ISL9021AIRUCZ-T7A

Description：IC REG LINEAR 1.8V 250MA 6-UTDFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:ba5217f3dd68 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: Renesas Electronics Corporation

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Product introduction

ISL9021AIRUCZ-T7A is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC REG LINEAR 1.8V 250MA 6-UTDFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for ISL9021AIRUCZ-T7A

Description：IC REG LINEAR 1.8V 250MA 6-UTDFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR),Cut Tape (CT)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：1.8V
Voltage - Output (Max)：-
Voltage Dropout (Max)：-
Current - Output：250mA
Current - Quiescent (Iq)：50 µA
Current - Supply (Max)：-
PSRR：-
Control Features：Enable
Protection Features：Over Current, Over Temperature, Reverse Polarity, Short Circuit, Soft Start
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：6-UFDFN
Supplier Device Package：6-UTDFN (1.6x1.6)
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for ISL9021AIRUCZ-T7A

ISL9021AIRUCZ-T7A

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The ISL9021AIRUCZ-T7A is a fixed-output linear low-dropout regulator (LDO) manufactured by Renesas Electronics. It provides a fixed 1.8V output with a maximum continuous current of 250mA. The device operates within an input voltage range up to 5.5V and features a typical quiescent current of 50 µA. It is housed in a compact 6-UTDFN package measuring 1.6x1.6 mm. The component supports operation across an extended temperature range from -40°C to +85°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

Integrated protection mechanisms including overcurrent, thermal shutdown, reverse polarity, short-circuit, and soft-start capabilities.
Designed for low-noise performance and high power supply rejection ratio (PSRR) suitable for sensitive analog circuits.
Features a low dropout voltage characteristic to maintain regulation under varying load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

Portable battery-powered electronic devices requiring efficient linear regulation.
RF modules and communication interfaces needing low-noise power supplies.
Embedded systems utilizing microcontrollers or sensors with specific 1.8V logic requirements.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the End-of-Life (EOL) status before procurement, as official records indicate this part has reached obsolescence. Confirm that existing inventory sources are legitimate and not counterfeit. Check for alternative replacement components if long-term supply continuity is required for production. Ensure compatibility with RoHS3 standards if applicable to your region's regulations.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a stable 1.8V rail is needed with moderate current demands up to 250mA. Consider its small 6-UTDFN footprint for space-constrained designs. Evaluate the trade-off between the 50 µA quiescent current and the need for low noise versus switching regulators. Ensure the input voltage does not exceed the 5.5V maximum rating during all operating conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This LDO belongs to the ISL9021A series, which offers various fixed output voltages and packages. The 'AIRU' suffix typically denotes automotive-grade qualification and the specific 1.8V output variant in the UTDFN-6 package. The series is designed for applications requiring high PSRR and low noise in portable electronics.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Official substitutes include other variants within the ISL9021A family such as ISL9021AIRUMZ-T7A (3.0V) or ISL9021AIRUFZ-T7A (2.5V, 1A). Verify pinout and thermal characteristics match the original design constraints.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.