KA3842A, Fixed-Frequency Current-Mode PWM Controller,DIP-8

The KA3842A is a high-performance fixed-frequency current-mode Pulse Width Modulation (PWM) controller designed for efficient power regulation in off-line and DC-DC converter applications. With a wide operating frequency of up to 500kHz and low startup current of 0.45mA, the KA3842A delivers reliable and energy-efficient performance.

Encased in a compact DIP-8 package, this controller integrates protection features like undervoltage lockout, current limiting, and thermal shutdown, ensuring robust operation in demanding environments. Its high output current capability and precise duty cycle control make it ideal for driving power MOSFETs and managing power supply designs. Whether for industrial power supplies or consumer electronics, the KA3842A is a dependable choice for engineers seeking efficiency and reliability.

• Efficient Current-Mode PWM Controller: Optimized for off-line and DC-DC converter applications with precise duty cycle control.
• Wide Operating Frequency: Supports frequencies up to 500kHz for versatile applications.
• Integrated Protection Features: Includes undervoltage lockout (UVLO), current limiting, and thermal shutdown for enhanced reliability.
• Low Startup Current: Consumes only 0.45mA during startup, improving energy efficiency.
• Compact DIP-8 Package: Simplifies integration into standard PCB designs.
• High Output Current Capability: Provides +/-1A output current, ideal for driving power MOSFETs.