ISL91127IRAZ-T7A

$3.76

Description：IC REG BUCK BST ADJ/1V 2A 20QFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:4796a9e162e6 Category: Voltage Regulators - DC DC Switching Regulators Brand: Renesas Electronics Corporation

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Product introduction

ISL91127IRAZ-T7A is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC REG BUCK BST ADJ/1V 2A 20QFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for ISL91127IRAZ-T7A

Description：IC REG BUCK BST ADJ/1V 2A 20QFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Up, Step-Down
Output Configuration：Positive
Topology：Buck-Boost
Output Type：Adjustable (Fixed)
Number of Outputs：1
Voltage - Input (Min)：1.8V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：1V
Voltage - Output (Max)：5.2V
Current - Output：2A
Frequency - Switching：2.5MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：20-VFQFN Exposed Pad
Supplier Device Package：20-QFN (4x4)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for ISL91127IRAZ-T7A

ISL91127IRAZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91127IRAZ-T7A is a high-efficiency synchronous buck-boost switching regulator manufactured by Renesas Electronics. It features a four-switch architecture with integrated 4.25A power switches, supporting an input voltage range of 1.8V to 5.5V and delivering up to 2A continuous output current. The device operates at a fixed 2.5MHz switching frequency and maintains a low quiescent current of 30μA. It utilizes an adjustable output configuration housed in a compact 4mm x 4mm QFN-20 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Supports input voltages both above and below the regulated output level
Automatically transitions between buck and boost modes without discontinuity
Integrates low on-resistance synchronous rectifiers for optimized efficiency
Includes comprehensive protection against short circuits, overtemperature, and undervoltage

Voltage Regulators - DC DC Switching Regulators Applications

Battery-powered handheld consumer devices
Medical equipment requiring extended runtime
Smartphone and tablet systems maintaining voltage during discharge
Wireless communication modules
RF power amplifiers in 2G/3G/4G networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T7A' corresponds to the required tape-and-reel packaging format. Confirm that the QFN-20 package dimensions align with the PCB footprint design. Ensure the component meets RoHS3 compliance requirements for the target assembly process. Cross-reference the manufacturer date code to verify production status.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when input voltage fluctuates significantly around the output rail. It is suitable for applications demanding high efficiency across varying load conditions. The 2.5MHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the thermal performance of the QFN-20 package for high-current scenarios.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL91127 series of buck-boost regulators designed for single-cell lithium-ion battery systems. It addresses energy utilization challenges in advanced battery chemistries where significant capacity remains at low voltages. The series emphasizes seamless mode transition and high efficiency to maximize operational time in portable electronics.