PT3403C

Current - Output (Max):	12A
Base Part Number:	PT3403
Size / Dimension:	2.58" L x 1.60" W x 0.31" H (65.5mm x 40.6mm x 8.0mm)
Package / Case:	14-SMD Module
Mounting Type:	Surface Mount
Efficiency:	85%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	35W
Series:	Excalibur™ PT3400
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	1.8V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters

DC/DC converters are devices that transform direct current from one voltage to another. Certain converter designs can also convert from a higher voltage to one that is lower, or from a lower voltage to one that is higher. As such, DC/DC converters are widely used in a variety of applications where the electricity must be converted from one voltage to another.One example of a DC/DC converter is the PT3403C. This is a three-terminal, non-isolated step-down DC/DC converter that can be used for various applications. It has wide input voltage range, high efficiency, and low noise, and can provide a maximum output current of 3.3 A and a maximum output voltage of 24 V.The PT3403C features an integrated power switch, adjustable output voltage stabilization, a frequency of 180 kHz, an internal soft start circuit, and built-in protection circuitry. It is also designed with over-temperature protection, over-current protection, and under-voltage lockout. These features allow the PT3403C to provide colder, lower-noise operation, even under high load current conditions.The PT3403C has numerous potential applications, including voltage conversion in industrial systems, solar systems, automotive electronics, and LED lighting. It can also be used for power management applications, such as battery charging, and can serve as a power source for microcontrollers and microprocessors.The working principle behind the PT3403C is based on the buck converter topology. This type of power converter employs an input voltage and a switch to regulate the output voltage at a level lower than the input voltage. The buck converter uses a duty cycle, which is determined by a feedback circuit.When the switch is open, the input voltage is supplied to an inductor, which stores energy in a magnetic field. When the switch is closed, the energy stored in the inductor is delivered to the output, resulting in an output voltage that is lower than the input voltage. The voltage regulation is achieved by adjusting the duty cycle of the switch, which is done using a feedback circuit.The PT3403C has a simple two-circuit structure, consisting of the power switch and buck-adaptive circuits. This explains why it is a low-cost, efficient, and reliable device, making it a great choice for numerous types of applications.Overall, the PT3403C is a great example of a DC/DC converter. Its wide input voltage range, high efficiency, and low noise make it an ideal choice for a variety of applications. Furthermore, its integrated power switch, adjustable output voltage stabilization, frequency of 180 kHz, and built-in protection circuitry offer optimal performance while keeping costs low. This makes the PT3403C an attractive device for a multitude of industrial, automotive, and consumer applications.

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