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. XC6221C25A7R-G Substitution Conclusion
From the perspective of key electrical parameters, functionality, and package, the XC6221C25A7R-G can serve as a drop-in replacement for the original part. It maintains identical specifications for output voltage (2.55V), output current (200mA), maximum input voltage (6V), dropout voltage, PSRR, enable control, and overcurrent protection, with a fully compatible package footprint. The primary deviation lies in the quiescent current (Iq). The original part specifies 8 µA, whereas this variant has a typical Iq of 50 µA. Consequently, under enabled, no-load, or light-load conditions, the internal power dissipation of this device will be approximately six times higher. This increase in static power consumption could be a critical constraint in battery-powered applications or other scenarios extremely sensitive to standby power draw. However, for applications where power consumption is not a primary concern or where the regulator typically operates under load, this substitution is acceptable.
2. XC6221D25A7R-G Substitution Conclusion
The substitution conclusion for the XC6221D25A7R-G is identical to that of the 'C' version. It is likewise a functional and pin-compatible replacement for the original component. As with the 'C' variant, the core differentiator remains the quiescent current (Iq). This part features a typical Iq of 50 µA, significantly higher than the original part's 8 µA. This directly translates to a substantial increase in the system's standby or light-load power dissipation post-replacement, potentially reducing battery life. The substitution is viable for designs not powered by batteries or those insensitive to microampere-level leakage currents. However, careful evaluation is warranted if the target application demands ultra-low power operation.
Analysis ID: 9E5A-A232000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com