ProjectsPricingInsights

Best Alternatives to AMS1117-ADJ

Package: SOT-223advanced-monolithic-systemsPower Management (PMIC)Output Current: 800mADropout Voltage: 1.3V@(800mA)Output Voltage: 1.25V~11.75VMaximum Input Voltage: 15VOutput Type: Adjustable

AMS1117-ADJ is an adjustable 1A SOT-223 LDO. Fixed 3.3V parts are only functional candidates after circuit review.

AI replacement insight

Electrical riskhigh

fixed vs adjustable output

Package riskmedium

SOT-223 matches, pinout not checked

Firmware risklow

analog regulator

Sourcing riskmedium

some lifecycle fields weak

Can it be replaced directly?

No direct pin-compatible replacement is confirmed from these candidates.

Best replacement path

Prefer another adjustable 1A SOT-223 LDO with verified ADJ pinout.

Main risk

Fixed-output candidates change the ADJ pin function.

Recommended alternatives

3

Alternative comparison matrix

Feature / factorAMS1117-ADJNCP1117ST33T3GA1117-3.3BL8072CLTR33Compatibility / risk
PackageSOT-223SOT-223--SOT-223 — same package name
PinoutADJ pinGND/fixed pin--fixed type — pinout unverified
Voltageadjustable20V max in--3.3V fixed — only fits 3.3V use
Current1A1A--1A — rated same
Temperature-40 to 125C--40 to 125C--40 to 125C — from evidence

Application & sourcing insights

Questions & answers

The best path is another adjustable 1A SOT-223 LDO with verified ADJ pinout; fixed 3.3V parts need review.