KA3883CDTF

DC DC Switching Controllers Overview

The KA3883CDTF is a fixed-frequency current mode PWM controller designed for offline and DC-to-DC converter applications. It operates within an input voltage range of 7.6V to 30V and supports switching frequencies up to 500kHz. The device features a 1A peak output drive capability and includes internal under-voltage lockout (UVLO) circuits. It is housed in an 8-SOIC package with a width of 3.90mm and functions within an operational temperature range of 0°C to 85°C.

DC DC Switching Controllers Feature Summary

• Fixed frequency current mode PWM control architecture
• Integrated under-voltage lockout protection circuitry
• High-current 1A peak output driver stage

DC DC Switching Controllers Applications

• Offline power supply designs
• DC to DC converter topologies
• Switching regulator circuits

DC DC Switching Controllers Procurement Notes

Verify the manufacturer designation, as Fairchild Semiconductor's power management division was acquired by ON Semiconductor. Ensure the ordering suffix matches the required tape-and-reel or bulk packaging configuration. Confirm that the specific lot date codes meet project requirements before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring fixed-frequency current mode control without external programming. The 1A drive strength suits moderate load requirements. Consider thermal performance within the 0°C to 85°C operating range when designing the PCB layout for heat dissipation.

DC DC Switching Controllers Part Context

This part belongs to the KA3882C/KA3883C series of fixed PWM controllers. These devices are engineered for cost-effective power management solutions. The series provides reliable operation for standard switching regulator architectures commonly used in consumer and industrial electronics.

DC DC Switching Controllers Replacement Considerations

Check for direct pin-compatible alternatives from ON Semiconductor if sourcing from the current manufacturer. Verify electrical parameter equivalence for any cross-brand substitutes.