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S-19518AY3A-E8T1U4

S-19518AY3A-E8T1U4 Description

The S-19518AY3A-E8T1U4 is a high-performance linear regulator designed for automotive applications, offering a fixed output voltage of 3.3V and a maximum output current of 250mA. Manufactured by ABLIC Inc., this regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8HSOPA package. It features a maximum input voltage of 36V and a dropout voltage of 0.6V at 250mA, ensuring efficient operation even under varying input conditions.

S-19518AY3A-E8T1U4 Features

• Output Type: Fixed
• Input Voltage Range: Up to 36V
• Output Current: 250mA
• Output Voltage: Fixed at 3.3V
• Dropout Voltage: 0.6V @ 250mA
• Quiescent Current: 9.8 µA
• Power Supply Rejection Ratio (PSRR): 65dB at 100Hz
• Control Features: Enable, Reset Out, Watchdog
• Protection Features: Over Current, Over Temperature
• Package Type: 8HSOPA
• Mounting Type: Surface Mount
• Product Status: Active
• Compliance: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Grade: Automotive
• Packaging: Tape & Reel (TR)

The S-19518AY3A-E8T1U4 stands out due to its low dropout voltage and high PSRR, which are critical for maintaining stable output voltage under varying load conditions. The inclusion of enable, reset out, and watchdog control features enhances its versatility and reliability, making it suitable for demanding automotive environments.

S-19518AY3A-E8T1U4 Applications

The S-19518AY3A-E8T1U4 is ideal for a variety of automotive applications where stable power supply and high reliability are essential. Its automotive grade ensures robustness against harsh operating conditions, making it suitable for:

• In-Car Electronics: Powering infotainment systems, navigation units, and other electronic control units.
• Safety Systems: Providing reliable power to critical safety systems such as airbag controllers and ABS modules.
• Telematics and Communication Modules: Ensuring stable power supply for GPS, V2X communication, and other telematics devices.

The regulator's low quiescent current and high PSRR make it particularly suitable for applications requiring minimal power consumption and high noise immunity, such as battery-powered devices and sensitive analog circuits.

Conclusion of S-19518AY3A-E8T1U4

The S-19518AY3A-E8T1U4 linear regulator from ABLIC Inc. is a robust and versatile solution for automotive power management applications. Its combination of a fixed 3.3V output, low dropout voltage, and high PSRR ensures stable and efficient power delivery. The inclusion of advanced control and protection features further enhances its reliability and adaptability to various automotive environments. Whether powering critical safety systems or in-car electronics, the S-19518AY3A-E8T1U4 offers a reliable and efficient power management solution that meets the stringent requirements of the automotive industry.