-dropout voltage regulator with an output voltage of 3.3V. It is available in a compact SOT-223 package, making it suitable for space-constrained applications. The LDO features a low dropout voltage, which means it can operate efficiently even when the input voltage is close to the output voltage.

Features:

1. Fixed output voltage of 3.3V
2. Low dropout voltage (LDO) for efficient operation
3. Compact SOT-223 package
4. Wide input voltage range (4.75V to 15V for the 3.3V version)
5. High output current capability (up to 1A)
6. Low quiescent current (typically 70µA)
7. Internal short-circuit protection
8. Thermal shutdown protection
9. Low output noise
10. Good load and line regulation

Applications:

The LD1117S33CTR is suitable for a wide range of applications that require a stable 3.3V output voltage. Some common applications include:

1. Powering microcontrollers and other digital circuits
2. Providing a stable voltage supply for analog circuits
3. Regulating power to sensors and transducers
4. Supplying power to wireless communication modules (e.g., Wi-Fi, Bluetooth)
5. Powering portable electronic devices (e.g., smartphones, tablets)
6. Providing a stable voltage supply for battery-powered devices
7. Voltage regulation in automotive and industrial applications

The LD1117S33CTR is a versatile and reliable LDO that can be used in various electronic systems where a stable 3.3V output voltage is required. Its low dropout voltage, compact package, and built-in protection features make it an attractive choice for designers looking for a robust voltage regulator solution.