PSS489-7

Voltage - Output 3:	--
Approvals:	CE, cULus, EN, IEC
Size / Dimension:	6.73" L x 4.37" W x 2.36" H (171.0mm x 111.0mm x 60.0mm)
Mounting Type:	Chassis Mount
Operating Temperature:	-25°C ~ 71°C
Efficiency:	97%
Applications:	ITE (Commercial), Railway
Power (Watts):	432W
Current - Output (Max):	9A
Voltage - Output 4:	--
Series:	Melcher PSS
Voltage - Output 2:	--
Voltage - Output 1:	48V
Number of Outputs:	1
Voltage - Input (Max):	144V
Voltage - Input (Min):	58V
Type:	Enclosed, Conformal Coated
Part Status:	Active
Packaging:	Bulk

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<p>DC-DC converters are a broad category of power electronic devices used to convert electric power from a DC source to a DC load. PSS489-7 belongs to this family of converters, and it can be used for a variety of applications. This article will explain the working principle of the PSS489-7 and discuss its various applications.</p><p>The PSS489-7 is a fully-isolated DC-DC converter with input voltage range of 4.5-36V and output voltage range of ±1.2V to ±7.68V. It can deliver up to 7A of output current with excellent line and load regulation. The isolation of the device is 2,250V, which allows for the use of two different power sources without any risk of shorts or electric shocks. The operating temperature range of the device is -40℃ to 105℃. The device has a high efficiency of up to 95%, further helping improve power savings.</p><p>The PSS489-7 works on the principle of voltage regulation. In its most basic and traditional form, voltage regulation involves introducing a reference voltage known as the “adjusted voltage” between the load and the power supply. This regulated voltage is maintained constant, regardless of the load current or the supply voltage. In the PSS489-7, this adjustable voltage is created by a simple feedback circuit, which consists of a transistor and two resistors connected between the output and the negative input. This feedback circuit is referred to as a “voltage divider”, and helps maintain the output voltage at the desired levels.</p><p>The PSS489-7 is used for a wide range of different applications, including telecommunications, industrial control systems, computers, and networking. It is also useful for powering LEDs, as it allows for the adjustment of the output current in order to achieve the desired brightness level. Additionally, it can be used to build power supplies for various applications, including motor control, audio amplification, and equipment testing.</p><p>Overall, the PSS489-7 is a great choice for a wide range of applications requiring a reliable and efficient DC-DC converter. It offers excellent line and load regulation, an adjustable output voltage, and a high operating temperature range, making it suitable for applications in a wide variety of situations.</p>

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