Voltage - Output 3:	--
Size / Dimension:	0.77" L x 0.39" W x 0.49" H (19.6mm x 9.9mm x 12.4mm)
Package / Case:	7-SIP Module, 4 Leads
Mounting Type:	Through Hole
Efficiency:	68%
Operating Temperature:	-40°C ~ 60°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	5.2kV
Power (Watts):	1W
Current - Output (Max):	200mA
Series:	NMJ
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Type:	Isolated Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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DC DC Converters

A DC DC converter is an electronic device that converts a direct current (DC) voltage from one level to a different level. DC DC converters are commonly used for applications requiring DC voltage control. This article will focus on NMJ0505SAC, an advanced DC DC converter, and its application fields and working principle.

Overview

NMJ0505SAC is a type of DC DC converter which is applied in a wide range of applications. Using high-efficiency power conversion, it is able to convert DC voltage of high power from 12V to 48V at high conversion efficiency. It is designed to provide consistent voltage regulation with high power density. Its typical applications include, but not limited to, power supplies, automotive electronics, photovoltaic systems and telecom systems.

Design and Construction

NMJ0505SAC has a unique design that allows fast, efficient and reliable power conversion. It is made up of mainly four components, a two-phase inverter, a rectifier bridge, a capacitor filter and a control circuit. The two-phase inverter is used to convert the AC voltage from the rectifier bridge into DC voltage. The rectifier bridge, made up of four Schottky diodes, is used to convert AC voltage into DC voltage. The capacitor filter then smooths the DC voltage and the control circuit regulates the DC voltage to ensure voltage regulation and to protect the device from overvoltage and overcurrent.

Working Principle

The working principle of NMJ0505SAC can be divided into two stages. In the first stage, the AC voltage from the rectifier bridge is converted into DC voltage by the two-phase inverter. The inverter consists of two pairs of switches that are driven by a control circuit. When a switch is closed, it will store the energy, when it is opened, the energy will be discharged. The inverter is able to convert the AC voltage into DC voltage and the capacitor filter is then used to smooth the DC voltage. In the second stage, the control circuit regulates the DC voltage to ensure voltage regulation. The control circuit contains a voltage feedback system. The voltage feedback compares the output voltage with a reference voltage, and then give a signal to the two-phase inverter. The inverter will then adjust its switching frequency to regulate the DC voltage according to the signal from the control circuit.

Conclusion

To sum up, NMJ0505SAC is an advanced DC DC converter with a unique design that allows efficient power conversion. It is widely used in a variety of applications such as, power supplies, automotive electronics, photovoltaic systems and telecom systems. Its working principle is comprised of two stages, in the first stage the AC voltage is converted to DC voltage, and in the second stage the DC voltage is regulated by a control circuit. As such, NMJ0505SAC is able to provide a reliable and consistent voltage regulation with high power density.

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