SC189CSKTRT

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:	1.5A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
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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Introduction to the SC189CSKTRT Voltage Regulator

The SC189CSKTRT is a switching type DC to DC voltage regulator, designed and manufactured by Infineon Technologies. It is a switching regulator that is employed to keep output voltage levels stable, enabling effective conversion between different voltage levels. This device is a high efficiency linear regulator, capable of converting from a wide input range of 3.3V to 20V to a fixed output voltage of 3.3V up to a maximum output current of 32A.

Features of the SC189CSKTRT Voltage Regulator

The SC189CSKTRT is a versatile low-power DC/DC regulator, which can operate over a wide input voltage range of 3.3 to 20V. It offers a maximum output voltage of 3.3 volts and short-circuit current up to 32A. The SC189CSKTRT also offers high efficiency and a low quiescent current of 1.3µA. The device is also RoHS compliant, making it an ideal choice for green designs.It also offers an adjustable output voltage range of 3.3V to 32A and a programmable soft start time to reduce overshoot and limit inrush current to 500mA. The SC189CSKTRT operates with a switching frequency of 1.5MHz and a low ripple of less than 0.25mVpp. The device also provides a current sense output that can be monitored to detect over-current conditions. The SC189CSKTRT is available in a choice of TSSOP or DPAK packages.

Applications of the SC189CSKTRT Voltage Regulator

The SC189CSKTRT is an ideal voltage regulator for power management and distributed power applications. It is used primarily in devices and systems requiring constant voltage or current requirements, such as computer systems, telecommunications systems, automotive systems and medical equipment.The SC189CSKTRT is suitable for distributed power applications in systems where the current required keeps changing, but the voltage needs to be maintained. The device can also be used in solar panel charging applications to regulate the input voltage. Battery powered systems can also benefit from the device\'s power saving capabilities.

Working Principle of the SC189CSKTRT Voltage Regulator

The SC189CSKTRT is a high efficiency switched-mode DC to DC converter.This device works by regulating the output voltage level by switching the device\'s switch element on and off at a high frequency. The voltage regulator maintains the output voltage level by comparing the input voltage level to a reference voltage, and switching the switch element accordingly.This cycle of regulation requires a certain amount of energy every time the cycles are generated. This energy consumption is in the form of wasted power as heat, as some of the input energy is lost during the conversion. The SC189CSKTRT is designed to minimize this wastage, while still providing a steady output voltage with high accuracy.

Conclusion

The SC189CSKTRT is a high efficiency switched-mode DC to DC converter, suitable for a wide range of power management and distributed power applications. The device can operate over a wide input voltage range of 3.3 to 4V, and its adjustable output range of 3.3V to 32A provides flexibility across a wide range of applications. The device also offers a low quiescent current of 1.3μA, low ripple of 0.25mVpp, and short-circuit current up to 32A. Moreover, the SC189CSKTRT provides a current sense output for monitoring and control purposes, and can act as a fast response voltage regulator in power designs.

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