AP7342D-3612FS6-7 Equivalent & Substitute Parts

Part Overview

The AP7342D-3612FS6-7 is a linear voltage regulator IC from Diodes Incorporated designed for dual-output power management applications. This device provides two independent fixed voltage outputs (1.2V and 3.6V) with 150mA per channel in a compact 6-pin X2-DFN1212-6 surface mount package. The part is classified as Last Time Buy, indicating end-of-life status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support long-term product availability for applications requiring dual-output linear regulation.

Substiute Parts

AP7342D-3612FS6-7

Diodes IncorporatedIn Stock: 867AP7342D-3612FS6-7 Datasheet

Current PartRFQ

AP7345D-3612RH4-7

Diodes IncorporatedIn Stock: 1030AP7345D-3612RH4-7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AP7342D-3612FS6-7 is determined by the following critical parameters:

• Dual-output configuration with fixed voltage levels (1.2V and 3.6V)
• Positive output polarity
• Maximum input voltage of 5.25V
• Operating temperature range of -40°C to 85°C
• Surface mount packaging with exposed pad design
• RoHS3 compliance and REACH unaffected status

The AP7345D-3612RH4-7 qualifies as a manufacturer-recommended substitute based on matching output voltage levels, input voltage specifications, operating temperature range, and regulatory compliance. While the substitute offers enhanced current capacity (300mA per channel versus 150mA) and improved package density (8-pin versus 6-pin), these represent functional upgrades rather than deviations from the core substitution criteria.

Parameter Comparison

Engineering Selection Recommendations

The AP7345D-3612RH4-7 is the manufacturer-recommended substitute for the AP7342D-3612FS6-7. Selection of this substitute is supported by:

• Active product status, ensuring continued availability and supply chain support
• Identical output voltage specifications and input voltage ratings
• Matching operating temperature range and regulatory compliance (ROHS3, REACH unaffected)
• Enhanced current capacity (300mA per channel) providing design margin for existing and future applications
• Same manufacturer (Diodes Incorporated) ensuring consistent design philosophy and support

The transition from Last Time Buy to Active status makes the AP7345D-3612RH4-7 the appropriate choice for new designs and ongoing production requirements.

Frequently Asked Questions (FAQ)

Q: Can the AP7345D-3612RH4-7 directly replace the AP7342D-3612FS6-7 in existing designs?

A: Yes. Both devices provide identical output voltage levels (1.2V and 3.6V), matching input voltage specifications (5.25V maximum), and identical operating temperature ranges (-40°C to 85°C). The substitute operates within the same electrical envelope as the original part.

Q: What are the key differences between these two parts?

A: The primary differences are output current capacity (300mA versus 150mA per channel), package pin count (8-pin versus 6-pin), and product status (Active versus Last Time Buy). The substitute offers higher current capability and improved thermal performance through the larger package.

Q: Are there PCB layout considerations when switching from the AP7342D-3612FS6-7 to the AP7345D-3612RH4-7?

A: Yes. The AP7345D-3612RH4-7 uses an 8-pin X2-DFN1612-8 package compared to the 6-pin X2-DFN1212-6 package of the original part. PCB footprint, trace routing, and thermal pad design must be updated to accommodate the larger package dimensions and additional pins.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the AP7342D-3612FS6-7 and AP7345D-3612RH4-7 are ROHS3 compliant and REACH unaffected, meeting identical regulatory standards.

Q: What is the impact of the higher quiescent current in the substitute part?

A: The AP7345D-3612RH4-7 has a quiescent current of 140 µA compared to 100 µA in the original part. This 40 µA difference is negligible in most applications and is offset by the improved current delivery capability and active product status.