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RC1117D33X

RC1117D33X Description

The RC1117D33X is a high-performance, fixed-output linear voltage regulator designed by Fairchild Semiconductor (now part of onsemi). This device is ideal for applications requiring a stable and efficient power supply solution. It features a fixed output voltage of 3.3V and is capable of delivering up to 1A of output current. The regulator operates with an input voltage range up to 7.5V, making it suitable for a variety of power supply scenarios.

The RC1117D33X is designed with a low dropout voltage of 1.2V at 1A, which allows it to maintain regulation even when the input voltage is close to the output voltage. This feature is particularly beneficial in battery-powered applications where the input voltage may drop significantly over time. The regulator also boasts a low quiescent current of 13 mA, contributing to its efficiency and making it suitable for low-power applications.

RC1117D33X Features

• Fixed Output Voltage: 3.3V, ensuring a stable power supply for sensitive electronics.
• High Output Current: Capable of delivering up to 1A, suitable for demanding applications.
• Low Dropout Voltage: 1.2V @ 1A, allowing efficient operation even with low input-to-output voltage differences.
• Low Quiescent Current: 13 mA, contributing to overall power efficiency.
• High PSRR: 72dB at 120Hz, providing excellent noise rejection and stable output voltage.
• Protection Features: Over-current and over-temperature protection ensure reliable operation and protect against potential faults.
• Operating Temperature Range: 0°C to 125°C (TJ), making it suitable for a wide range of environmental conditions.
• Mounting Type: Surface mount, ideal for compact and high-density designs.
• Package: Bulk, offering flexibility in packaging and handling.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.
• Moisture Sensitivity Level: MSL 3 (168 Hours), suitable for standard manufacturing processes.

RC1117D33X Applications

The RC1117D33X is well-suited for a variety of applications where a stable and efficient power supply is critical. Its fixed 3.3V output and high current capability make it ideal for powering microcontrollers, digital logic circuits, and other low-voltage electronics. The low dropout voltage and high PSRR ensure that the regulator can maintain stable operation in dynamic environments, such as battery-powered devices where the input voltage may fluctuate.

Specific use cases include:

• Consumer Electronics: Ideal for powering portable devices, such as smartphones, tablets, and wearables.
• Industrial Applications: Suitable for embedded systems, PLCs, and other industrial control equipment.
• Automotive: Can be used in various automotive electronic modules where a stable and efficient power supply is required.
• Communication Equipment: Provides reliable power for routers, switches, and other network devices.

Conclusion of RC1117D33X

The RC1117D33X is a robust and efficient linear voltage regulator that offers a fixed 3.3V output with a high current capability of 1A. Its low dropout voltage and high PSRR make it an excellent choice for applications where stability and efficiency are paramount. The inclusion of over-current and over-temperature protection ensures reliable operation, while its surface mount packaging and bulk availability make it suitable for modern, high-density designs.

Overall, the RC1117D33X stands out in its category due to its combination of performance, reliability, and compliance with industry standards. It is an ideal solution for a wide range of applications, from consumer electronics to industrial and automotive systems, where a stable and efficient power supply is essential.