AP7354D-185FS4-7 Equivalent & Substitute Parts

Part Overview

The AP7354D-185FS4-7 is a linear voltage regulator IC from Diodes Incorporated designed for positive fixed output applications. This Surface Mount device delivers 150mA output current with a fixed 1.85V output and operates across the industrial temperature range of -40°C to 85°C. The part is currently Active in product status with 650 pieces available in new original inventory. Linear regulators of this specification are essential in applications requiring stable, low-noise voltage regulation for sensitive analog circuits, microcontroller power supplies, and sensor interfaces. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and procurement optimization.

Substiute Parts

AP7354D-185FS4-7

Diodes IncorporatedIn Stock: 702AP7354D-185FS4-7 Datasheet

Current PartRFQ

AP7354-185FS4-7

Diodes IncorporatedIn Stock: 3490AP7354-185FS4-7 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AP7354D-185FS4-7 are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

• Output voltage configuration: Positive, Fixed 1.85V output
• Output current capability: 150mA minimum
• Input voltage rating: 5.5V maximum
• Voltage dropout specification: 0.58V @ 150mA
• Quiescent current: 0.6 µA
• Package type: 4-XDFN Exposed Pad (X2-DFN1010-4)
• Mounting configuration: Surface Mount
• Operating temperature range: -40°C ~ 85°C
• Control features: Enable function
• Protection: Over Current protection
• Compliance: ROHS3 Compliant, REACH Unaffected

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

Both the AP7354D-185FS4-7 and AP7354-185FS4-7 are Active products from Diodes Incorporated with identical electrical specifications and package configurations. Selection between these parts may be based on inventory availability: AP7354D-185FS4-7 has 650 pieces in stock, while AP7354-185FS4-7 has 3415 pieces available. Both parts maintain ROHS3 compliance and REACH Unaffected status, meeting regulatory requirements for industrial and commercial applications. The identical parameter set ensures direct functional interchangeability in circuit designs without modification to PCB layouts or schematic connections.

Frequently Asked Questions (FAQ)

Q: Are AP7354D-185FS4-7 and AP7354-185FS4-7 fully interchangeable?

A: Yes. Both parts share identical electrical specifications including 1.85V fixed output, 150mA current capability, 0.58V dropout voltage, and 4-XDFN package configuration. They are direct substitutes with no design modifications required.

Q: What determines if a part can substitute for the AP7354D-185FS4-7?

A: Substitute parts must match all key parameters: 1.85V fixed output voltage, 150mA output current, 5.5V maximum input voltage, 0.58V dropout specification, 0.6 µA quiescent current, 4-XDFN Exposed Pad package, Surface Mount configuration, -40°C to 85°C operating range, Enable control feature, and Over Current protection.

Q: Can I use a different output voltage regulator as a substitute?

A: No. The output voltage is a fixed specification at 1.85V. Regulators with different output voltages are not substitutes and would require circuit redesign.

Q: Are there package compatibility considerations?

A: Both substitute parts use the 4-XDFN Exposed Pad package (X2-DFN1010-4). PCB footprints and thermal management designs are identical, ensuring direct board-level compatibility.

Q: Do both parts meet the same compliance standards?

A: Yes. Both AP7354D-185FS4-7 and AP7354-185FS4-7 are ROHS3 Compliant and REACH Unaffected, meeting identical regulatory requirements.

Q: What is the difference between AP7354D-185FS4-7 and AP7354-185FS4-7?

A: The parts are electrically and mechanically identical. The difference is in the manufacturer's internal designation (the "D" in the part number). Both are Active products from Diodes Incorporated with the same specifications and performance characteristics.