ISL6123IR

Power Supply Controllers, Monitors Overview

The ISL6123IR is a voltage sequencer manufactured by Intersil, designed for power supply control applications. It operates within a supply voltage range of 1.5V to 5.5V and features a threshold voltage adjustable from 700 mV to 5 V. The device is housed in a 24-VFQFN Exposed Pad package with surface mount mounting style. It draws a typical supply current of 200 µA and functions reliably across an operating temperature range of -40°C to 85°C.

Power Supply Controllers, Monitors Feature Summary

• Integrated four-channel controlled-on/controlled-off power sequencing capability
• Adjustable threshold voltage range supporting various logic levels
• Low supply current consumption for energy-efficient operation

Power Supply Controllers, Monitors Applications

• Multi-rail power system sequencing
• Voltage supervisor circuits
• Embedded system power management

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix (e.g., IRZA) against the required package variant and lead time requirements. Confirm that the 24-VFQFN footprint matches your PCB design constraints. Ensure the operating temperature range meets your environmental specifications before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this component when precise multi-channel power sequencing is required with low standby current. Consider the 24-pin QFN package size for space-constrained designs. Verify that the input voltage range aligns with your system's rail voltages and that the threshold adjustability covers your reset requirements.

Power Supply Controllers, Monitors Part Context

This part belongs to the Intersil ISL612x series of integrated power sequencing controllers. These devices are engineered to manage the startup and shutdown sequences of multiple power rails in complex electronic systems, ensuring proper initialization order and fault protection.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers include ISL6123IR-T and ISL6123IRZA-T. Verify pin compatibility and electrical specifications before substitution.