TPAP2112K-3.3TRG1
TECH PUBLIC
Needs validationmedium risk
Promising alternate with compatible low-side Vin, but higher IQ and other parametric differences.
Best Alternatives to TPS7A0333DBVR
Finding a replacement for the TPS7A0333DBVR requires careful evaluation, as its key feature is an ultra-low 200nA quiescent current. While alternatives in the same SOT-23-5 package exist, they present significant trade-offs in quiescent current, input voltage range, and other parameters that must be reviewed for your specific application.
AI replacement insight
Electrical riskhigh
Quiescent current is 10x to 200x higher. Most candidates have a higher minimum input voltage.
Package riskmedium
All candidates share the SOT-23-5 package, but pinout must be verified for cross-vendor parts.
Sourcing risklow
Candidates are available from multiple manufacturers, offering supply chain diversity.
Can it be replaced directly?
No direct, drop-in replacement for TPS7A0333DBVR is available among the candidates due to significant differences in quiescent current (IQ) and input voltage ranges. Careful review is required.
Best replacement path
Evaluate TPAP2112K-3.3TRG1 if your application requires an input voltage below 2V. For other cases, TPS7A2433DBVR from the same manufacturer is an option if a 2.4V minimum input is acceptable. All options have much higher quiescent current.
Main risk
The primary risk is the significantly higher quiescent current (IQ) of all candidates, which makes them unsuitable for applications where the target's ultra-low 200nA IQ is critical for battery life.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | TPS7A0333DBVR | TPAP2112K-3.3TRG1 | TPS7A2433DBVR | TPMIC5219-3.3YM5 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT-23-5 | SOT23-5 | SOT-23-5 | SOT-23-5 | SOT23-5 / SOT-23-5 — Same package, pinout requires verification.; TPS7A2433DBVR: Same package and pin count, but pinout requires verification.; TPMIC5219-3.3YM5: Same package, pinout requires verification.; TPCAT6219-330TDGT3: Same package, pinout requires verification. |
| Current | 200nA | 10µA | 2.0µA | 1.5µA | 10µA / 2.0µA / 1.5µA — Quiescent current is 50x higher.; TPS7A2433DBVR: Quiescent current is 10x higher, not suitable for ultra-low power designs.; TPMIC5219-3.3YM5: Quiescent current is ~7.5x higher.; TPCAT6219-330TDGT3: Quiescent current is 50x higher. |
| Voltage | 1.5V to 6.0V | 1.2V to 5.5V | 2.4V to 18V | 2V to 20V | 1.2V to 5.5V / 2.4V to 18V / 2V to 20V / 2.3V to 5.5V — Wider min input voltage, but narrower max.; TPS7A2433DBVR: Higher minimum input voltage (2.4V vs 1.5V).; TPMIC5219-3.3YM5: Higher min input voltage (2.0V vs 1.5V).; TPCAT6219-330TDGT3: Narrower input voltage range on both ends. |
| Temperature | -40°C to 125°C | -40°C to 85°C | - | -40°C to 85°C | -40°C to 85°C / -40°C to 150°C — Reduced max operating temperature.; TPMIC5219-3.3YM5: Reduced max operating temperature.; TPCAT6219-330TDGT3: Wider operating temperature range. |
Application & sourcing insights
Questions & answers
The best alternative depends on your application's critical parameters. If a low minimum input voltage (around 1.5V) is essential, TPAP2112K-3.3TRG1 is the most promising candidate. However, all reviewed alternatives have a significantly higher quiescent current than the TPS7A0333DBVR.