Original Part
Linear Voltage Regulator IC Positive Fixed 1 Output 200mA 4-USPN (0.90x1.2)
Alternative Part
Linear Voltage Regulator IC Positive Fixed 1 Output 200mA 4-USPN (0.90x1.2)
Linear Voltage Regulator IC Positive Fixed 1 Output 200mA 4-USPN (0.90x1.2)
1. XC6501A25A7R-G Substitution Conclusion
From the perspective of core functionality and package, the XC6501A25A7R-G can serve as a direct replacement. However, attention must be paid to its key performance degradations: its quiescent current is 19µA, which is 2.4 times higher than the original part (8µA), leading to significantly increased power consumption in battery-powered standby applications. Furthermore, its power supply rejection ratio (PSRR) is only 50dB, a substantial 20dB drop from the original part's 70dB. This results in poorer rejection of input supply ripple and noise, potentially affecting the performance of downstream sensitive circuits. While it can be substituted in applications with less stringent power consumption and supply purity requirements, it is not recommended for low-power or high-precision analog supply scenarios.
2. XC6501B25A7R-G Substitution Conclusion
The substitution conclusion for the XC6501B25A7R-G is identical to that of the A-version, as the provided parameters indicate their performance specifications are completely aligned. It similarly exhibits significant degradation in two key parameters: quiescent current (19µA vs. 8µA) and power supply rejection ratio (50dB vs. 70dB). Substitution will result in higher standby power consumption and inferior noise rejection capability. Its feasibility as a replacement depends entirely on the application's sensitivity to these two specifications. It can be considered a direct drop-in replacement in scenarios without strict low-power or low-noise requirements; otherwise, it is not advised.
Analysis ID: 392A-7625000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com