The VIPER15HN is an offline high voltage converter IC component developed by STMicroelectronics. It is commonly used in power supply applications and offers a wide range of key features to ensure high performance and efficiency. Here is an overview of the VIPER15HN along with its key features:
1. Operating Voltage Range: The VIPER15HN operates over a wide input voltage range of 90V to 264V AC, making it suitable for universal input power supplies.
2. High Voltage Startup: It incorporates a high-voltage startup circuit, which allows the IC to start up directly from the high voltage supply, eliminating the need for an additional auxiliary winding.
3. Internal HV MOSFET: The component integrates a high-voltage power MOSFET, which operates at a frequency of up to 60 kHz, enabling efficient power conversion.
4. High-Level Protection Features: The VIPER15HN comes equipped with a comprehensive set of protection features to ensure safe operation. These include overvoltage protection (OVP), overload protection (OLP), and over-temperature protection (OTP).
5. Frequency Modulation for EMI Compliance: The IC utilizes a frequency modulation technique to reduce electromagnetic interference (EMI). This assists in meeting the EMI compliance standards required by various regulations.
6. Burst Mode Operation: The VIPER15HN offers a selectable burst mode operation, which enhances efficiency at light load conditions. It helps reduce power consumption during standby or low power operation
