The NCP1238AD65R2G is an integrated circuit (IC) component designed for applications in switch mode power supplies (SMPS) and LED drivers. It belongs to the NCP12xx family of controllers manufactured by ON Semiconductor. This IC offers several key features, which are summarized below:
1. Advanced Quasi-Resonant (QR) Mode Control: The NCP1238AD65R2G utilizes QR mode control, which helps reduce switching losses and electromagnetic interference (EMI). This mode allows the SMPS to operate at high efficiency and low noise levels.
2. Universal Input Voltage Range: This IC is suitable for universal input voltage applications, covering a wide range from 85 VAC to 265 VAC. It allows the power supply to be used globally without any modifications.
3. Integrated HV Start-Up: The NCP1238AD65R2G incorporates a high voltage start-up circuitry, eliminating the need for external components. This feature simplifies the design and reduces component count.
4. Internal Protection Mechanisms: The IC provides various protection features, including Over Voltage Protection (OVP), Over Current Protection (OCP), Over Temperature Protection (OTP), and Brown-Out Protection (BOP). These protections ensure the safety and reliability of the power supply system.
5. Frequency Modulation (FM): The NCP1238AD65R2G supports frequency modulation, which helps to reduce EMI emissions
