AP7341-11FS4-7 Equivalent & Substitute Parts

Part Overview

The AP7341-11FS4-7 is a linear voltage regulator IC manufactured by Diodes Incorporated, designed for positive fixed 1.1V output applications with 300mA current capacity. This Active product operates in the -40°C to 85°C temperature range and is packaged in a 4-XDFN Exposed Pad surface mount configuration. Substitute parts are necessary when the primary part experiences supply constraints, inventory limitations, or when design flexibility requires alternative manufacturers while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	AP7341-11FS4-7
Manufacturer	Diodes Incorporated
Category	Power Management (PMIC)
Output Voltage (Fixed)	1.1V
Output Current	300mA
Input Voltage (Max)	5.25V
Voltage Dropout (Max)	0.65V @ 300mA
Quiescent Current	50 µA
Package / Case	4-XDFN Exposed Pad
Operating Temperature	-40°C ~ 85°C
Product Status	Active
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the AP7341-11FS4-7 are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents (Diodes Incorporated): AP7341D-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), and operating temperature range (-40°C ~ 85°C). These parts differ only in voltage dropout specifications and quiescent current, which remain within acceptable operational margins for most applications.

Manufacturer Recommended Alternatives (Texas Instruments): TLV70711PDQNR and TLV70711PDQNT are cross-manufacturer alternatives that maintain the same output voltage (1.1V) and package classification (4-XDFN Exposed Pad). These parts operate at reduced output current (200mA versus 300mA) and feature an extended operating temperature range (-40°C ~ 125°C). Selection of these alternatives requires verification that application current requirements do not exceed 200mA.

Parameter Comparison

Parameter	AP7341-11FS4-7	AP7341D-11FS4-7	AP7343-11FS4-7B	AP7343D-11FS4-7B	TLV70711PDQNR	TLV70711PDQNT
Manufacturer	Diodes Inc.	Diodes Inc.	Diodes Inc.	Diodes Inc.	Texas Instruments	Texas Instruments
Output Voltage	1.1V	1.1V	1.1V	1.1V	1.1V	1.1V
Output Current	300mA	300mA	300mA	300mA	200mA	200mA
Input Voltage (Max)	5.25V	5.25V	5.25V	5.25V	5.5V	5.5V
Voltage Dropout (Max)	0.65V @ 300mA	0.65V @ 300mA	0.7V @ 300mA	0.7V @ 300mA	0.36V @ 150mA	0.36V @ 150mA
Quiescent Current	50 µA	50 µA	60 µA	60 µA	50 µA	50 µA
PSRR	75dB (1kHz)	75dB (1kHz)	75dB (1kHz)	75dB (1kHz)	70dB ~ 50dB (100Hz ~ 1MHz)	70dB ~ 50dB (100Hz ~ 1MHz)
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	4-XDFN Exposed Pad	4-XDFN Exposed Pad	4-XDFN Exposed Pad	4-XDFN Exposed Pad	4-XDFN Exposed Pad	4-XDFN Exposed Pad
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring continued availability and regulatory alignment with the original AP7341-11FS4-7 specification.

For applications requiring the full 300mA output current specification, select from the Diodes Incorporated parametric equivalents: AP7341D-11FS4-7, AP7343-11FS4-7B, or AP7343D-11FS4-7B. These parts provide direct electrical and mechanical compatibility within the specified operating temperature range of -40°C to 85°C.

For applications with output current requirements not exceeding 200mA, the Texas Instruments TLV70711PDQNR and TLV70711PDQNT alternatives offer extended operating temperature capability (-40°C ~ 125°C) and improved voltage dropout performance (0.36V @ 150mA). These parts require design verification to confirm current demand compatibility.

Frequently Asked Questions (FAQ)

Q: Can AP7343-11FS4-7B be used as a direct replacement for AP7341-11FS4-7?

A: Yes. Both parts share identical output voltage (1.1V), output current (300mA), input voltage maximum (5.25V), package type (4-XDFN Exposed Pad), and operating temperature range (-40°C ~ 85°C). The voltage dropout increases from 0.65V to 0.7V and quiescent current increases from 50 µA to 60 µA, which are acceptable variations for most applications.

Q: What is the key limitation when using TLV70711PDQNR or TLV70711PDQNT?

A: The output current rating is reduced to 200mA compared to the original 300mA specification. These parts are suitable only for applications where the maximum required output current does not exceed 200mA.

Q: Are all substitute parts available in the same package?

A: Yes. All substitute parts use the 4-XDFN Exposed Pad package configuration, ensuring mechanical and thermal compatibility with the original AP7341-11FS4-7 design.

Q: Do the Texas Instruments alternatives require PCB layout modifications?

A: No. The 4-XDFN Exposed Pad package is identical across all listed parts. PCB layout remains unchanged; however, thermal performance may differ due to manufacturer-specific die design and thermal characteristics.

Q: Which substitute part offers the best voltage dropout performance?

A: The Texas Instruments TLV70711PDQNR and TLV70711PDQNT offer the lowest voltage dropout at 0.36V @ 150mA, compared to 0.65V @ 300mA for the AP7341-11FS4-7. This advantage applies only within the 200mA current range of these parts.

Q: Are all parts RoHS compliant?

A: Yes. All listed parts maintain ROHS3 compliance status, meeting environmental and regulatory requirements equivalent to the original AP7341-11FS4-7.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message