PT6982C

Voltage - Output 3:	--
Base Part Number:	PT6982
Size / Dimension:	2.58" L x 1.19" W x 0.43" H (65.5mm x 30.2mm x 10.9mm)
Package / Case:	23-SMD Module
Mounting Type:	Surface Mount
Efficiency:	84%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, SCP
Applications:	ITE (Commercial)
Current - Output (Max):	10.5A, 2.25A
Series:	Excalibur™ PT6980
Voltage - Output 2:	2.5V
Voltage - Output 1:	3.3V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	10.8V
Number of Outputs:	2
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tray

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DC DC Converters

DC DC converters are electronic devices that convert a direct current (DC) voltage to a different DC voltage. The most common applications of such converters are switching power supplies, which are commonly used in consumer electronics, such as computers, televisions, and radios. The PT6982C is a bridge rectifier/DC-DC converter from Powertech. It is designed to provide a regulated DC output voltage from an input of +3V to +15V. This article will discuss the application field and working principle of the PT6982C.

Application Field

The PT6982C is designed for applications that require a regulated, adjustable input-output conversion from a source of +3V to +15V. It can be used as a power source for a variety of applications, including DC-DC converters, switching power supplies, AC-DC converters, voltage regulators, and DC-DC buck converters.

Features

The PT6982C features synchronous rectification, high switching frequency of up to 400kHz, adjustable output voltage from 0.9V to the input voltage, high efficiency, and low output ripple. It also has over-voltage protection, current limit protection, and thermal shutdown protection.

Working Principle

The PT6982C is a bridge rectifier/DC-DC converter. In its most basic form, it consists of four diodes and two capacitors. The input voltage is rectified by the diodes and the capacitors act as energy storage devices. The output of the rectifier is then fed into the DC-DC converter, which is used to convert the voltage from the rectifier to the desired output voltage. The DC-DC converter uses two switching transistors, an inductor, and a diode to achieve its voltage conversion. The transistors are used to switch the input voltage on and off at high frequencies. The inductor stores energy when the switches are in the on state and releases energy when the switches are in the off state. The diode is used to protect the circuitry from reverse current flow.The combination of the rectifier and the DC-DC converter is capable of providing a regulated output voltage from input voltages ranging from +3V to +15V. The output voltage is adjustable and can be set up to the input voltage. The PT6982C also features current limit protection and over-voltage protection, ensuring that the device will not be damaged in the event of an overload.

Conclusion

The PT6982C is a bridge rectifier/DC-DC converter designed for applications that require a regulated, adjustable input-output conversion from a source of +3V to +15V. It features synchronous rectification, high-efficiency, and adjustable output voltage from 0.9V to the input voltage. It also has over-voltage protection, current limit protection, and thermal shutdown protection. The PT6982C is an ideal choice for applications such as DC-DC converters, switching power supplies, AC-DC converters, voltage regulators, and DC-DC buck converters.

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