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Best Alternatives to EA3036CQBR

Package: QFN 3x3-20Analog Technologies, Inc.PMIC - Voltage Regulators - DC DC Switching RegulatorsNumber of Outputs: 3Input Voltage Range: 2.7V to 5.5VOutput Current: 1A per channelSwitching Frequency: 1.5 MHzTopology: Buck (Step-Down)

EA3036CQBR is a 3-channel buck PMIC in QFN-20. Current candidates are redesign options, not direct replacements.

AI replacement insight

Electrical riskhigh

single buck vs three outputs

Package riskhigh

TSOT25/SOT packages vs QFN-20

Firmware risklow

no protocol shown

Sourcing riskmedium

catalog matched, PDF unchecked

Can it be replaced directly?

No pin-compatible replacement is supported by the provided evidence.

Best replacement path

Use AP3428KTTR-G1 or AP3429AKTTR-G1 only for a single-rail redesign.

Main risk

Rail count and package do not match.

Recommended alternatives

2
AP3428KTTR-G1 package
AP3428KTTR-G1

Diodes Incorporated

Needs validationhigh risk

AP3428 may replace one buck rail after redesign, not the full EA3036CQBR PMIC.

View details

Alternative comparison matrix

Feature / factorEA3036CQBRAP3428KTTR-G1AP3429AKTTR-G1Alt 3Compatibility / risk
Application3-channel buck PMICsingle buck1MHz bucksingle buck / 1MHz buck — one rail only; AP3429AKTTR-G1: magnetics change
PackageQFN 3x3-20TSOT25TSOT25TSOT25 — layout change; AP3429AKTTR-G1: layout change
Voltage2.7V to 5.5V2.5V to 5.5V2.7V to 5.5V2.5V to 5.5V / 2.7V to 5.5V — range covers; AP3429AKTTR-G1: same Vin
Current1A per channel1A2A1A / 2A — single output; AP3429AKTTR-G1: per device
Temperature-40C to 85C-40C to 85C--40C to 85C — same range

Application & sourcing insights

Questions & answers

No direct alternative is proven. AP3428KTTR-G1 or AP3429AKTTR-G1 may be used for single-rail redesigns.