ISL6540AIRZA-T

$5.28

Description：IC REG CTRLR BUCK 28QFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:9a74bd5494e6 Category: DC DC Switching Controllers Brand: Renesas Electronics Corporation

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Product introduction

ISL6540AIRZA-T 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 28QFN. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for ISL6540AIRZA-T

Description：IC REG CTRLR BUCK 28QFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：2.97V ~ 22V
Frequency - Switching：250kHz ~ 2MHz
Duty Cycle (Max)：100%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Enable, Frequency Control, Power Good, Soft Start
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：28-VFQFN Exposed Pad
Supplier Device Package：28-QFN (5x5)
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for ISL6540AIRZA-T

ISL6540AIRZA-T

DC DC Switching Controllers Overview

The ISL6540AIRZA-T is a synchronous buck DC-DC switching controller manufactured by Renesas Electronics Corporation. It operates within an input voltage range of 2.97V to 22V and supports a switching frequency between 250kHz and 2MHz. The device features a 100% maximum duty cycle and includes integrated control characteristics such as current limiting, enable functionality, frequency control, power good indication, and soft start. It is housed in a 28-VFQFN package with an exposed pad.

DC DC Switching Controllers Feature Summary

Synchronous rectification architecture for high efficiency
Integrated protection mechanisms including current limiting and soft start
Wide operating supply voltage range supporting various input sources

DC DC Switching Controllers Applications

Industrial controls
Point-of-load regulation
General purpose DC-DC conversion

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'A' and tape-and-reel designation 'T' against official datasheets, as standard listings often reference the non-tape variant. Confirm component status, as this series has been subject to end-of-life notifications. Ensure compatibility with required thermal dissipation for the 28-QFN package during integration.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring wide input voltage flexibility and precise digital-like control features without a microcontroller interface. Evaluate the 28-pin footprint constraints against available board space. Consider the discontinued status when planning long-term production lifecycles and potential obsolescence risks.

DC DC Switching Controllers Part Context

This component belongs to the ISL6540 family of synchronous buck controllers designed for versatile power management tasks. It shares architectural similarities with other Renesas PMICs but is distinct in its specific pinout and voltage handling capabilities compared to smaller packages like the ISL6545.