ISL6440IA

Description：IC REG CTRLR BUCK 24QSOP
Series：-
Mfr：Renesas Electronics Corporation
Package：Tube

SKU:962c438c2196 Category: DC DC Switching Controllers Brand: Renesas Electronics Corporation

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Product introduction

ISL6440IA is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC REG CTRLR BUCK 24QSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for ISL6440IA

Description：IC REG CTRLR BUCK 24QSOP
Series：-
Mfr：Renesas Electronics Corporation
Package：Tube
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：2
Output Phases：2
Voltage - Supply (Vcc/Vdd)：5.6V ~ 24V
Frequency - Switching：300kHz
Duty Cycle (Max)：93%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Phase Control, Power Good, Soft Start
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：24-SSOP (0.154", 3.90mm Width)
Supplier Device Package：24-QSOP
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for ISL6440IA

ISL6440IA

DC DC Switching Controllers Overview

The ISL6440IA is a dual synchronous buck switching controller manufactured by Renesas Electronics Corporation. It operates with a fixed switching frequency of 300 kHz and supports an input voltage range from 5.6 V to 24 V. The device features two independent outputs with a maximum duty cycle of 93%. It utilizes a 24-lead QSOP package and is rated for operation within a temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

Dual synchronous buck topology for efficient multi-rail power distribution
Integrated phase control capability for load balancing in parallel configurations
Built-in soft-start function to limit inrush current during startup
Power good indicator signal for system monitoring and sequencing

DC DC Switching Controllers Applications

Multi-voltage point-of-load regulation in industrial systems
Power management for telecommunications infrastructure equipment
Server and networking hardware requiring synchronized buck stages

DC DC Switching Controllers Procurement Notes

Verify component authenticity due to discontinued status. Confirm RoHS compliance requirements as the part may not meet current standards. Check for moisture sensitivity level handling precautions during storage and assembly. Validate pin compatibility if replacing with newer equivalents.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring dual synchronous buck conversion at 300 kHz. Ensure input voltage stays within the 5.6 V to 24 V range. Consider thermal performance in the 24-QSOP package. Verify that external components support the required output current and voltage specifications.

DC DC Switching Controllers Part Context

This component belongs to the ISL6440 family of dual synchronous buck controllers. It is designed for applications needing two regulated outputs from a single high-side input. The device integrates gate drivers and control logic to minimize external component count while maintaining high efficiency.