ISL9122AIRNZ-T

$3.14

Description：IC REG BUCK BOOST ADJ 500MA 8DFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:72e86ac3bc8e Category: Voltage Regulators - DC DC Switching Regulators Brand: Renesas Electronics Corporation

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Product introduction

ISL9122AIRNZ-T 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 BOOST ADJ 500MA 8DFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for ISL9122AIRNZ-T

Description：IC REG BUCK BOOST ADJ 500MA 8DFN
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)：1.8V
Voltage - Output (Max)：5.375V
Current - Output：500mA
Frequency - Switching：2.5MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-VFDFN Exposed Pad
Supplier Device Package：8-DFN (2x3)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for ISL9122AIRNZ-T

ISL9122AIRNZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9122AIRNZ-T is a synchronous buck-boost switching regulator manufactured by Renesas Electronics Corporation. It operates with an input voltage range of 1.8V to 5.5V and provides a single adjustable output from 1.8V to 5.375V. The device supports up to 500mA output current and utilizes a 2.5MHz switching frequency. Packaged in an 8-lead VFDFN (2x3mm) with an exposed pad, it functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Ultra-low quiescent current for extended battery life in IoT devices
Flexible buck-boost topology with bypass mode operation
I²C interface for dynamic output voltage adjustment
Multiple operating modes including PFM/PWM, forced PWM, and ultra-sonic

Voltage Regulators - DC DC Switching Regulators Applications

Wireless earbuds and fitness bands
Smart watches and portable medical devices
Water and gas meters
Battery-operated smart IoT sensors and MCUs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation to confirm tape-and-reel packaging specifications. Confirm that the ordering part number matches the required package variant and temperature grade. Ensure compatibility with I²C control lines for voltage adjustment features. Check for any recent product change notices regarding labeling or manufacturing site updates before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring seamless transition between buck and boost modes while maintaining high efficiency at light loads. The integrated synchronous rectifiers and small footprint make it suitable for space-constrained designs. Consider the I²C adjustability feature if dynamic voltage scaling is required during operation. Verify input voltage ranges align with the specific battery chemistry used in the target application.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9122 series of ultra-low IQ buck-boost regulators designed for energy-constrained environments. It replaces older linear regulators in battery-powered systems to improve overall system efficiency. The series targets modern IoT ecosystems where power conservation and compact form factors are critical design constraints.