Best Alternatives to NCP115ASN330T2G

Package: SOT-23-5 Thin, TSOT-23-5onsemiVoltage Regulators - LinearPackage: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Voltage - Input (Max): 5.5VVoltage - Output (Min/Fixed): 3.3VVoltage Dropout (Max): 0.28V @ 300mACurrent - Output: 300mA

Finding a substitute for the onsemi NCP115ASN330T2G 3.3V LDO involves checking key parameters like input voltage range, dropout voltage, and package compatibility. Several functional alternatives exist but may require design review.

AI replacement insight

Package riskmedium

TSOP-5 and SOT-23-5 are different packages that may or may not share a pinout.

Electrical riskmedium

Several candidates have higher minimum input voltage or worse dropout, requiring application-specific review.

Sourcing risklow

Many functional alternatives are available from various manufacturers.

Can it be replaced directly?

Direct replacement for NCP115ASN330T2G 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 NCP115ASN330T2G, then review parametric alternatives for package and electrical fit.

Main risk

The main risks are package incompatibility (TSOP-5 vs. SOT-23-5/SOT353) and mismatches in minimum input voltage or dropout voltage, which can affect circuit performance under all operating conditions.

Recommended alternatives

5
TPCAT6219-330TDGT3 package
Needs validationmedium risk

A strong parametric upgrade, but its higher minimum input voltage (2.3V) must be verified.

View details

Alternative comparison matrix

Feature / factorNCP115ASN330T2GTPCAT6219-330TDGT3HE2210M533RTPMIC5219-3.3YM5Compatibility / risk
PackageTSOP-5SOT23-5SOT-23-5SOT-23-5SOT23-5 / SOT-23-5 — Requires layout and pinout verification.; HE2210M533R: Requires layout and pinout verification.; TPMIC5219-3.3YM5: Requires layout and pinout verification.; GR6220B331MR-G: Requires layout and pinout verification.
Voltage1.7V2.3VUnknown Min, 50V Max2.0V2.3V / Unknown Min, 50V Max / 2.0V — Minimum input voltage is higher than target.; HE2210M533R: Max input voltage is much higher, but min input voltage is unknown and must be checked.; TPMIC5219-3.3YM5: Minimum input voltage is higher than target.
Current300 mA500 mA400 mA500 mA500 mA / 400 mA / 300 mA — Higher output current capability.; HE2210M533R: Higher output current capability.; TPMIC5219-3.3YM5: Higher output current capability.; GR6220B331MR-G: Output current matches target.
Dropout Voltage235 mV @ 300 mA85 mV @ 100mA350 mV @ 100 mA420 mV @ 100 mA85 mV @ 100mA / 350 mV @ 100 mA / 420 mV @ 100 mA / Unknown — Significantly better dropout performance.; HE2210M533R: Dropout is likely worse than target at 300mA.; TPMIC5219-3.3YM5: Significantly worse dropout performance.; GR6220B331MR-G: Dropout voltage is not specified.
Temperature-40°C to 85°C-40°C to 150°C---40°C to 150°C / Unknown — Wider operating temperature range.; GR6220B331MR-G: Operating temperature range is not specified.
Quiescent Current50 µA-2 µA-2 µA — Significantly lower quiescent current.

Application & sourcing insights

Questions & answers

Verified drop-in options for NCP115ASN330T2G 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.