The HV9100P is a versatile monolithic high voltage current mode PWM IC designed for offline power conversion applications, manufactured by Supertex, Inc. It integrates a high voltage startup circuit, simplifying the design and reducing the external component count.

Applications

• Offline power supplies for consumer electronics
• LED lighting drivers
• Adapters and chargers
• Standby power supplies
• Auxiliary power supplies

Features

• High Voltage Startup: Integrated high voltage startup circuit eliminates the need for external startup resistors.
• Current Mode Control: Provides inherent line voltage feed-forward and cycle-by-cycle current limiting.
• Programmable Operating Frequency: Allows optimization for different application requirements.
• Internal Slope Compensation: Prevents subharmonic oscillation.
• Overvoltage Protection (OVP): Protects the power supply from excessive output voltage.
• Overcurrent Protection (OCP): Protects the power supply from excessive output current.
• Undervoltage Lockout (UVLO): Prevents operation with insufficient supply voltage.

Benefits

• Simplified Design: Integrated features reduce external component count and simplify the design process.
• Improved Efficiency: Current mode control and optimized operating frequency improve overall efficiency.
• Enhanced Reliability: Built-in protection features protect the power supply from various fault conditions.
• Cost-Effective Solution: Reduced component count and integrated features provide a cost-effective solution.
• Versatile Applications: Suitable for a wide range of offline power conversion applications.
• Reduced Standby Power Consumption: Optimized for low standby power consumption.

Additional Details

The HV9100P operates from a wide input voltage range and provides a stable and regulated output voltage. It features a programmable operating frequency, allowing designers to optimize the power supply for specific application requirements. The internal slope compensation ensures stable operation over a wide range of input voltages and load currents. The integrated overvoltage and overcurrent protection features protect the power supply from damage in the event of a fault condition. The undervoltage lockout feature prevents the power supply from operating with an insufficient supply voltage, ensuring reliable startup and operation. The device is available in a DIP-8 package and is designed for high-performance, cost-effective offline power conversion applications.