AP7315-32FS4-7B Equivalent & Substitute Parts

Part Overview

The AP7315-32FS4-7B is a linear voltage regulator IC manufactured by Diodes Incorporated, designed to deliver a fixed 3.2V output at 150mA. This positive fixed output regulator operates across an input voltage range up to 5.25V with a maximum dropout voltage of 0.29V at full load current. The device is housed in a 4-XDFN Exposed Pad surface mount package and includes over-current protection. As an active product with ROHS3 compliance and unlimited moisture sensitivity rating, it serves applications requiring stable low-voltage regulation in compact form factors. Equivalent substitute parts are identified to provide design flexibility, inventory alternatives, and supply chain continuity.

Substiute Parts

AP7315-32FS4-7B

Diodes IncorporatedIn Stock: 870AP7315-32FS4-7B Datasheet

Current PartRFQ

AP7315D-32FS4-7B

Diodes IncorporatedIn Stock: 1156AP7315D-32FS4-7B Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AP7315-32FS4-7B is determined by strict equivalence across the following critical parameters:

• Fixed output voltage of 3.2V
• Output current capability of 150mA
• Maximum input voltage of 5.25V
• Dropout voltage specification of 0.29V @ 150mA
• Quiescent current of 60 µA
• PSRR of 75dB (1kHz)
• Over-current protection feature
• Operating temperature range of -40°C ~ 85°C
• 4-XDFN Exposed Pad package (X2-DFN1010-4)
• Surface mount configuration
• Active product status with ROHS3 compliance

The AP7315D-32FS4-7B meets all these parameters identically and is classified as a parametric equivalent. Both parts share the same base product number (AP7315) and are manufactured by Diodes Incorporated, ensuring functional and electrical interchangeability within the specified operating conditions.

Parameter Comparison

Engineering Selection Recommendations

Both the AP7315-32FS4-7B and AP7315D-32FS4-7B are active products with identical electrical and mechanical specifications. Selection between these parts may be based on inventory availability and supply chain considerations. The AP7315D-32FS4-7B currently has higher inventory availability (1099 pcs) compared to the AP7315-32FS4-7B (845 pcs). Both parts maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and commercial applications. The identical MSL rating of 1 (Unlimited) indicates no moisture sensitivity constraints for either part during storage and handling.

Frequently Asked Questions (FAQ)

Q: Can AP7315D-32FS4-7B be used as a direct replacement for AP7315-32FS4-7B?

A: Yes. Both parts are parametric equivalents with identical electrical characteristics, output voltage, current rating, dropout voltage, and package configuration. Direct substitution is supported without circuit modification.

Q: Are there any differences in the package or pinout between these parts?

A: No. Both parts use the identical 4-XDFN Exposed Pad package (X2-DFN1010-4) with surface mount configuration. Pinout and PCB footprint compatibility is guaranteed.

Q: What determines substitution eligibility for the AP7315-32FS4-7B?

A: Substitution is based on matching the fixed 3.2V output voltage, 150mA output current, 5.25V maximum input voltage, 0.29V dropout voltage specification, 60 µA quiescent current, 75dB PSRR, over-current protection, -40°C to 85°C operating range, and 4-XDFN Exposed Pad package type.

Q: Do both parts have the same compliance certifications?

A: Yes. Both the AP7315-32FS4-7B and AP7315D-32FS4-7B are ROHS3 compliant, REACH unaffected, and carry MSL rating 1 (Unlimited).

Q: Is there a performance difference between these two part numbers?

A: No. All electrical parameters, thermal characteristics, and protection features are identical between AP7315-32FS4-7B and AP7315D-32FS4-7B.