Current - Output (Max):	1A
Base Part Number:	PT5102
Size / Dimension:	1.00" L x 0.38" W x 1.39" H (25.4mm x 9.7mm x 35.3mm)
Package / Case:	3-SIP Module
Mounting Type:	Through Hole, Right Angle
Efficiency:	94%
Operating Temperature:	-40°C ~ 85°C
Features:	OCP, OTP
Applications:	ITE (Commercial)
Power (Watts):	12W
Series:	PT5100
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	38V
Voltage - Input (Min):	16V
Number of Outputs:	1
Type:	Linear Regulator Replacement
Part Status:	Obsolete
Packaging:	Tray

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DC-DC Converters

PT5102H Application Field and Working Principle

DC-DC converters are circuits that take an input of direct current (DC) at any voltage level and generate a desired DC output voltage at a different current level and frequency. DC-DC converters are used in a variety of applications, including communication systems, industrial automation, and automotive. The PT5102H is a highly efficient DC-DC converter, designed to provide a constant and stable voltage for a wide range of applications. This article examines the application areas and working principle of PT5102H.

Application Field

The PT5102H is an ideal solution for all applications requiring regulated power or voltage conversion. Its wide input voltage range of 4.5V – 25V and adjustable output of 1.2V to 12V make it suitable for use in automotive, medical, industrial, and many other applications. Its high-level protections against over-current, over-voltage, and thermal overload ensure reliable operation and dependable protection. The PT5102H also supports multiple topologies such as buck, boost, and inverting, making it suitable for various use cases. It supports up to 3A of continuous output current and can be adjusted up to 6A via external components. With its integrated capability to regulate up to 0.1V increments, the PT5102H offers highly precise and reliable performance for your applications.

Working Principle

The PT5102H utilizes advanced PWM control technology to regulate the output voltage of the device. It takes in a direct current (DC) input voltage to produce a desired output voltage. It utilizes a switch-mode power conversion circuit to keep the peak current constant and then pulses the output voltage, which is then regulated to the desired output voltage.When an input is applied to the PT5102H, a voltage detector senses the input voltage and the power loss. The PWM signal generated by the PT5102H is fed to the power switch, which turns on and off the internal switch-mode power converter. When the converter is turned on, the current passing through the converter is regulated, allowing the DC output voltage to be regulated according to the input voltage.Once the DC output voltage is regulated, the device will regulate it based on the regulated PWM signal to maintain the output voltage. The PT5102H also includes over-current and over-voltage protections to ensure the device is performing as desired and to prevent damage from over loading the circuit or excessive voltage.

Conclusion

The PT5102H DC-DC converter is a highly efficient device with a wide input voltage range of 4.5V - 25V and adjustable output of 1.2V to 12V making it a versatile power supply for various applications. With its advanced technology and integrated protective features, it is an ideal solution for reliable power conversion and voltage regulation.

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