AP2204MP-ADJTRG1 Equivalent & Substitute Parts

Part Overview

The AP2204MP-ADJTRG1 is a linear voltage regulator IC with positive adjustable output, rated for 150mA maximum output current. Manufactured by Diodes Incorporated, this device is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The regulator features adjustable output voltage from 1.24V to 22V with integrated over-current and over-temperature protection.

Substiute Parts

AP2204MP-ADJTRG1

Diodes IncorporatedIn Stock: 12239AP2204MP-ADJTRG1 Datasheet

Current PartRFQ

AP2205-W5-7

Diodes IncorporatedIn Stock: 3256AP2205-W5-7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The AP2205-W5-7 qualifies as a manufacturer-recommended substitute based on the following critical parameters:

Output voltage range compatibility: Both parts support adjustable output from 1.24V to 22V, enabling direct functional replacement in voltage regulation applications.

Input voltage specification: Maximum input voltage of 24V is identical across both parts, ensuring compatibility with existing power supply designs.

Dropout voltage performance: Both parts maintain 0.5V maximum dropout at 150mA, preserving efficiency characteristics in the original application.

Protection architecture: Both devices incorporate over-current and over-temperature protection, maintaining system safety requirements.

Compliance standards: Both parts are ROHS3 compliant and REACH unaffected, satisfying regulatory requirements.

The primary distinction is the AP2205-W5-7 offers increased output current capability (250mA versus 150mA) and extended operating temperature range (-40°C to 125°C versus -40°C to 85°C), with improved moisture sensitivity rating (MSL 1 versus MSL 3). The substitute part is currently active in production, addressing the obsolescence status of the original part.

Parameter Comparison

Engineering Selection Recommendations

The AP2205-W5-7 is the manufacturer-designated substitute for the obsolete AP2204MP-ADJTRG1. Selection of the AP2205-W5-7 is appropriate for applications requiring:

Continued production support: The AP2205-W5-7 maintains active product status, ensuring long-term availability and supply chain continuity.

Regulatory compliance: Both ROHS3 and REACH compliance are maintained, satisfying environmental and hazardous substance directives.

Enhanced reliability: The AP2205-W5-7 provides improved moisture sensitivity rating (MSL 1 versus MSL 3), reducing handling and storage constraints.

Expanded thermal operating range: The extended temperature specification (-40°C to 125°C) accommodates applications with elevated ambient or junction temperature requirements.

Increased current capacity: The 250mA output rating provides design margin for applications originally specified at 150mA.

Package transition: The change from 8-SOIC to SOT-25 packaging requires PCB layout modification but maintains surface-mount compatibility.

Frequently Asked Questions (FAQ)

Q: Can the AP2205-W5-7 directly replace the AP2204MP-ADJTRG1 without circuit modification?

A: Functional replacement is possible due to identical output voltage range (1.24V to 22V), input voltage specification (24V max), and dropout voltage performance (0.5V @ 150mA). However, package geometry differs (8-SOIC versus SOT-25), requiring PCB layout redesign. Pin configuration must be verified against device datasheets before implementation.

Q: What are the implications of the package change from 8-SOIC to SOT-25?

A: The SOT-25 package is physically smaller than 8-SOIC, reducing board space requirements. Pin pitch and lead configuration differ, necessitating new PCB footprint design. Thermal performance characteristics may vary; thermal management analysis should be performed for applications with high power dissipation.

Q: Does the increased output current rating (250mA) of the AP2205-W5-7 affect circuit design?

A: The higher current rating provides design margin and does not require circuit modification. Applications originally specified at 150mA operate within the AP2205-W5-7 capability. Thermal dissipation and PCB current routing should be evaluated based on actual load requirements.

Q: Are there differences in protection features between the two parts?

A: The AP2205-W5-7 includes reverse polarity protection in addition to over-current and over-temperature protection present in the AP2204MP-ADJTRG1. This enhancement improves system robustness against input polarity errors.

Q: What is the significance of the MSL rating difference?

A: The AP2204MP-ADJTRG1 has MSL 3 (168-hour moisture sensitivity), requiring controlled storage and handling. The AP2205-W5-7 has MSL 1 (unlimited moisture sensitivity), eliminating moisture-related handling constraints and reducing storage complexity.

Q: Is the extended operating temperature range of the AP2205-W5-7 relevant for all applications?

A: The extended range (-40°C to 125°C versus -40°C to 85°C) is beneficial for applications in elevated temperature environments or with high internal power dissipation. For applications within the original temperature specification, this enhancement provides additional thermal margin.