PT6672F

Voltage - Output 3:	--
Base Part Number:	PT6672
Size / Dimension:	2.36" L x 1.22" W x 0.42" H (59.9mm x 31.0mm x 10.7mm)
Package / Case:	14-SMD Module
Mounting Type:	Surface Mount
Efficiency:	80%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Current - Output (Max):	1.67A
Series:	PT6670
Voltage - Output 2:	--
Voltage - Output 1:	9V
Voltage - Input (Max):	3.6V
Voltage - Input (Min):	3.1V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters: PT6672F Application Field and Working Principle

DC-DC converters are one of the most important components of any electronic system. They are used to transform one form of direct current (DC) to another form. The popular PT6672F is a DC-DC converter designed with a transformer-style topology, meaning it relies on a magnetic field rather than an electrical circuit to provide the transformation. PT6672F is a high-efficiency, compact size, and high-power density DC-DC converter. It is suitable for the application fields of automotive, industrial, and powering a wide range of peripherals. It shows excellent performance in inputs from 9V up to 40V and provides regulated outputs of 1.2V, 1.5V, 1.8V, etc. up to 50V. Moreover, its synchronous rectifier circuit technology results in a high power density of up to 6.4W/cm3, allowing smaller PCB layout and a lower cost.The PT6672F DC-DC converter consists of a transformer, rectifier circuit, driver circuit, main switch, controller, loop compensation, and power supply circuit. The transformer stores energy that is used in the transformation from input voltage to output voltage, and produces a continuous output waveform. The rectifier circuit is made up of several diodes, which convert AC voltage into DC voltage. The driver circuit is used to control the main switch. The controller is the core of the PT6672F, providing with overload protection, overvoltage protection, undervoltage protection, and output current limit protection. Finally, the power supply circuit uses the load voltage to provide a voltage for the controller.The basic working principle of the PT6672F is also similar to other DC-DC converters. An oscillator circuit generated in the controller through the power supply circuit drives the main switch to form a feedback loop. During the operating cycle, the transformer converts the input voltage to a constant output voltage using induction. The resulting AC voltage is rectified by the diodes to produce a DC voltage. Finally, the inductor, capacitor, and resistor form a loop filter to reduce the AC ripple of the output voltage.In conclusion, the PT6672F DC-DC converter is a compact, high-efficiency, and high-power density converter that is suitable for a wide range of input and output voltages. It has excellent performance in terms of voltage regulation and fast response to load changes. Furthermore, its main components are easy to replace and repair, and it is cost-effective for industrial applications. The working principle is also similar to other DC-DC converters, making it an ideal choice for your electronic systems.

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