ONSEMI UC2843BNG Datasheet & Stock

The UC2843BNG is a high-performance fixed frequency current-mode Pulse Width Modulation (PWM) Controller specifically designed for off-line and DC to DC converter applications offering the designer a cost-effective solution with minimal external components. It features a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle-by-cycle current limiting, programmable output deadtime and a latch for single pulse metering.




Trimmed oscillator for precise frequency control

Automatic feed forward compensation

Internally trimmed reference with undervoltage lockout

High current totem pole output

Undervoltage lockout with hysteresis

Low startup and operating current





Applications


Power Management,

Industrial





Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.