Q48T20020-PCC0

Voltage - Output 3:	--
Size / Dimension:	2.30" L x 1.45" W x 0.34" H (58.4mm x 36.8mm x 8.6mm)
Package / Case:	8-DIP Module
Mounting Type:	Through Hole
Efficiency:	--
Operating Temperature:	--
Features:	--
Applications:	--
Power (Watts):	40W
Current - Output (Max):	20A
Series:	Q48
Voltage - Output 2:	--
Voltage - Output 1:	2V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Bulk

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DC DC Converters

DC-DC converters are electronic circuits used to convert DC power from one voltage level to another. The Q48T20020-PCC0 is a DC-DC converter that uses its field effect transistors (FETs) to step down voltage. The Q48T20020-PCC0 is a half bridge topology that consists of four MOSFETs and provides high efficiency, high power density and noise immunity.

Application Field

The Q48T20020-PCC0 is a suitable DC-DC converter for a wide variety of applications, including power supplies, power conditioning, computing, LED lighting, and voltage regulation. As per its application, it offers excellent transient responses, fast load transient response, and system protection features. It is designed for use in DC input voltage levels of either 12V, 24V, 48V, or 60V, and offers an output voltage of either 12V or 24V. It is capable of providing a maximum current of 20A, and can be used with a wide range of applications including industrial equipment, medical equipment, and consumer electronics.

Working Principle

The Q48T20020-PCC0 DC-DC converter steps down voltage by switching two FETs (field effect transistors) and a flyback diode in a half bridge topology. When the two FETs are connected, they form a bridge, where one side consists of two FETs connected in series, and the other side consists of two FETs connected in parallel. The DC voltage from the source is applied to both the series FETs and the parallel FETs. When the DC voltage is applied to the series FETs, a current is generated and passes through to the parallel FETs. This current passes through the bridge, generating an output voltage at the end of the bridge. This output voltage is then regulated by controlling the switching frequency of the FETs. This topology is highly efficient due to its low switching losses and low dead time. The fast switching between the FETs ensures the output voltage stays stable and the output current is constant. It also protects the system from overvoltage and undervoltage conditions, as well as over-temperature conditions and EMI disturbances.

Conclusion

The Q48T20020-PCC0 is a highly efficient DC-DC converter that can be used in a variety of applications. It is designed for use in DC input voltages of 12V, 24V, 48V, and 60V, and can provide an output voltage of 12V or 24V, with a maximum current of 20A. Its design permits fast switching between its half bridge topology of four FETs, and provides excellent transient responses, fast load transient response, and system protection features.

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