ISL91108IIAZ-T7A

$2.94

Description：IC REG BUCK BST ADJ 3.7A 20WLCSP
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:78edb491b0b8 Category: Voltage Regulators - DC DC Switching Regulators Brand: Renesas Electronics Corporation

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Product introduction

ISL91108IIAZ-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 3.7A 20WLCSP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for ISL91108IIAZ-T7A

Description：IC REG BUCK BST ADJ 3.7A 20WLCSP
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
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：3.7A (Switch)
Frequency - Switching：2.6MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：20-UFBGA, WLCSP
Supplier Device Package：20-WLCSP
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for ISL91108IIAZ-T7A

ISL91108IIAZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91108IIAZ-T7A is a highly integrated buck-boost switching regulator IC from Renesas Electronics. It features a positive adjustable output voltage range of 1V to 5.2V with a single output channel. The device supports an output current of 1.6A and utilizes internal switches rated at 3.7A. It operates with a fixed switching frequency of 2.6MHz. The component accepts input voltages either above or below the regulated output, making it suitable for battery-powered applications. It is housed in a 20-pin WLCSP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Highly integrated buck-boost topology accepting input voltages above or below the regulated output
Positive adjustable output voltage capability within specified limits
Fixed high-frequency switching operation for compact external component sizing

Voltage Regulators - DC DC Switching Regulators Applications

Battery-powered portable electronic devices
Systems requiring input voltage variation relative to output
Space-constrained mobile applications

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T7A' against the manufacturer's official datasheet to confirm tape and reel packaging specifications. Ensure the WLCSP-20 package dimensions match your PCB footprint requirements. Cross-reference the part number with the latest Renesas discontinuation notices, as related variants may have different lifecycle statuses. Confirm RoHS compliance details directly from the certified documentation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when input voltage fluctuates around the desired output level, such as in single-cell lithium-ion battery systems. The fixed 2.6MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Verify that the required output current does not exceed the 1.6A limit under all thermal conditions. Consider the WLCSP package size constraints during layout design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL91108 series of buck-boost regulators. It shares architectural similarities with other members like the ISL91107 but differs in switch current ratings and package options. The series is designed for efficiency in portable electronics where battery life and board space are critical factors.