PT7748C

Voltage - Output 3:	--
Base Part Number:	PT7748
Size / Dimension:	2.81" L x 1.78" W x 0.49" H (71.4mm x 45.2mm x 12.5mm)
Package / Case:	27-SMD Module
Mounting Type:	Surface Mount
Efficiency:	90%
Operating Temperature:	0°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Current - Output (Max):	17A
Series:	PT7720
Voltage - Output 2:	--
Voltage - Output 1:	11 ~ 14 V
Voltage - Input (Max):	14V
Voltage - Input (Min):	11V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	--

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Introduction

PT7748C is a DC DC converter that is a single-phase, high-efficiency, high-power MOSFET-based DC DC converter. It is designed to provide a cost-effective solution for reliable energy conversion from direct current (DC) sources to the regulated DC and AC outputs commonly used in industrial, instrumentation, telecom, medical, automotive, and computer applications.

Application field

The PT7748C is designed for high power, low voltage applications in a wide variety of fields. It is suitable for use in industrial applications where high reliability and safety are important, such as energy management systems, transportation, and electric power generation. In addition, it can be used in telecommunications, medical instrumentation, automotive, and computer applications where wide voltage range and high efficiency are desired.

Working principle

The PT7748C works by converting direct current from the input to a regulated high frequency alternating current. This high frequency alternating current is then rectified to provide a regulated output voltage. In addition, the converter includes an active clamped gate drive that allows for the efficient control of the MOSFETs while minimizing EMI generation. The PT7748C can also operate as a buck-converter, or as an active-clamped forward converter.The PT7748C also includes protection features that help protect the internal components from short-circuit and overload conditions, thus greatly improving the converter\'s reliability.

Conclusion

The PT7748C is a single-phase, high-efficiency, high-power DC-DC converter, designed to provide reliable energy conversion from direct current to regulated DC and AC outputs. The PT7748C has application in industrial, instrumentation, telecom, medical, automotive, and computer applications, and includes protection features to help prevent damage to the internal components due to short-circuit and overload conditions.

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