ISL6843IBZ-T

Power Supply Controllers, Monitors Overview

The ISL6843IBZ-T is a current mode PWM switching controller manufactured by Renesas Electronics Corporation, belonging to the ISL6843 series. It supports Boost and Flyback topologies with a single output. The device operates at a switching frequency of 2 MHz and features a maximum duty cycle of 96%. It provides an output voltage of 20.3 V and an output current capability of 1 A. The component functions within a temperature range of -40°C to +105°C and is housed in an SOIC-8 surface-mount package.

Power Supply Controllers, Monitors Feature Summary

• Supports Boost and Flyback converter topologies for versatile power supply designs
• Utilizes current mode PWM control architecture for stable regulation
• Features high-frequency operation at 2 MHz to enable compact passive components

Power Supply Controllers, Monitors Applications

• Boost converter circuits
• Flyback converter implementations
• General-purpose DC-DC power management systems

Power Supply Controllers, Monitors Procurement Notes

Verify availability status as the component may be discontinued or subject to limited supply. Confirm exact ordering suffixes and packaging options such as tape and reel quantities. Ensure compliance with RoHS directives and moisture sensitivity levels prior to procurement. Cross-reference datasheet revisions to confirm pinout and electrical specifications match design requirements.

Power Supply Controllers, Monitors Selection Notes

Select this controller for applications requiring a 2 MHz switching frequency to minimize inductor size. Ensure the design accommodates the 1 A output current limit and 20.3 V output voltage constraint. Verify that the operating environment stays within the specified -40°C to +105°C temperature range. Consider the SOIC-8 package dimensions for PCB layout constraints.

Power Supply Controllers, Monitors Part Context

The ISL6843IBZ-T is part of the ISL6843 family from Renesas Electronics Corporation, formerly Intersil. This series focuses on efficient power management solutions using current mode PWM control. The specific model integrates essential protection features and supports common isolated and non-isolated converter topologies.

Power Supply Controllers, Monitors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official Renesas resources for potential obsolescence notifications or recommended upgrades.