Best Alternatives to SSP7615-33DFR

Package: DFN1x1-4SiproinPMIC - Voltage Regulators - LinearOutput Voltage: 3.3 VOutput Type: FixedMax Output Current: 400 mAInput Voltage Range: 1.5 V to 8 VDropout Voltage: 200 mV @ 100 mA

SSP7615-33DFR is a 3.3V, 400mA LDO in a compact DFN1x1-4 package. While no exact drop-in replacement is confirmed, several functional and form-fit alternatives with parametric differences are available for engineering consideration.

AI replacement insight

Package riskhigh

Most alternatives are in different packages, requiring a PCB redesign.

Electrical riskmedium

Form-fit options may have lower current or a narrower input voltage range.

Can it be replaced directly?

Direct replacement for SSP7615-33DFR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

ETA5071V330DF1E offers the same package and pin count, but requires careful review of its lower output current and narrower input voltage range.

Main risk

The primary risks are package mismatches for functional alternatives and reduced electrical ratings (current, voltage) for form-fit candidates.

Recommended alternatives

2
AMS1117-3.3S package
Needs validationhigh risk

Functional alternative with different package (SOT-223) and higher dropout voltage, requiring redesign.

View details

Alternative comparison matrix

Feature / factorSSP7615-33DFRETA5071V330DF1EAMS1117-3.3SSK6019AD4-33Compatibility / risk
PackageDFN1x1-4DFN1x1-4SOT-223DFN1x1-4LDFN1x1-4 / SOT-223 / DFN1x1-4L — Package matches target.; AMS1117-3.3S: Different package requires board redesign.; SK6019AD4-33: Package is very similar, likely compatible.
Current400mA300mA800mA750mA300mA / 800mA / 750mA — Lower output current, requires application review.; AMS1117-3.3S: Higher output current is an upgrade.; SK6019AD4-33: Higher output current is an upgrade.
Voltage1.5V to 8V1.8V to 6.5V15V2.5V to 6.5V1.8V to 6.5V / 15V / 2.5V to 6.5V — Narrower input voltage range.; AMS1117-3.3S: Higher max input voltage.; SK6019AD4-33: Narrower input voltage range.
Dropout200mV @ 100mA120mV @ 100mA1.3V @ 800mA-120mV @ 100mA / 1.3V @ 800mA — Lower dropout voltage is an improvement.; AMS1117-3.3S: Significantly higher dropout voltage.

Application & sourcing insights

Questions & answers

Verified drop-in options for SSP7615-33DFR are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.