AP7341D-11FS4-7 Equivalent & Substitute Parts

Part Overview

The AP7341D-11FS4-7 is a linear voltage regulator IC from Diodes Incorporated, classified as a Power Management (PMIC) component. This device delivers a fixed positive output of 1.1V at 300mA with a maximum dropout voltage of 0.65V at rated current. The part is in Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are necessary to address inventory constraints, regional availability, or specific application requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

AP7341D-11FS4-7

Diodes IncorporatedIn Stock: 30340AP7341D-11FS4-7 Datasheet

Current PartRFQ

AP7341-11FS4-7

Diodes IncorporatedIn Stock: 645AP7341-11FS4-7 Datasheet

Parametric EquivalentRFQ

AP7341D-11FS4-7

Diodes IncorporatedIn Stock: 30340AP7341D-11FS4-7 Datasheet

Parametric EquivalentRFQ

AP7343-11FS4-7B

Diodes IncorporatedIn Stock: 1121AP7343-11FS4-7B Datasheet

Parametric EquivalentRFQ

AP7343D-11FS4-7B

Diodes IncorporatedIn Stock: 10396AP7343D-11FS4-7B Datasheet

Parametric EquivalentRFQ

TLV70711PDQNR

Texas InstrumentsIn Stock: 3261TLV70711PDQNR Datasheet

MFR RecommendedRFQ

TLV70711PDQNT

Texas InstrumentsIn Stock: 3380TLV70711PDQNT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AP7341D-11FS4-7 are categorized based on strict electrical and mechanical parameter alignment:

Parametric Equivalents (Diodes Incorporated): Parts AP7341-11FS4-7, AP7343-11FS4-7B, and AP7343D-11FS4-7B maintain identical output voltage (1.1V), output current (300mA), input voltage maximum (5.25V), package type (4-XDFN Exposed Pad), mounting configuration (Surface Mount), and operating temperature range (-40°C ~ 85°C). These parts differ only in dropout voltage specifications (0.65V vs. 0.7V) and quiescent current (50µA vs. 60µA), which remain within acceptable tolerance for most applications.

Manufacturer Recommended Alternatives (Texas Instruments): Parts TLV70711PDQNR and TLV70711PDQNT are Texas Instruments equivalents with identical output voltage (1.1V) and fixed output configuration. These parts operate at reduced output current (200mA vs. 300mA) and feature enhanced protection (Over Current, Over Temperature, Short Circuit, Reverse Polarity). The package designation differs (4-X2SON vs. 4-XDFN), and the operating temperature range extends to 125°C. These are suitable only for applications requiring ≤200mA output current.

Parameter Comparison

Engineering Selection Recommendations

For Direct Pin-Compatible Substitution: Select AP7341-11FS4-7, AP7343-11FS4-7B, or AP7343D-11FS4-7B. All three maintain identical package geometry (4-XDFN Exposed Pad), mounting type (Surface Mount), output voltage (1.1V), and output current rating (300mA). These parts carry Active product status and ROHS3 compliance identical to the primary part. The AP7343 variants exhibit marginally higher dropout voltage (0.7V vs. 0.65V) and quiescent current (60µA vs. 50µA), which are acceptable for applications with adequate input voltage margin and non-critical power budget constraints.

For Current-Limited Applications: Select TLV70711PDQNR or TLV70711PDQNT only if the application requires maximum output current of 200mA or less. These Texas Instruments parts require PCB layout redesign due to package change (4-X2SON vs. 4-XDFN) and offer extended operating temperature range (-40°C ~ 125°C). Both variants maintain Active product status and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can AP7343-11FS4-7B replace AP7341D-11FS4-7 in existing designs?

A: Yes, for applications where the increased dropout voltage (0.7V vs. 0.65V) and quiescent current (60µA vs. 50µA) are acceptable. Both parts share identical package geometry, output voltage, output current rating, and operating temperature range. Verify that your input voltage provides sufficient margin above the 1.1V output plus the 0.7V dropout specification.

Q: What are the key differences between Diodes Incorporated and Texas Instruments substitutes?

A: Diodes Incorporated parts (AP7341, AP7343 series) maintain identical 300mA output current and 4-XDFN package. Texas Instruments parts (TLV70711 series) reduce output current to 200mA, change package to 4-X2SON, and extend operating temperature to 125°C. Texas Instruments parts also include additional protection features (Over Temperature, Short Circuit, Reverse Polarity).

Q: Are the AP7341 and AP7343 variants interchangeable?

A: Yes, with the noted parameter differences. Both deliver 1.1V at 300mA in identical 4-XDFN packages. The AP7343 variants specify 0.7V maximum dropout versus 0.65V for AP7341 variants, and 60µA quiescent current versus 50µA. Select based on your specific power budget and input voltage headroom requirements.

Q: Can TLV70711PDQNR be used if my application requires 300mA output?

A: No. The TLV70711 series is rated for maximum 200mA output current. Using this part in a 300mA application exceeds its specification and may result in thermal shutdown or device damage.

Q: Do all substitute parts require PCB layout changes?

A: Diodes Incorporated substitutes (AP7341-11FS4-7, AP7343-11FS4-7B, AP7343D-11FS4-7B) use identical 4-XDFN package and require no layout modification. Texas Instruments substitutes (TLV70711PDQNR, TLV70711PDQNT) use 4-X2SON package and require PCB redesign.

Q: What is the significance of the "D" designation in AP7341D-11FS4-7?

A: The "D" suffix indicates a specific manufacturing variant within the Diodes Incorporated product line. The non-"D" variant AP7341-11FS4-7 is electrically and mechanically equivalent and interchangeable.