ISL6840IBZ-T

Power Supply Controllers, Monitors Overview

The ISL6840IBZ-T is a single-ended PWM current mode controller from the Renesas ISL684x family, designed for adjustable frequency power conversion applications. It features an advanced BiCMOS design pin-compatible with industry standard 384x controllers. Key electrical parameters include a 60µA start-up current and an adjustable operating frequency up to 2MHz. The device provides high peak current drive capability with 20ns rise and fall times. It operates within a temperature range of -40°C to +105°C and is housed in an 8-lead SOIC package.

Power Supply Controllers, Monitors Feature Summary

• Peak current mode control handles power transients and provides inherent overcurrent protection
• Advanced BiCMOS design offers significantly improved performance compared to legacy controllers
• Low operating current with 60µA start-up current reduces standby power consumption
• High peak current drive capability ensures fast switching transitions

Power Supply Controllers, Monitors Applications

• Telecom and Datacom Power
• Wireless Base Station Power
• File Server Power
• Industrial Power Systems
• PC Power Supplies

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'IRZ' against 'IBZ' as datasheets typically list ISL6840IRZ-T. Confirm the package type matches the required board layout. Ensure the temperature grade aligns with system requirements. Check RoHS compliance status. Validate supplier authenticity through authorized channels.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring drop-in replacement for 384x series controllers. Ideal for boost, flyback, and isolated output configurations. Suitable for applications needing adjustable frequency up to 2MHz. Consider thermal management for high-current drives. Evaluate compatibility with existing PCB footprints.

Power Supply Controllers, Monitors Part Context

Part of the ISL684x family including ISL6840, ISL6841, ISL6842, ISL6843, and ISL6844. These are low-power, adjustable frequency PWM current mode controllers. The family is designed for wide-range power conversion applications. They offer enhanced performance over traditional controllers while maintaining pin compatibility.

Power Supply Controllers, Monitors Replacement Considerations

Pin-compatible with industry standard 384x family controllers. Verify electrical parameter differences when replacing legacy parts. Ensure voltage and current ratings meet application needs.