UC3843 Current Mode PWM Controller IC (DIP 8 Package)

The UC3843 is a current mode PWM controller IC designed for switched mode power supplies and DC to DC converter applications. It integrates an oscillator, error amplifier, current sensing comparator, voltage reference, and high current output stage, providing the essential control functions required for efficient switching power supply designs.

Key Features -

• Current mode PWM controller

• Designed for switched mode power supplies

• High current output stage for driving power MOSFETs

• Integrated oscillator

• Built in error amplifier

• Current sensing and limiting capability

• Under voltage lockout protection

• Internal voltage reference

• Adjustable switching frequency using external components

• Suitable for compact power converter designs

• DIP 8 through hole package

Specifications -

• Part Number: UC3843

• Component Type: Current Mode PWM Controller

• Control Method: Current Mode PWM

• Output Configuration: Single Output

• Oscillator: Integrated

• Switching Frequency: Programmable with external timing components

• Current Sensing: Supported

• Under Voltage Lockout: Integrated

• Package Type: DIP 8

• Number of Pins: 8

• Mounting Type: Through Hole

Applications -

• Switched mode power supplies

• DC to DC converters

• Flyback converters

• Forward converters

• Battery powered converters

• Industrial power supplies

• Power adapters

• MOSFET switching circuits

• Power conversion equipment