AP7344D-1528RH4-7 Equivalent & Substitute Parts

Part Overview

The AP7344D-1528RH4-7 is a linear voltage regulator IC from Diodes Incorporated designed for positive fixed dual-output applications. This device integrates two independent 300mA regulators with fixed output voltages of 1.5V and 2.8V in a compact 8-XFDFN exposed pad surface mount package. The part is currently in Last Time Buy status, indicating end-of-life production. Identifying qualified substitute parts is necessary to ensure design continuity and maintain supply chain reliability for new production runs and long-term product support.

Substiute Parts

AP7344D-1528RH4-7

Diodes IncorporatedIn Stock: 967AP7344D-1528RH4-7 Datasheet

Current PartRFQ

AP7345D-1528RH4-7

Diodes IncorporatedIn Stock: 789AP7345D-1528RH4-7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AP7344D-1528RH4-7 is determined by the following critical parameters:

• Identical output voltage configuration (1.5V and 2.8V fixed outputs)
• Dual regulator topology with independent 300mA output capability per channel
• Maximum input voltage rating of 5.25V or higher
• Voltage dropout specifications compatible with system requirements
• Identical or superior quiescent current performance
• Surface mount packaging in 8-XFDFN exposed pad format
• Compliance with ROHS3 and REACH requirements
• Operating temperature range of -40°C to 85°C minimum

The AP7345D-1528RH4-7 qualifies as a direct substitute based on matching all critical electrical and mechanical parameters while offering active product status and enhanced control features.

Parameter Comparison

Engineering Selection Recommendations

The AP7345D-1528RH4-7 is the qualified substitute for the AP7344D-1528RH4-7. Both parts maintain identical electrical specifications across all critical parameters including output voltage configuration, current delivery, dropout voltage, and quiescent current performance. The AP7345D-1528RH4-7 offers the advantage of active product status, ensuring continued availability and manufacturing support. Both parts carry ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements. The identical package footprint and pinout enable direct board-level substitution without design modification. Selection between these parts should be based on supply chain availability and production timeline requirements.

Frequently Asked Questions (FAQ)

Q: Can the AP7345D-1528RH4-7 be used as a direct replacement for the AP7344D-1528RH4-7 on existing PCBs?

A: Yes. Both parts share identical pinout, package dimensions (8-XFDFN exposed pad), and electrical specifications. No PCB redesign is required for substitution.

Q: What is the primary difference between these two parts?

A: The AP7344D-1528RH4-7 is in Last Time Buy status, while the AP7345D-1528RH4-7 maintains active production status. The AP7345D also includes current limit control features in addition to enable control.

Q: Are the output voltage specifications identical?

A: Yes. Both parts provide fixed dual outputs of 1.5V and 2.8V with identical dropout voltage performance and quiescent current specifications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL rating 1 (unlimited moisture sensitivity level).

Q: What is the maximum input voltage for both regulators?

A: The maximum input voltage for both the AP7344D-1528RH4-7 and AP7345D-1528RH4-7 is 5.25V.

Q: Are there any control feature differences that affect circuit design?

A: The AP7345D-1528RH4-7 includes current limit and enable control features, while the AP7344D-1528RH4-7 includes only enable control. Both support the same enable functionality required for standard applications.