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. XC6221C2727R-G Substitution Conclusion
The XC6221C2727R-G can serve as a drop-in replacement for the original XC6501B2717R-G, with two notable differences: its quiescent current (Iq) is 50µA, which is 2.5 times higher than the original’s 20µA. This may slightly reduce battery life in continuous standby or low-power applications. However, its PSRR is improved to 70dB (compared to 50dB for the original), significantly enhancing power supply noise rejection, making it suitable for noise-sensitive circuits requiring higher power integrity. Both devices share the same package, output voltage, current capability, enable control, and overcurrent protection. Therefore, if the application can tolerate the slightly higher quiescent current, the substitution will provide superior noise suppression performance.
2. XC6221D2727R-G Substitution Conclusion
The substitution feasibility for the XC6221D2727R-G is identical to that of the C-version above, as both share the same specifications: a quiescent current of 50µA (higher than the original 20µA) and a PSRR of 70dB (improved over the original 50dB). The same trade-off applies—increased quiescent current versus enhanced noise rejection. The package, input/output voltage, output current, and protection features remain fully compatible with the original device. Thus, if the system is not highly sensitive to power consumption variation and prioritizes supply stability, this part can directly replace the original component.
Analysis ID: 1868-7B04000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com