AP7354D-12FS4-7 Equivalent & Substitute Parts

Part Overview

The AP7354D-12FS4-7 is a linear voltage regulator IC from Diodes Incorporated, classified as a Power Management (PMIC) component. This positive fixed output regulator delivers 150mA at 1.2V with a maximum dropout voltage of 0.9V. The device is actively produced and widely used in applications requiring stable low-voltage power delivery with minimal component count. Substitute parts are identified for design flexibility, inventory optimization, and supply chain continuity while maintaining electrical and mechanical compatibility.

Substiute Parts

AP7354D-12FS4-7

Diodes IncorporatedIn Stock: 965AP7354D-12FS4-7 Datasheet

Current PartRFQ

AP7351D-12FS4-7B

Diodes IncorporatedIn Stock: 1146AP7351D-12FS4-7B Datasheet

Parametric EquivalentRFQ

AP7354-12FS4-7

Diodes IncorporatedIn Stock: 874AP7354-12FS4-7 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AP7354D-12FS4-7 are identified based on strict electrical and mechanical parameter matching:

Critical Matching Parameters:

• Output voltage: 1.2V fixed
• Output current: 150mA
• Input voltage maximum: 5.5V
• Dropout voltage: 0.9V @ 150mA
• Package: 4-XDFN Exposed Pad (X2-DFN1010-4 Type B)
• Mounting: Surface Mount
• Operating temperature: -40°C ~ 85°C
• Control and protection features: Enable and Over Current

Identified Substitutes:

• AP7351D-12FS4-7B (Parametric Equivalent)
• AP7354-12FS4-7 (Parametric Equivalent)

All substitute parts maintain identical electrical specifications for output voltage, current, input voltage limits, dropout voltage, and thermal operating range. Package footprint and mounting type are identical, enabling direct PCB-level substitution without layout modification.

Parameter Comparison

Engineering Selection Recommendations

All three parts—AP7354D-12FS4-7, AP7351D-12FS4-7B, and AP7354-12FS4-7—are actively produced by Diodes Incorporated and carry ROHS3 compliance with MSL Level 1 rating. They share identical electrical performance for voltage regulation, current delivery, and thermal operating range.

Differentiation factors:

AP7354D-12FS4-7 and AP7354-12FS4-7 feature quiescent current of 0.6 µA, suitable for low-power standby applications. AP7351D-12FS4-7B specifies 1 µA quiescent current and includes PSRR specification of 60dB at 1kHz, providing documented noise rejection performance for noise-sensitive analog circuits.

Selection between these parts depends on application requirements for quiescent current performance and noise rejection characteristics. All parts are suitable for direct substitution in designs where the specified electrical parameters are met.

Frequently Asked Questions (FAQ)

Q: Can AP7351D-12FS4-7B replace AP7354D-12FS4-7 in existing designs?

A: Yes. Both parts deliver identical output voltage (1.2V), output current (150mA), input voltage limits (5.5V max), and dropout voltage (0.9V @ 150mA). Package footprint and mounting type are identical. The primary difference is quiescent current (1 µA vs. 0.6 µA) and documented PSRR specification on the AP7351D variant.

Q: What is the difference between AP7354D-12FS4-7 and AP7354-12FS4-7?

A: Both parts share the same base product number (AP7354) and deliver identical electrical specifications. The primary distinction is the supplier device package designation: AP7354D-12FS4-7 specifies X2-DFN1010-4 (Type B), while AP7354-12FS4-7 specifies X2-DFN1010-4 without Type B designation. Both are compatible with 4-XDFN Exposed Pad footprints.

Q: Are all substitute parts RoHS compliant?

A: Yes. AP7354D-12FS4-7, AP7351D-12FS4-7B, and AP7354-12FS4-7 are all ROHS3 compliant with MSL Level 1 rating (unlimited moisture sensitivity protection).

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. All three parts use identical 4-XDFN Exposed Pad surface mount packages with the same footprint and pin configuration, enabling direct PCB-level substitution without layout changes.

Q: Which part should I select for low-power applications?

A: AP7354D-12FS4-7 and AP7354-12FS4-7 are preferred for low-power standby scenarios due to 0.6 µA quiescent current. AP7351D-12FS4-7B operates at 1 µA quiescent current and is suitable when documented noise rejection (60dB PSRR at 1kHz) is required.