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S-1122B44MC-L9DTFG

S-1122B44MC-L9DTFG Description

The S-1122B44MC-L9DTFG is a linear regulator IC designed by ABLIC Inc., a leading manufacturer in the power management integrated circuit (PMIC) category. This device is specifically engineered to provide a fixed output voltage of 4.4V with a maximum output current of 150mA. It features a maximum input voltage of 6.5V and is designed for surface mount applications, making it suitable for compact and high-density PCB designs. The regulator is housed in a SOT23-5 package, which is both space-efficient and robust for various electronic applications.

S-1122B44MC-L9DTFG Features

• Output Type: Fixed, ensuring a stable and consistent output voltage of 4.4V.
• Input Voltage Range: Capable of handling a maximum input voltage of 6.5V, providing flexibility in power supply options.
• Output Current: Delivers up to 150mA, suitable for a wide range of low-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.26V at 100mA, the S-1122B44MC-L9DTFG maintains high efficiency even at low input-to-output voltage differences.
• Low Quiescent Current: Features an extremely low quiescent current of 1µA, which is crucial for battery-powered devices to minimize power consumption during standby mode.
• Enable Control: Includes an enable feature, allowing the regulator to be turned on and off, which can be useful for power management and reducing power consumption when the regulator is not in use.
• Over-Current Protection: Equipped with over-current protection to safeguard the device and connected components from potential damage due to excessive current.
• High PSRR: Offers a high power supply rejection ratio (PSRR) of 80dB at 1kHz, ensuring minimal noise and ripple on the output voltage.
• Compliance and Reliability: The S-1122B44MC-L9DTFG is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to ambient conditions without degradation.

S-1122B44MC-L9DTFG Applications

The S-1122B44MC-L9DTFG is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and low quiescent current make it particularly suitable for battery-powered devices, such as portable electronics, wearable technology, and IoT devices. The enable control feature allows for dynamic power management, making it beneficial for applications that require power-saving modes. Additionally, its high PSRR ensures clean power delivery, which is essential for sensitive analog circuits and precision instruments.

Conclusion of S-1122B44MC-L9DTFG

The S-1122B44MC-L9DTFG from ABLIC Inc. stands out in the power management IC market due to its combination of high efficiency, low power consumption, and robust protection features. Its low dropout voltage and low quiescent current make it an excellent choice for applications where battery life and power efficiency are critical. The enable control and over-current protection further enhance its versatility and reliability. While it is marked as "Not For New Designs," the S-1122B44MC-L9DTFG remains a reliable option for existing designs and applications that require a stable and efficient power supply solution.