PTK25-D24-D12-T

Voltage - Output 3:	--
Approvals:	--
Size / Dimension:	3.00" L x 2.25" W x 0.67" H (76.2mm x 57.2mm x 17.0mm)
Mounting Type:	Chassis Mount
Operating Temperature:	-20°C ~ 71°C
Efficiency:	--
Applications:	ITE (Commercial)
Power (Watts):	25W
Current - Output (Max):	1A, 1A
Voltage - Output 4:	--
Series:	PTK25
Voltage - Output 2:	-12V
Voltage - Output 1:	12V
Number of Outputs:	2
Voltage - Input (Max):	36V
Voltage - Input (Min):	18V
Type:	Isolated
Part Status:	Obsolete
Packaging:	Bulk

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DC DC Converters

DC-DC converters are electronic devices that provide an efficient conversion of direct current (DC) power from one form to another. DC DC converters can range from simple forms that provide basic voltage conversion to complex power-processing systems that provide advanced functions such as power-factor correction or voltage regulation.The PTK25-D24-D12-T is a type of DC-DC converter. It is a high-efficiency, step-down switching regulator. It has a wide input voltage range of 18V to 36V and can provide a regulated output voltage of either 3.3V or 5V at up to 15A. It features a thermal shutdown protection and a wide operating temperature range of -40°C to +85°C.In order to understand the application field and working principle of the PTK25-D24-D12-T, it is necessary to first understand the basic principles behind DC-DC converters. A DC-DC converter is a device that receives a DC input and generates a regulated DC output. The output voltage is determined by a feedback loop, which senses the output voltage and adjusts the internal switching frequency to compensate for any changes in the input voltage.The PTK25-D24-D12-T uses a synchronous buck-boost topology. In this topology, the input current is controlled by the switching of two power transistors—a high side switch and a low side switch. When the low side switch is on, the input current flows through the high side transistor and provides a boost to the output voltage. Conversely, when the high side switch is on, the input current flows through the low side transistor and provides a buck effect, reducing the output voltage.The PTK25-D24-D12-T also utilizes a ripple control PWM scheme to ensure that the output voltage is accurately regulated. This PWM scheme uses a special signal generated by comparing the output voltage with its reference voltage. If the output voltage falls below its reference voltage, then the ripple signal will increase the switching frequency of the transistors, thereby increasing the output voltage.The PTK25-D24-D12-T can be used mainly to convert a wide range of DC voltages into either a 3.3V or 5V regulated output. Its applications range from automotive systems, such as power window and door locks, to commercial and industrial applications, where it can be used to power control circuits, instrumentation, and data acquisition systems.In conclusion, the PTK25-D24-D12-T is a highly efficient DC-DC converter, which utilizes a synchronous buck-boost topology and a ripple control PWM scheme to ensure that the output voltage is accurately regulated. It can be used in a wide range of applications, as it has a wide input voltage range of 18V to 36V and can provide a regulated output voltage of either 3.3V or 5V at up to 15A.

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