Original Part
Linear Voltage Regulator IC Positive Fixed 1 Output 200mA USP-4D
Alternative Part
Linear Voltage Regulator IC Positive Fixed 1 Output 200mA 4-USP (1.2x1.6)
1. XC6221A092GR-G Substitution Conclusion
The XC6221A092GR-G can essentially replace the original XC6217C092GR-G, with the primary consideration being the difference in quiescent current: the XC6221A draws 50µA, compared to 8µA for the original part (a factor of approximately 6x higher). All other key parameters—input/output voltage, output current, dropout voltage, package, and enable control—are identical. PSRR and protection features are also the same, ensuring pin compatibility and equivalent baseline performance. The higher quiescent current of the XC6221A may increase standby power consumption in battery‑powered or ultra‑low‑power applications, potentially affecting system runtime. If the application is not sensitive to quiescent current, the substitution can be made directly.
2. XC6221B092GR-G Substitution Conclusion
The substitution conclusion for the XC6221B092GR-G is identical to that of the XC6221A, as its parameters are exactly the same (including the 50µA quiescent current). The only difference is the suffix in the part number; both devices are derived variants of the same series with identical technical specifications. The same feasibility and precautions apply: the elevated quiescent current is the key distinction, and its impact on battery life must be evaluated in power‑critical designs. All other characteristics are directly compatible with the original part.
Analysis ID: BEA5-AE18000
Based on part parameters and for reference only. Not to be used for procurement or production.
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