ISL6845IBZ-T

Power Supply Controllers, Monitors Overview

The ISL6845IBZ-T is a switching controller from the ISL6840-6845 family, designed for single-ended boost and flyback topologies. It operates with a fixed 2000 kHz switching frequency and supports up to 48% maximum duty cycle. The device features an 8.4V undervoltage lockout threshold and delivers a 1A output current capability. It functions within a supply voltage range of 9V to 16V and is rated for operation between -40°C and +105°C in an 8-SOIC package.

Power Supply Controllers, Monitors Feature Summary

• Implements current mode PWM control with a fixed 50% duty cycle characteristic.

Power Supply Controllers, Monitors Applications

• Industrial power systems

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized channels as this part is marked as obsolete by the manufacturer. Confirm that the specific suffix corresponds to the reel packaging variant rather than the tube version. Ensure compatibility with existing design specifications before procurement due to end-of-life status.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring high-frequency boost or flyback regulation. Consider the fixed switching frequency when designing magnetic components. Evaluate thermal performance given the industrial temperature range. Verify input voltage constraints align with the specified operating window.

Power Supply Controllers, Monitors Part Context

This integrated circuit belongs to the ISL684x series of power controllers manufactured by Renesas Electronics. The series provides industry-standard solutions for single-ended converter applications. The IBZ-T designation indicates surface mount packaging in a tape and reel format suitable for automated assembly processes.

Power Supply Controllers, Monitors Replacement Considerations

Consult official documentation for confirmed substitute part numbers. Cross-reference electrical parameters such as switching frequency and package dimensions to ensure functional equivalence in existing designs.