TPS76633DR
Texas Instruments
Needs validationhigh risk
A potential alternative in the same package with the same voltage, but with lower current and a different reset-like function.
Best Alternatives to TPS7333QDR
The TPS7333QDR is an obsolete 3.3V, 500mA LDO regulator in a SOIC-8 package, notable for its integrated delayed reset function. Finding a direct drop-in replacement is challenging due to this specific feature.
AI replacement insight
Electrical riskhigh
Current ratings and reset function behavior vary significantly.
Package risklow
Several candidates match the SOIC-8 package.
Sourcing risklow
Target is obsolete, but many alternative LDOs are available.
Can it be replaced directly?
Direct replacement for TPS7333QDR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Find a modern LDO with a 'Power Good' or supervisory signal and verify its compatibility with the system's reset requirements. The TPS76633DR is a starting point but has lower current.
Main risk
The primary risk is functional incompatibility due to the missing or different 'Delayed Reset' feature, which can affect system startup and supervision.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | TPS7333QDR | TPS76633DR | GM12041ARDZ-R7 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 — Package matches target.; GM12041ARDZ-R7: Package matches, enabling form-fit evaluation. | |
| Voltage | 3.3V | 3.3V | Adjustable | 3.3V / Adjustable — Output voltage matches.; GM12041ARDZ-R7: Requires external resistors to set 3.3V output. | |
| Current | 500mA | 250mA | 1.5A | 250mA / 1.5A — Output current is 50% lower than target.; GM12041ARDZ-R7: Higher current capability provides more margin. | |
| Application | Integrated Delayed Reset | Power Good | None | Power Good / None — Power Good signal may not match target's delayed reset timing.; GM12041ARDZ-R7: Lacks the target's integrated delayed reset function. |
Application & sourcing insights
Questions & answers
Verified drop-in options for TPS7333QDR 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.