RT9022GU6 Equivalent & Substitute Parts

Part Overview

The RT9022GU6 is a linear voltage regulator IC from Richtek USA Inc. designed for positive adjustable output applications. This Surface Mount device operates with a maximum input voltage of 20V and delivers up to 60mA output current with a 1.25V to 19.7V adjustable output range. The part is currently Active in product status and maintains full RoHS3 compliance. Substitute parts are identified when equivalent functional performance is required due to inventory constraints, design optimization, or application-specific requirements within the allowed electrical and mechanical parameter ranges.

Substiute Parts

RT9022GU6

Richtek USA Inc.In Stock: 53233RT9022GU6 Datasheet

Current PartRFQ

MAX8891EXK33/V+T

Analog Devices Inc./Maxim IntegratedIn Stock: 8182MAX8891EXK33/V+T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT9022GU6 is determined by the following critical parameters:

• Package compatibility: 6-TSSOP, SC-88, SOT-363 form factor
• Output configuration: Positive polarity
• Voltage rating: Input maximum 20V or greater; output range capability within or exceeding 1.25V to 19.7V
• Current capacity: Output current rating of 60mA or greater
• Operating temperature range: -40°C to 85°C or broader
• Surface Mount technology
• RoHS3 compliance

The MAX8891EXK33/V+T meets the package, mounting, and compliance requirements. However, this part operates as a fixed 3.3V output regulator with 150mA capacity, representing a different functional class than the adjustable RT9022GU6. Substitution is valid only when the application specifically requires a 3.3V fixed output and can accommodate the higher current rating.

Parameter Comparison

Engineering Selection Recommendations

Both the RT9022GU6 and MAX8891EXK33/V+T are Active products with RoHS3 compliance and identical operating temperature ranges. The MAX8891EXK33/V+T carries AEC-Q100 automotive qualification, providing additional reliability assurance for automotive applications.

Selection between these parts depends on application requirements:

• Use RT9022GU6 when adjustable output voltage (1.25V to 19.7V) is required or when input voltages exceed 6V
• Use MAX8891EXK33/V+T when a fixed 3.3V output is acceptable and input voltage does not exceed 6V
• The MAX8891EXK33/V+T provides superior dropout performance (0.12V typical at 120mA versus 0.3V at 30mA) and higher output current capacity (150mA versus 60mA)

Frequently Asked Questions (FAQ)

Q: Can MAX8891EXK33/V+T directly replace RT9022GU6 in all applications?

A: No. The MAX8891EXK33/V+T is a fixed 3.3V output regulator, while the RT9022GU6 provides adjustable output from 1.25V to 19.7V. Direct substitution is only valid when the application specifically requires 3.3V output and input voltage remains below 6V.

Q: Are the packages physically identical?

A: Both parts use the 6-TSSOP, SC-88, SOT-363 package form factor and are Surface Mount devices. PCB layout compatibility is maintained.

Q: What are the key electrical differences?

A: The RT9022GU6 accepts input voltages up to 20V with adjustable output, while the MAX8891EXK33/V+T is limited to 6V input with fixed 3.3V output. The MAX8891EXK33/V+T delivers higher output current (150mA versus 60mA) and exhibits lower dropout voltage.

Q: Do both parts meet the same compliance standards?

A: Both are RoHS3 compliant and Active products. The MAX8891EXK33/V+T additionally carries AEC-Q100 automotive qualification.

Q: Which part should be selected for new designs?

A: Selection is application-dependent. For adjustable voltage requirements or higher input voltage tolerance, use RT9022GU6. For fixed 3.3V applications with lower input voltage, the MAX8891EXK33/V+T offers superior performance metrics and automotive qualification.