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PT7M8218B18CEX

PT7M8218B18CEX Description

The PT7M8218B18CEX is a linear regulator IC designed by Diodes Incorporated, offering a fixed output voltage of 1.8V with a maximum input voltage of 5.5V. This regulator is capable of delivering up to 300mA of output current, making it suitable for a variety of low-power applications. The device features a low dropout voltage of 0.18V at 150mA, ensuring efficient operation even at low input voltages. It is housed in a compact SC70-5 package, making it ideal for space-constrained designs. The PT7M8218B18CEX also includes an enable control feature, allowing for dynamic power management and enhanced flexibility in system design.

PT7M8218B18CEX Features

• Output Type: Fixed
• Voltage - Input (Max): 5.5V
• Current - Output: 300mA
• Number of Regulators: 1
• Output Configuration: Positive
• Voltage - Output (Min/Fixed): 1.8V
• Voltage Dropout (Max): 0.18V @ 150mA (Typ)
• Current - Quiescent (Iq): 50 µA
• PSRR: 75dB (1kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The PT7M8218B18CEX stands out with its low quiescent current of 50 µA, which is crucial for battery-powered applications where power consumption must be minimized. Its high power supply rejection ratio (PSRR) of 75dB at 1kHz ensures excellent noise filtering, making it suitable for sensitive analog circuits. The inclusion of over-current and over-temperature protection features enhances the reliability and robustness of the regulator, safeguarding it against potential faults.

PT7M8218B18CEX Applications

The PT7M8218B18CEX is well-suited for a range of applications where a stable and efficient power supply is required. Its low dropout voltage and fixed output voltage make it ideal for portable electronic devices, such as smartphones, tablets, and wearable technology. The enable feature allows for dynamic power management, which is beneficial in systems that require power-saving modes or standby states.

Additionally, the PT7M8218B18CEX is suitable for use in consumer electronics, medical devices, and industrial control systems where space is limited and high performance is essential. The compact SC70-5 package ensures that it can be easily integrated into densely populated PCBs without compromising on performance.

Conclusion of PT7M8218B18CEX

The PT7M8218B18CEX is a versatile and efficient linear regulator that offers a combination of low dropout voltage, low quiescent current, and high PSRR, making it an excellent choice for a variety of low-power applications. Its compact size, surface-mount package, and robust protection features make it a reliable and space-efficient solution for modern electronic designs. Despite being marked as obsolete, the PT7M8218B18CEX remains a valuable component for engineers looking for a reliable and efficient power management solution.