The NCP1650DR2G is a controller IC designed for use in switch-mode power supplies (SMPS). It is part of the NCP1650 series, which provides features to implement low-cost, compact, and efficient power supplies. The device is manufactured by ON Semiconductor.
Here are some key features and specifications of the NCP1650DR2G:
1. Controller Type: The NCP1650 is a current-mode controller, commonly used in flyback or buck-boost SMPS topologies.
2. Operating Voltage Range: The IC can typically operate with a wide input voltage range, suitable for various power supply applications.
3. Current Sensing: It incorporates a current sense amplifier to monitor the output current and regulate it through feedback control.
4. Soft-Start: The device includes a soft-start feature, which helps in minimizing inrush current during power-up and improving overall system reliability.
5. Frequency Range: The NCP1650DR2G allows the user to adjust the operating frequency, offering flexibility to optimize efficiency and design.
6. Protections: The IC incorporates various protection features, such as overcurrent protection (OCP) and overvoltage protection (OVP), to enhance the reliability and safety of the power supply.
7. Compact Package: The "DR2" package typically refers to the SOIC (Small Outline Integrated Circuit) package, which is compact and widely used in various electronic designs.
Applications of the NCP1650DR2G include AC-DC adapters, battery chargers, LED drivers, auxiliary power supplies, and other power management applications.
For detailed electrical characteristics, application circuits, and usage guidelines, it's essential to refer to the manufacturer's datasheet for the specific NCP1650DR2G variant you are using.
