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. XC6217A2727R-G Substitution Conclusion
This part is a suitable drop-in replacement with significantly improved performance, though attention must be paid to the differing conditions for dropout voltage testing. The new device outperforms the original part across all key specifications: its quiescent current (Iq) is reduced from 20µA to 8µA, which benefits battery life; the power supply rejection ratio (PSRR) is substantially improved from 50dB to 70dB, offering superior filtering of supply noise; and its rated dropout voltage (0.17V @100mA) is lower than the original's (0.38V @200mA), allowing operation at a lower input voltage. Although its dropout is characterized at a different test current (100mA vs. the original's 200mA), the dropout at a full 200mA load will naturally increase. However, due to its process advantages, it is typically expected to match or exceed the performance of the old part. The package, output voltage, enable function, and protection features are identical, enabling a direct replacement that optimizes system performance.
2. XC6217B2727R-G Substitution Conclusion
This part is also a suitable replacement, offering the same performance improvements as the 'A' version, and typically features higher output voltage accuracy. Compared to the 'A' version described above, the XC6217B2727R-G has identical core electrical parameters—including quiescent current, PSRR, and dropout voltage—providing the same advantages in reduced power consumption, improved noise rejection, and low dropout operation. According to typical manufacturer naming conventions, the key distinction of the 'B' version over the 'A' version is its tighter output voltage accuracy (e.g., ±1% vs. a typical ±2% for the 'A' version). The 'B' version can therefore supply a more stable and precise 2.7V to the load, making it the preferred choice for voltage-sensitive applications such as high-precision analog circuits or ADC reference supplies. The package, pinout, and functionality are fully compatible, allowing for direct substitution.
Analysis ID: 74C0-40AA000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com