onsemi

NCP3985SN30T1G

NCP3985SN30T1G Description

The NCP3985SN30T1G is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 3V and capable of delivering up to 150mA of output current. This regulator is optimized for low dropout voltage, with a maximum dropout voltage of 0.15V at 150mA, making it suitable for applications where input voltage is close to the desired output voltage. The device features a maximum input voltage of 5.5V, ensuring compatibility with a wide range of power sources. The regulator is housed in a 5TSOP package, suitable for surface mount applications, and is available in a tape and reel format for convenient handling and assembly.

NCP3985SN30T1G Features

• Output Type: Fixed output voltage of 3V.
• Voltage - Input (Max): 5.5V, providing a wide input range.
• Current - Output: 150mA, suitable for low to medium current applications.
• Number of Regulators: Single regulator, simplifying design and reducing component count.
• Output Configuration: Positive output voltage, ideal for standard power supply requirements.
• Current - Supply (Max): 220 µA, ensuring low power consumption.
• Current - Quiescent (Iq): 90 µA, contributing to high efficiency in low-power applications.
• PSRR: 70dB to 55dB across the frequency range of 120Hz to 10kHz, ensuring excellent noise rejection.
• Control Features: Enable functionality, allowing for dynamic control of the regulator.
• Protection Features: Over-current and over-temperature protection, ensuring robustness and reliability.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for various environmental conditions.
• Package: 5TSOP, optimized for surface mount applications.
• Mounting Type: Surface Mount, ideal for compact and high-density designs.
• Product Status: Obsolete, but still available for legacy applications.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.

NCP3985SN30T1G Applications

The NCP3985SN30T1G is well-suited for a variety of applications requiring a stable and efficient power supply. Its low dropout voltage and fixed output voltage make it ideal for battery-powered devices, portable electronics, and low-power embedded systems. The regulator's enable feature allows for dynamic control, making it suitable for applications where power management is critical. The over-current and over-temperature protection features ensure reliable operation in various operating conditions, making it a robust choice for industrial and automotive applications.

Conclusion of NCP3985SN30T1G

The NCP3985SN30T1G offers a reliable and efficient solution for applications requiring a fixed 3V output and up to 150mA of current. Its low dropout voltage and low quiescent current make it particularly suitable for low-power and battery-operated devices. The inclusion of enable control and comprehensive protection features enhances its versatility and reliability. While the product is now obsolete, it remains a valuable option for legacy systems and applications where its unique features and performance benefits are required.