S-812C32AUA-C2MT2G

Current - Output:	50mA
Supplier Device Package:	SOT-89-3
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	--
Control Features:	--
PSRR:	--
Current - Supply (Max):	1.8µA
Current - Quiescent (Iq):	500nA
Series:	S-812C
Voltage Dropout (Max):	0.41V @ 10mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.2V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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S-812C32AUA-C2MT2G is a monolithic linear voltage regulator from Infineon Technologies. It is specifically designed for use in portable applications, in particular, for multi-cell lithium battery system. It is a 4A step-down or buck converter with integrated LDO (low drop-out) regulator and can deliver up to 3A load current with voltage range of 3.2V to 21V input voltage.It is the newest addition to the family of linear voltage regulators, designed to significantly reduce system cost, while maintaining high efficiency and thermal performance. The S-812C32AUA-C2MT2G provides a power management solution that is flexible, automatically adjusting to various input conditions, allowing designers to modify the system set-up accordingly.The application fields of the S-812C32AUA-C2MT2G are the portable electronic devices such as smartphones, tablets, and other electronic device. It is suitable for the situation whose input voltage range is from 3.2 V to 21 V, with the output voltage of 0.6 V to 5.5 V.The working principle of this device is simple, it uses a linear regulator as the main regulating component, combined with several additional components. These components include power field effect transistors (FETs), reverse current blocking diodes, voltage reference, and current-limiting resistors. To provide an output voltage and current regulation, these components must be correctly sized and configured.When the input voltage is higher than the output voltage, the FETs are used to step-down the voltage. The current is regulated by the combination of the FETs and the current-limiting resistors. This regulator ensures that the current is sufficient to regulate the output voltage (which is proportional to the input voltage). On the other hand, when the input voltage is lower than the output voltage, the reverse current blocking diodes are activated, which is necessary to protect the circuit from short-circuits. The voltage reference ensures that the output voltage is not affected by the input voltage. At the same time, the S-812C32AUA-C2MT2G also offers additional protection functions which include over-voltage protection, over-current protection, and under-voltage protection. This device serves as an interface between the battery and the system, ensuring safe and reliable operation of the system.Overall, the S-812C32AUA-C2MT2G is a linear voltage regulator that is designed for use in portable applications. It is a cost-effective and reliable solution for applications that require improved efficiency and thermal performance. The device uses a linear regulator as the main regulating component, with several additional components for extra protection. The addition of the over-voltage protection, over-current protection, and under-voltage protection allows for safe and reliable operation.

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