A8498SLJTR-T
Allegro MicroSystems
Needs validationhigh risk
A8498SLJTR-T is only a buck redesign option and has missing pin-count data.
Best Alternatives to MC34063ADR
MC34063ADR is an 8-SOIC buck, boost and inverting switching regulator. Listed substitutes need FAE review before use.
AI replacement insight
Electrical riskmedium
Check Vin, switch current, frequency and feedback network.
Package riskhigh
EP packages are not the same as plain 8-SOIC.
Firmware risklow
No firmware interface is indicated.
Sourcing riskmedium
Closest match is obsolete.
Can it be replaced directly?
No pin-compatible replacement is proven from the provided evidence.
Best replacement path
MC33063AD is the closest listed match, but it is obsolete and needs pinout verification.
Main risk
Pinout and DC-DC external-network compatibility are not verified.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | MC34063ADR | MC33063AD | A4447SLJTR-T | A8498SLJTR-T | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC-EP | 8-SOIC EP | 8-SOIC / 8-SOIC-EP / 8-SOIC EP — same package text; A4447SLJTR-T: exposed pad; A8498SLJTR-T: EP package |
| Pinout | 8 pins | 8 pins | - | missing | 8 pins / missing — pin functions absent; A8498SLJTR-T: pin count absent |
| Voltage | 3-40 V | 3-40 V | 8-50 V | 8-50 V | 3-40 V / 8-50 V — input range matches; A4447SLJTR-T: low Vin not covered; A8498SLJTR-T: low Vin not covered |
| Current | 1.5 A peak | 1.5 A peak | 2 A | 3 A | 1.5 A peak / 2 A / 3 A — same peak switch; A4447SLJTR-T: higher output rating; A8498SLJTR-T: higher current |
| Lifecycle | Active | Obsolete | - | - | Obsolete — sourcing risk |
| Application | Buck/boost/invert | - | Buck | Buck | Buck — buck only; A8498SLJTR-T: buck only |
| Temperature | 0 to 70 C | - | -20 to 85 C | - | -20 to 85 C — wider listed range |
Application & sourcing insights
Questions & answers
MC33063AD is the closest listed electrical match, but it is obsolete and still needs pinout review.