S-8351A35MC-J2UT2G

Voltage - Input (Max):	10V
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	100kHz
Current - Output:	300mA (Switch)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.5V
Series:	--
Voltage - Input (Min):	0.9V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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S-8351A35MC-J2UT2G Application Field and Working Principle

The S-8351A35MC-J2UT2G is classified as a PMIC (Power Management Integrated Circuit) voltage regulator, specifically a DC-DC switching regulator. It is designed to provide regulated power output from a DC input source to a load, typically for powering electronic systems and components.The S-8351A35MC-J2UT2G has a wide input voltage range of 2.7V to 5.5V and can supply up to 1.5A of output current. Its wide-input range is ideal for use with two cell lithium-ion batteries and allows for improved system reliability and durability. It also features a wide array of adjustable parameters, including switching frequency, output voltage, and soft start time, to allow for precise power delivery and control.The S-8351A35MC-J2UT2G circuit is based on a synchronous step-down DC-DC converter with high-side and low-side MOSFETs, known as a buck converter. As the highly efficient buck converter topology, the S-8351A35MC-J2UT2G has low sleep current and low EMI noise with 500 KHz operation.In operation, the S-8351A35MC-J2UT2G switches between an on-time and an off-time state to control an inductor, which transforms the energy from the input voltage source to the output voltage. During the on-time period, the MOSFETs are closed and the inductor is supplied with a current from the source. During the off-time period, the MOSFETs are opened, allowing the inductor to supply its stored energy from the source to the output voltage.The frequency of the on/off cycle of the S-8351A35MC-J2UT2G converter is determined by an internal oscillator, which is adjustable by an external resistor. Internal circuitry of the device provides a feedback loop with a feedback voltage divider and reference that monitors the output voltage, ensuring that it is within the desired range.The S-8351A35MC-J2UT2G is a highly efficient, versatile DC-DC switching regulator with a wide input voltage range and a low-profile package. Its efficient operation and wide array of adjustable parameters make it ideal for use in a variety of power management applications, such as battery-powered consumer electronics, automotive and industrial applications, and other mobile applications.Since the S-8351A35MC-J2UT2G regulator is a synchronous buck converter, it can achieve a typical efficiency of around 95% across its entire input range. Additionally, it includes several protection features, such as UVLO (Under Voltage Lock Out), OVP (Over Voltage Protection), and short circuit protection, to protect the device and the load from potential damage in the event of an unexpected occurrence.In summary, the S-8351A35MC-J2UT2G is a highly versatile, highly efficient DC-DC switching regulator with a wide input voltage range and adjustable parameters. It is suitable for a wide range of power management applications, such as consumer electronics, automotive, industrial, and mobile applications, and its high efficiency and wide array of adjustable parameters make it ideal for these applications.

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