What risks should I check before replacing TPS76133DBVR?

Before replacing, you must check the maximum input voltage of your circuit. Several alternatives have a lower rating than the original's 16V. Also, verify dynamic characteristics like quiescent current (Iq), dropout voltage, and power-supply rejection ratio (PSRR) to ensure they meet your application's needs.

TPS76133DBVR Alternatives, Datasheet & Cross Reference | Texas Instruments

The TPS76133DBVR is a 3.3V, 100mA LDO regulator in a SOT-23-5 package. Several pin-compatible alternatives from Texas Instruments are available, offering different performance trade-offs.

AI replacement insight

Electrical riskmedium

Some alternatives have lower max input voltage. All have different dynamic performance (Iq, PSRR).

Package risklow

All reviewed TI candidates share the same SOT-23-5 package and pinout.

Can it be replaced directly?

Direct replacement for TPS76133DBVR 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 TPS76133DBVR, then review parametric alternatives for package and electrical fit.

Main risk

The primary risk is electrical parameter mismatch, especially the maximum input voltage, which is lower on several potential alternatives.

Recommended alternatives

A pin-compatible upgrade with higher output current (200mA) and a wider input voltage range.

View details

Alternative comparison matrix

Feature / factor	TPS76133DBVR	TPS7A2433DBVR	TPS76333DBVR	TPS76933DBVR	Compatibility / risk
Package	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5 — Package is physically identical.; TPS76333DBVR: Package is physically identical.; TPS76933DBVR: Package is physically identical.
Pinout	Standard TI SOT-23-5 LDO	Verified Same	Verified Same	Verified Same	Verified Same — Pin functions (IN, GND, EN, NR, OUT) match across datasheets.; TPS76333DBVR: Pin functions match the target.; TPS76933DBVR: Pin functions match the target.
Voltage	3.68V to 16V	2.4V to 18V	10V	10V	2.4V to 18V / 10V — Wider input voltage range offers more design flexibility.; TPS76333DBVR: Maximum input voltage is lower than target's 16V.; TPS76933DBVR: Maximum input voltage is lower than target's 16V.
Current	100mA	200mA	150mA	100mA	200mA / 150mA / 100mA — Higher output current capability provides more margin.; TPS76333DBVR: Higher output current capability.; TPS76933DBVR: Output current matches.

Application & sourcing insights

Questions & answers

Verified drop-in options for TPS76133DBVR 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.