onsemi

NCP1219BD65R2G

The NCP1219BD65R2G is a high-voltage, high-efficiency synchronous rectified flyback regulator from ON Semiconductor. It is designed for use in a wide range of power supply applications, including AC/DC adapters, battery chargers, and power supplies for various electronic devices.

Description:

The NCP1219BD65R2G is a monolithic integrated circuit that provides all the active functions required for a synchronous rectified flyback converter. It includes a high-voltage startup, under-voltage lockout, cycle-by-cycle current limit, and thermal shutdown. The device also features a low-dropout (LDO) regulator for the gate drive, which ensures high efficiency and low standby power consumption.

Features:

1. High-voltage operation: The NCP1219BD65R2G can operate with an input voltage range of up to 380V, making it suitable for a wide range of applications.
2. High efficiency: The synchronous rectification feature of the device ensures high efficiency even at high input voltages.
3. Low standby power consumption: The LDO regulator for the gate drive helps to minimize standby power consumption.
4. Protection features: The device includes under-voltage lockout, cycle-by-cycle current limit, and thermal shutdown to protect against various fault conditions.
5. Small form factor: The NCP1219BD65R2G is available in a compact 6-pin DFN package, making it suitable for space-constrained applications.

Applications:

1. AC/DC adapters: The NCP1219BD65R2G can be used in power supplies for a wide range of electronic devices, including smartphones, laptops, and other portable electronics.
2. Battery chargers: The device can be used in battery charging applications for various chemistries, including lithium-ion, lithium-polymer, and nickel-based batteries.
3. Power supplies for LED lighting: The NCP1219BD65R2G can be used in power supplies for LED lighting applications, providing high efficiency and a small form factor.
4. Industrial power supplies: The device can be used in power supplies for various industrial applications, including motor drives, sensors, and control systems.

In summary, the NCP1219BD65R2G is a versatile and efficient synchronous rectified flyback regulator from ON Semiconductor, suitable for a wide range of power supply applications. Its high-voltage operation, high efficiency, and compact form factor make it an excellent choice for designers looking for a reliable and efficient power supply solution.