UC2843AN, High-Performance Current Mode Controller,DIP-8

The UC2843AN is a high-performance fixed-frequency current mode controller, specifically engineered for off-line and DC-to-DC converter applications. It offers a cost-effective solution with minimal external components required. Featuring a temperature-compensated reference, high-gain error amplifier, and a current sensing comparator, the UC2843AN ensures precise operation for critical applications.

The controller is equipped with protective features such as undervoltage lockout with hysteresis and cycle-by-cycle current limiting to safeguard circuit operation. Additionally, the latching PWM enhances operational reliability. Its high current totem pole output is perfect for driving power MOSFETs directly, making it an excellent choice for power management and switching circuits.

With its capability to operate at frequencies up to 500 kHz and a DIP-8 package design, the UC2843AN is suitable for a wide range of industrial and consumer applications requiring compact and efficient solutions.

• High-Performance Current Mode Control: Designed for precise duty cycle control with cycle-by-cycle current limiting.
• Wide Range Applications: Ideal for off-line and DC-to-DC converter circuits.
• Protective Features: Includes undervoltage lockouts, cycle-by-cycle current limiting, and programmable output deadtime.
• Low Power Consumption: Features low startup and operating current for energy efficiency.
• High-Speed Operation: Operates up to 500 kHz, meeting demanding application requirements.
• Compact Design: Available in a DIP-8 package, ensuring easy integration into circuit designs.