ON Semiconductor NCP1117DT33 Voltage Regulator

The ON Semiconductor NCP1117DT33 is a robust and reliable positive voltage regulator designed to deliver a fixed output voltage of 3.3V with a maximum output current of up to 1A. This linear voltage regulator is part of the NCP1117 series, known for their high performance and ease of use in a wide array of electronic applications.

This component is particularly suitable for providing stable voltage to sensitive electronic circuits that require a consistent 3.3V supply, such as microcontrollers, analog-to-digital converters, and other digital ICs. The NCP1117DT33 is capable of handling an input voltage range from 4.75V to 18V, making it versatile for use in systems with varying input conditions.

The NCP1117DT33 comes in a TO-252 (DPAK) surface-mount package, which is compact and suitable for space-constrained applications. Its thermal resistance is optimized to ensure adequate heat dissipation during operation, maintaining stability and prolonging the life of the device.

Key features of the NCP1117DT33 include:

• Fixed Output Voltage: 3.3V
• Maximum Output Current: 1A
• Dropout Voltage: Typically 1.1V at 800mA load
• Input Voltage Range: 4.75V to 18V
• Overcurrent and Overtemperature Protection: Ensures the regulator and your application are safeguarded against unexpected conditions.
• Low Output Noise: Beneficial for RF and precision analog applications.
• No Minimum Load Requirement: Ensures stability and performance even with no load.

With its built-in protection features, the NCP1117DT33 offers both thermal shutdown and current limit protection, which protect the device and the application circuit from damage due to overheating and overcurrent conditions. Additionally, the regulator has a low quiescent current, which makes it suitable for battery-powered applications where power efficiency is critical.

Whether you are designing a power supply circuit for consumer electronics, industrial equipment, or portable devices, the NCP1117DT33 from ON Semiconductor is a reliable choice that combines performance with protection to ensure a stable and efficient operation.