APR34309CMPTR-G1 Equivalent & Substitute Parts

Part Overview

The APR34309CMPTR-G1 is a secondary-side synchronous rectifier controller manufactured by Diodes Incorporated, designed for power supply applications requiring AC/DC conversion with synchronized rectification. This 8-SO-EP package device operates across a 3.3V to 6V supply range and is classified as Active product status with full RoHS3 compliance. Substitute parts are identified when inventory constraints, lead time requirements, or application-specific packaging needs necessitate alternative component selection while maintaining functional equivalence within specified electrical and mechanical parameters.

Substiute Parts

APR34309CMPTR-G1

Diodes IncorporatedIn Stock: 12291APR34309CMPTR-G1 Datasheet

Current PartRFQ

LTC2920-1CS5#TRMPBF

Analog Devices Inc.In Stock: 1352LTC2920-1CS5#TRMPBF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the APR34309CMPTR-G1 is permissible when the alternative component meets the following criteria:

Primary Substitution Parameters:

• Functional classification: Power Management (PMIC) with secondary-side controller or power supply controller capability
• Supply voltage range: Minimum 3.3V to 6V operational window or compatible subset
• Current supply specification: 100 µA or higher capacity
• Operating temperature range: Minimum -40°C to 85°C or compatible subset
• Mounting type: Surface Mount
• Compliance: RoHS3 Compliant, REACH Unaffected, EAR99 classification
• Product status: Active

Package Considerations: Substitute parts may utilize different package types (SOT-23-5, TSOT-23-5, or other surface-mount configurations) provided the pin count, electrical interface, and thermal characteristics support the intended application. Package differences require verification of PCB layout compatibility and thermal management requirements.

The LTC2920-1CS5#TRMPBF qualifies as a substitute based on functional equivalence within the power management controller category, compatible supply voltage operation, and active product status with equivalent compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Both the APR34309CMPTR-G1 and LTC2920-1CS5#TRMPBF maintain Active product status with equivalent regulatory compliance (RoHS3, REACH Unaffected, EAR99). Selection between these components is determined by application-specific requirements:

APR34309CMPTR-G1 Selection Criteria:

• Applications requiring extended operating temperature range (-40°C to 85°C)
• Designs utilizing 8-SOIC package footprints
• Lower supply current consumption priority (100 µA)
• Standard moisture sensitivity handling (MSL 3)

LTC2920-1CS5#TRMPBF Selection Criteria:

• Applications operating within 0°C to 70°C temperature range
• Designs compatible with SOT-23-5 package footprints
• Designs benefiting from superior moisture resistance (MSL 1, Unlimited)
• Supply voltage range extending to 2.3V minimum acceptable for application

Both components satisfy RoHS3 compliance and REACH requirements, ensuring regulatory compatibility for equivalent applications.

Frequently Asked Questions (FAQ)

Q: Can the LTC2920-1CS5#TRMPBF directly replace the APR34309CMPTR-G1 in all applications?

A: Direct replacement is permissible only when the application operates within the LTC2920-1CS5#TRMPBF operating temperature range (0°C to 70°C) and the SOT-23-5 package is compatible with the PCB layout. The APR34309CMPTR-G1 supports extended temperature operation (-40°C to 85°C), which the substitute does not provide.

Q: What are the package differences between these components?

A: The APR34309CMPTR-G1 uses an 8-SOIC (0.154", 3.90mm Width) Exposed Pad package, while the LTC2920-1CS5#TRMPBF uses a SOT-23-5 Thin (TSOT-23-5) package. These are physically distinct packages requiring different PCB footprints and layout considerations.

Q: Are both components RoHS3 compliant?

A: Yes, both the APR34309CMPTR-G1 and LTC2920-1CS5#TRMPBF are RoHS3 Compliant and REACH Unaffected, meeting equivalent environmental and regulatory standards.

Q: What is the significance of the Moisture Sensitivity Level (MSL) difference?

A: The APR34309CMPTR-G1 has MSL 3 (168 Hours), requiring controlled storage and handling conditions. The LTC2920-1CS5#TRMPBF has MSL 1 (Unlimited), indicating superior moisture resistance and less stringent storage requirements. This affects component shelf life and handling procedures.

Q: How do the supply current specifications compare?

A: The APR34309CMPTR-G1 operates at 100 µA supply current, while the LTC2920-1CS5#TRMPBF operates at 230 µA. Applications with strict power consumption constraints may require the lower-current APR34309CMPTR-G1.

Q: What supply voltage range compatibility exists between these parts?

A: The APR34309CMPTR-G1 operates at 3.3V to 6V, while the LTC2920-1CS5#TRMPBF operates at 2.3V to 6V. The LTC2920-1CS5#TRMPBF provides extended low-voltage capability, but both support the common 3.3V to 6V operating window.