Voltage - Output 2:	--
Size / Dimension:	1.11" L x 0.31" W x 0.70" H (28.2mm x 8.0mm x 17.9mm)
Package / Case:	10-SIP Module, 5 Leads
Mounting Type:	Through Hole
Efficiency:	78%
Operating Temperature:	-25°C ~ 80°C
Features:	--
Applications:	ITE (Commercial)
Power (Watts):	3W
Current - Output (Max):	100mA
Voltage - Output 3:	--
Series:	EHD-RD
Voltage - Output 1:	-32V
Voltage - Input (Max):	-170V
Voltage - Input (Min):	-113V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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DC DC Converters: EHD-RD3470 Application Field and Working Principle

DC/DC converters are electronic devices used to convert a direct current (DC) power source into a different, more desirable, form of DC voltage. DC/DC converters are used in almost all electronic circuits, from the most basic to the most complex. In a domestic setting, these converters can be used to adjust the voltage level supplied to a device, allowing it to be used with mains electricity of different voltage levels.One particular type of DC/DC converter is the EHD-RD3470, manufactured by Enverion Hydropower and Energy (EHD). This device is a DC-DC Buck converter, and is used for applications requiring the conversion of high voltage DC to an output voltage of lower DC. An example of this would be converting a 48V DC input voltage to a 12V DC output voltage.The EHD-RD3470 is a switching converter module designed for use in solar energy applications, wind/hydro-power renewable energy systems, and other industrial applications that require high voltage DC conversion. The device features high efficiency (up to 93%), adjustable output voltage, and low standby power consumption (less than 0.3W). It also has a wide input voltage range (38 to 72V DC) and is designed to operate in temperatures from -30℃ to 80℃.The basic operating principles of the EHD-RD3470 can be broken down into three distinct steps. Firstly, when power is applied, the control IC will initiate conduction of the transistor switch, thus allowing current to flow from the input to the output terminals. Secondly, as the current flows through the inductor, energy is stored, creating a magnetic field. Thirdly, the stored energy is released through the transistor switch, allowing the output voltage to be regulated to the desired level.The output voltage of the EHD-RD3470 device can be easily adjusted using a potentiometer to vary the on-time of the switching circuit, thus changing the ratio of on-time to off-time. This is known as pulse-width modulation (PWM) and is a commonly used technique to regulate power output in DC-DC converters.In addition to the voltage control, the EHD-RD3470 also incorporates over-current and short-circuit protection features, allowing it to meet the necessary safety requirements for most applications. The device is also protected against over-voltage and under-voltage conditions, providing further peace of mind.Overall, the EHD-RD3470 is a highly efficient DC-DC Buck converter designed to provide reliable, adjustable output voltage for a wide range of environments and applications. Its high efficiency and miniaturized form factor make it an ideal choice for those looking for an optimal solution for converting high voltage DC to lower DC voltages.

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