onsemi

NCP1351CDR2G

NCP1351CDR2G Description

The NCP1351CDR2G is an offline switch flyback controller designed for power management applications. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in an 8SOIC package. Despite being marked as obsolete, the NCP1351CDR2G remains a robust solution for various power conversion needs. It features a flyback topology, ensuring efficient power transfer with minimal components. The device operates with a supply voltage range of 8.9V to 28V and offers isolated output, making it suitable for applications requiring galvanic isolation.

NCP1351CDR2G Features

• Topology: The NCP1351CDR2G employs a flyback topology, which is ideal for applications requiring high efficiency and compact design. This topology allows for a simple and cost-effective solution in power conversion circuits.
• Fault Protection: The device includes comprehensive fault protection mechanisms such as current limiting, overload, over-power, and short-circuit protection. These features enhance reliability and protect the device and connected circuits from damage.
• Mounting Type: Surface mount technology (SMT) is utilized, enabling the NCP1351CDR2G to be easily integrated into modern PCB designs. This mounting type also allows for higher component density and improved thermal performance.
• Voltage - Start Up: A start-up voltage of 18V ensures reliable operation and prevents premature activation in low-voltage conditions.
• Package: The Tape & Reel (TR) packaging format facilitates automated assembly processes, making it suitable for high-volume manufacturing environments.
• Compliance: The NCP1351CDR2G is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards. This compliance is crucial for manufacturers aiming to adhere to global regulations.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the device is highly resistant to moisture, making it suitable for a wide range of environmental conditions.

NCP1351CDR2G Applications

The NCP1351CDR2G is well-suited for a variety of applications where efficient power conversion and isolation are critical. It is particularly useful in:

• Adaptive Power Supplies: The device's wide input voltage range and isolated output make it ideal for adaptive power supplies that need to operate across different voltage levels.
• Consumer Electronics: In devices such as chargers and adapters, the NCP1351CDR2G provides a reliable and efficient power conversion solution.
• Industrial Equipment: The robust fault protection and high moisture sensitivity level make it suitable for industrial applications where reliability and durability are paramount.
• Telecommunications: The isolated output and comprehensive protection features are beneficial in telecom equipment, ensuring stable power supply and protection against electrical faults.

Conclusion of NCP1351CDR2G

The NCP1351CDR2G, despite being marked as obsolete, remains a valuable component in the power management domain. Its flyback topology, comprehensive fault protection, and surface mount design make it a versatile and reliable solution for various power conversion needs. The device's compliance with environmental and safety standards further enhances its appeal. While newer models may offer additional features, the NCP1351CDR2G continues to be a preferred choice for applications requiring efficient, isolated power conversion and robust fault protection.