AP7340-285FS4-7 Equivalent & Substitute Parts

Part Overview

The AP7340-285FS4-7 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 2.85V output and is classified as Active product status. The part is packaged in a 4-XDFN Exposed Pad configuration suitable for compact circuit designs requiring regulated power delivery in space-constrained applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	AP7340-285FS4-7
Manufacturer	Diodes Incorporated
Category	Power Management (PMIC)
Output Voltage (Fixed)	2.85V
Output Current	150mA
Input Voltage (Max)	5.25V
Voltage Dropout (Max)	0.27V @ 150mA
Package / Case	4-XDFN Exposed Pad
Operating Temperature Range	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution for the AP7340-285FS4-7 is determined by strict equivalence across the following critical parameters:

Output voltage specification (2.85V fixed)
Output current capability (150mA)
Maximum input voltage rating (5.25V)
Voltage dropout characteristics (0.27V @ 150mA)
Package type (4-XDFN Exposed Pad)
Operating temperature range (-40°C ~ 85°C)
Regulatory compliance (ROHS3 Compliant)

Only parts meeting all these specifications qualify as parametric equivalents. The AP7340D-285FS4-7 satisfies these criteria and is classified as a direct parametric equivalent.

Parameter Comparison

Parameter	AP7340-285FS4-7	AP7340D-285FS4-7
Manufacturer	Diodes Incorporated	Diodes Incorporated
Output Voltage (Fixed)	2.85V	2.85V
Output Current	150mA	150mA
Input Voltage (Max)	5.25V	5.25V
Voltage Dropout (Max)	0.27V @ 150mA	0.27V @ 150mA
Quiescent Current (Iq)	50 µA	50 µA
PSRR	75dB (1kHz)	75dB (1kHz)
Package / Case	4-XDFN Exposed Pad	4-XDFN Exposed Pad
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active

Engineering Selection Recommendations

Both the AP7340-285FS4-7 and AP7340D-285FS4-7 are Active status products manufactured by Diodes Incorporated with identical electrical and mechanical specifications. Both parts are ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements for electronic component procurement. Selection between these parts may be based on inventory availability and supply chain considerations, as they are parametrically equivalent for all application requirements.

Frequently Asked Questions (FAQ)

Q: Can AP7340D-285FS4-7 be used as a direct replacement for AP7340-285FS4-7?

A: Yes. The AP7340D-285FS4-7 is a parametric equivalent with identical output voltage, current rating, input voltage range, dropout voltage, package type, and operating temperature specifications. No circuit modifications are required.

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

A: No. Both parts use the 4-XDFN Exposed Pad package with identical pinout and mechanical dimensions. PCB layout compatibility is maintained.

Q: What determines if a part can substitute for the AP7340-285FS4-7?

A: Substitution requires matching all critical parameters: 2.85V fixed output voltage, 150mA output current, 5.25V maximum input voltage, 0.27V dropout voltage at 150mA, 4-XDFN Exposed Pad package, and -40°C to 85°C operating temperature range.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both the AP7340-285FS4-7 and AP7340D-285FS4-7 are ROHS3 Compliant and REACH Unaffected, meeting current regulatory standards for electronic components.

Q: What is the difference between the part numbers AP7340-285FS4-7 and AP7340D-285FS4-7?

A: The designation difference reflects internal Diodes Incorporated product line variations. Both parts are electrically and mechanically identical with no functional differences in application performance.

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