ISL9122AIRNZ-T7A

$3.49

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

SKU:c40d92fce9e8 Category: Voltage Regulators - DC DC Switching Regulators Brand: Renesas Electronics Corporation

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Product introduction

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

Voltage Regulators - DC DC Switching Regulators specifications for ISL9122AIRNZ-T7A

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-T7A

ISL9122AIRNZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9122AIRNZ-T7A is a flexible buck-boost switching regulator with bypass mode, designed for ultra-low quiescent current applications. It operates with input voltages from 1.8V to 5.5V and provides an adjustable output voltage ranging from 1.8V to 5.35V. The device delivers up to 0.5A of output current in an 8-lead DFN package (2x3mm). Key electrical characteristics include a 2.5MHz switching frequency, synchronous rectification, and operation across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Ultra-low quiescent, standby, and shutdown currents extend battery life for IoT devices
High efficiency at both light and heavy loads with dynamic Vout change capability
Multiple operating modes including PFM/PWM, forced PWM, ultra-sonic, and forced bypass
Fast transient response with I²C interface for output voltage adjustment

Voltage Regulators - DC DC Switching Regulators Applications

Wireless earbuds
Fitness bands and smart watches
Water and gas meters
Portable medical devices
Battery-operated smart IoT devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix T7A against the official Renesas datasheet to confirm tape-and-reel packaging specifications. Confirm that the 8-DFN 2x3mm package matches the design requirements. Ensure the component meets the required -40°C to +85°C ambient temperature operating range for the target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when designing systems powered by coin-cell, lithium, or multiple series alkaline batteries. It is suitable for applications requiring seamless transition between buck and boost modes without external components. Consider the 0.5A output limit and 2.5MHz frequency when sizing passive components and managing EMI constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the ISL9122A family of ultra-low IQ buck-boost regulators from Renesas. It shares functional similarities with the ISL9122AIRNZ-T but differs in packaging and reel quantity. It complements other PMICs like the ISL9120 and ISL9112, offering a compact solution for low-power wireless sensor nodes and wearable electronics.