KA7500C

DC DC Switching Controllers Overview

The KA7500C is a pulse width modulation (PWM) switching regulator controller designed for power supply control circuits. It integrates a stable 5V reference voltage circuit trimmed to ±1% accuracy, two error amplifiers, a flip-flop, an output control circuit, a PWM comparator, and a dead-time comparator. The device features an uncommitted output terminal capable of sourcing or sinking 200mA current. It operates within a temperature range of 0°C to +70°C and is available in a 16-pin PDIP package.

DC DC Switching Controllers Feature Summary

• Integrates a stable 5V reference voltage circuit with high precision trimming
• Includes dual error amplifiers for precise feedback control
• Features an uncommitted output terminal with 200mA sink or source capability

DC DC Switching Controllers Applications

• Pulse width modulation switching regulator control circuits
• DC-DC converter designs requiring integrated PWM control
• Power management systems utilizing step-down topologies

DC DC Switching Controllers Procurement Notes

Verify the manufacturer origin, as the component was originally from Fairchild Semiconductor and later associated with onsemi. Confirm the specific suffix indicates the correct accuracy grade and package type. Check for end-of-life status or discontinuation notices from distributors. Ensure the datasheet matches the required pinout and electrical specifications for your design.

DC DC Switching Controllers Selection Notes

Select this component when a complete PWM controller solution is needed without external oscillator or reference requirements. Consider the 200mA output drive capability for direct gate driving applications. Verify that the operating temperature range meets the environmental conditions of the target application. Ensure compatibility with the desired switching frequency and topology constraints.

DC DC Switching Controllers Part Context

The KA7500C belongs to the family of PWM switching regulators used in offline and DC-DC power conversion. It serves as a core control element in switch-mode power supplies, replacing discrete logic and analog components. The integration of error amplifiers and comparators simplifies the design of isolated and non-isolated converters.

DC DC Switching Controllers Replacement Considerations

Check for equivalents such as the KA7500B or other compatible PWM controllers from onsemi or Fairchild. Verify pin compatibility and electrical parameter alignment before substitution. Review official replacement lists for any functional differences in package or accuracy grades.