What risks should I check before replacing TPS76333DBVR?

Before replacing TPS76333DBVR, you must check three main risks: 1) The input voltage range, as many alternatives have a lower maximum voltage. 2) The pinout, especially for parts from different manufacturers. 3) The dropout voltage, as a higher value could cause regulation issues if your input supply is close to 3.3V.

TPS76333DBVR Alternatives, Datasheet & Cross Reference | Texas Instruments

Finding a substitute for the TPS76333DBVR, a popular 3.3V 150mA LDO, involves matching the SOT-23-5 package while carefully navigating critical electrical parameters like input voltage range and pinout compatibility.

AI replacement insight

Electrical riskhigh

Many alternatives have a lower max input voltage. Dropout voltage and quiescent current can also differ.

Package riskmedium

While the package is SOT-23-5, pinouts for cross-vendor parts are not guaranteed and must be verified.

Sourcing risklow

Multiple alternatives are available from various manufacturers, providing sourcing flexibility.

Can it be replaced directly?

Direct replacement for TPS76333DBVR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Start with Datasheet verified or Strong match candidates for TPS76333DBVR, then review parametric alternatives for package and electrical fit.

Main risk

The primary risk when replacing TPS76333DBVR is selecting a substitute with an insufficient maximum input voltage, as several alternatives are limited to 5.5V or 6V, compared to the original's 10V rating.

Recommended alternatives

A likely pin-compatible upgrade from the same manufacturer with higher current and wider input voltage.

View details

Alternative comparison matrix

Feature / factor	TPS76333DBVR	TPS7A2433DBVR	TPS7A0333DBVR	TPL740F33-5TR	Compatibility / risk
Package	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5 — Same package and pin count.; TPS7A0333DBVR: Same package and pin count.; TPL740F33-5TR: Same package type, pinout requires verification.
Voltage	2.7V to 10V	2.4V to 18V	1.5V to 6.0V	2.4V to 5.5V	2.4V to 18V / 1.5V to 6.0V / 2.4V to 5.5V — Wider input voltage range.; TPS7A0333DBVR: Maximum input voltage is much lower (6V vs 10V).; TPL740F33-5TR: Maximum input voltage is much lower (5.5V vs 10V).
Current	150mA	200mA	200mA	500mA	200mA / 500mA — Higher output current capability.; TPS7A0333DBVR: Higher output current capability.; TPL740F33-5TR: Higher output current capability.
Quiescent Current	140µA	2.0µA	200nA	-	2.0µA / 200nA — Significantly lower quiescent current.; TPS7A0333DBVR: Extremely low quiescent current.
Temperature	-40°C to 125°C	-40°C to +125°C	-	-	-40°C to +125°C — Matching operating temperature range.

Application & sourcing insights

Questions & answers

Verified drop-in options for TPS76333DBVR 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.