SC4626FSKTRT

Voltage - Input (Max):	5.5V
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.5MHz
Current - Output:	1A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.3V
Series:	--
Voltage - Input (Min):	2.9V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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SC4626FSKTRT Application Field and Working Principle The SC4626FSKTRT is an integrated monolithic switching regulator from Silicon Craft Technologies (SCT), designed for use in DC/DC voltage regulators in a range of industrial applications. It uses a built-in field-programmable frequency switch (FPS) circuit to achieve high efficiency, low noise operation, and improved power quality for a variety of applications.The SC4626FSKTRT is a high-efficiency, constant-voltage, step-down (i.e. buck) DC/DC regulator that is capable of regulating an input voltage of up to 48 volts down to an output voltage of 24 volts or lower. The regulator features a highly integrated system-on-chip (SoC) design where all the control, EMI reduction, and ripple cancellation functionality have been integrated into the SC4626 itself. This allows the regulator to achieve up to 93% efficiency with very low noise while maintaining excellent power quality.One of the key features of the SC4626FSKTRT is its field-programmable frequency switching (FPS) circuit. The FPS circuit allows for variable frequency control, allowing for high efficiency operation across a wide range of input voltages. This makes it well-suited for use in applications that frequently switch voltages or require variable efficiency at different voltages. Additionally, the regulator also features built-in over-temperature protection and under-voltage lockout (UVLO) to help ensure reliable operation.The SC4626FSKTRT is suitable for use in a variety of applications, such as industrial robotics, machine tools, commercial LED lighting, HVAC systems, and more. Additionally, its high efficiency and excellent power quality make it well-suited for use in automotive and aviation applications.In order to understand the working principle of the SC4626FSKTRT, it is important to understand the concept of a buck converter. A buck converter is a type of DC/DC converter that works by switching between two different states of operation: a high-side state, in which the output voltage is greater than the input voltage, and a low-side state, in which the output voltage is lower than the input voltage. The SC4626FSKTRT operates using pulse width modulation (PWM) control, meaning that it switches between the two states at a rapid rate in order to reduce the amount of energy wasted during power conversion.The FPS circuit of the SC4626FSKTRT allows for variable frequency control, which means that the switching frequency of the regulator can be adjusted depending on the input voltage. This helps ensure that the regulator is able to maintain high efficiency across the entire input voltage range. Additionally, the built-in EMI reduction and ripple cancellation circuitry helps to ensure low noise operation, even at high switching frequencies.Overall, the SC4626FSKTRT is a high-efficiency, low-noise monolithic DC/DC regulator from SCT that is well-suited for a range of industrial and automotive/aviation applications. Its field-programmable frequency switching circuit allows for improved efficiency and power quality across a wide range of input voltages, making it a great choice for applications that require reliable and efficient power delivery.

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