Is there a pin-compatible replacement for SSP7603P36M5R?

Yes, parts like SSP7603P33M5R and TPMIC5219-3.3YM5 are pin-compatible in the SOT23-5 package. However, they have a 3.3V output and are not drop-in replacements.

What risks should I check before replacing SSP7603P36M5R?

The main risk is the lower output voltage (3.3V vs 3.6V) of available alternatives. You must verify if your downstream components can operate correctly at the lower voltage. Also check dynamic performance like PSRR.

SSP7603P36M5R Alternatives, Datasheet & Cross Reference | Siproin

SSP7603P36M5R is a 3.6V, 500mA low-power LDO in a SOT23-5 package. Finding a replacement requires matching the 3.6V output, 15V input voltage, and pinout, with the output voltage being the most critical parameter to validate.

AI replacement insight

Electrical riskhigh

Output voltage differs, which can impact downstream component operation.

Package risklow

Pin-compatible SOT23-5 packages are available.

Sourcing riskmedium

3.6V LDOs can be less common than standard 3.3V versions.

Can it be replaced directly?

No direct, drop-in replacement with a 3.6V output was found. Alternatives like SSP7603P33M5R have a 3.3V output and require engineering review.

Best replacement path

The best path is finding another LDO with a 3.6V output. If not available, SSP7603P33M5R from the same family offers identical specs except for a 3.3V output, which requires circuit validation.

Main risk

The primary risk is the output voltage mismatch; using a 3.3V part in a 3.6V circuit may cause malfunction or performance degradation.

Recommended alternatives

A parametric alternative in the same product family and package, but with a 3.3V output instead of 3.6V.

View details

Alternative comparison matrix

Feature / factor	SSP7603P36M5R	SSP7603P33M5R	TPMIC5219-3.3YM5	Compatibility / risk
Package	SOT23-5	SOT23-5	SOT-23-5	SOT23-5 / SOT-23-5 — Package matches.; TPMIC5219-3.3YM5: Package matches.
Pinout	Pinout matches candidate family	Pinout matches target family	Pinout matches	Pinout matches target family — Same product family, pinout verified from datasheet.; TPMIC5219-3.3YM5: Pinout verified from datasheet.
Voltage	15V	15V	20V	15V / 20V — Maximum input voltage matches.; TPMIC5219-3.3YM5: Maximum input voltage is higher, providing more margin.
Current	500mA	500mA	500mA	500mA — Output current matches.; TPMIC5219-3.3YM5: Output current matches.

Application & sourcing insights

Questions & answers

SSP7603P33M5R is a strong parametric alternative from the same product family, matching all key specs except for a 3.3V output voltage instead of 3.6V. This change requires engineering validation.