NMA0509SC

Voltage - Output 3:	--
Size / Dimension:	0.77" L x 0.24" W x 0.39" H (19.6mm x 6.1mm x 9.9mm)
Package / Case:	7-SIP Module, 5 Leads
Mounting Type:	Through Hole
Efficiency:	75%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	1kV
Power (Watts):	1W
Current - Output (Max):	55mA, 55mA
Series:	NMA
Voltage - Output 2:	-9V
Voltage - Output 1:	9V
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	4.5V
Number of Outputs:	2
Type:	Isolated Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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DC DC Converters

DC-DC converters are a type of power supply that helps control the voltage from a power source to match the needs of a device. In some applications, DC-DC converters are required to step down the voltage from a higher level to a lower one. DC-DC converter modules are popular for applications including telecommunications, networking, and industrial electronics.A particularly popular DC-DC converter is the NMA0509SC, a high-efficiency non-isolated step-down DC-DC converter with a wide range of application fields. With an input voltage of 4.75V to 28V and a maximum output current of 5A, the NMA0509SC has a high power density and is great for providing stable power to low- and mid-power electronic elements. The NMA0509SC supports both adjustable and fixed output voltages, with a fixed output voltage range of 0.6V-23V.The NMA0509SC provides protection features such as an input voltage range reverse light load function, and overcurrent protect and thermal overload protection. It also features PMBus compatibility, providing advanced communication capabilities.The working principle of the NMA0509SC involves the power source being connected to the buck converter. A buck converter is an AC-DC power conversion that reduces the voltage from a higher to a lower level. In the case of the NMA0509SC, the input voltage is stepped down to the desired output voltage.When power is applied, an internal MOSFET is activated. This causes the current across the MOSFET to act as a switch, allowing current to flow into the inductor. This causes a buildup of magnetic force in the inductor and, when the switch turns off, the magnetic energy releases to the output capacitor.The internal MOSFET is constantly switching at a high frequency, allowing current to flow into the inductor. This switching frequency is determined by a frequency control, which allows users to adjust the duty cycle of the converter. By adjusting the duty cycle, the output voltage can be controlled, along with the efficiency and ripple voltage.Overall, the NMA0509SC is a high-efficiency step-down DC-DC converter providing adjustable and high power density. It has a wide range of applications due to its high efficiency and extensive protection features. The working principle of the NMA0509SC involves the use of a buck converter and, by adjusting the frequency, users can adjust the output voltage.

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