The NCP1339CDR2G is an integrated circuit (IC) component that belongs to the family of PWM controllers. It is manufactured by ON Semiconductor and primarily designed for power management applications in offline switch-mode power supplies (SMPS) with Flyback and Buck-Boost topologies. By offering a comprehensive set of features, it enables efficient power conversion and control in various applications such as televisions, computer peripherals, and industrial equipment.
Key Features of the NCP1339CDR2G include:
1. Integrated Control: The IC combines various functions required for power management into a single chip, including a high-voltage startup circuit, PWM controller, error amplifier, protection circuitry, and soft-start circuit.
2. Wide Voltage Range: It supports a wide input voltage range from 9V to 30V, making it versatile in different power supply applications.
3. Fixed and Adjustable Frequency Operation: The IC provides flexible frequency control options with both fixed and adjustable frequency modes. The fixed-frequency operation helps in simplifying EMI filter design, while the adjustable frequency feature allows optimization for specific applications.
4. Multi-Protection Functions: The NCP1339CDR2G integrates various protection features to enhance system reliability. It includes overvoltage protection (OVP), overload protection (OLP), overcurrent protection (OCP), and over-temperature protection (OTP) circuits
