ECE40US09

Power (Watts):	40W
Weight:	0.331 lb (150.14g)
Approvals:	CSA, cUL, EN, UL
Load Regulation:	±1%
Line Regulation:	±0.5%
Size / Dimension:	3.10" L x 1.50" W x 1.10" H (78.7mm x 38.1mm x 27.9mm)
Package / Case:	4-DIP Module
Mounting Type:	Through Hole
Efficiency:	80%
Operating Temperature:	-25°C ~ 70°C (With Derating)
Features:	OVP, SCP
Applications:	ITE (Commercial)
Series:	ECE
Current - Output (Max):	4.44A
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	9V
Voltage - Input:	85 ~ 264 VAC, 120 ~ 370 VDC
Number of Outputs:	1
Moisture Sensitivity Level (MSL):	--
Type:	Enclosed
Lead Free Status / RoHS Status:	--
Part Status:	Active

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AC DC Converters

An AC DC Converter, also known as a power converter, is a device that converts alternating current (AC) into direct current (DC). AC DC Converters are commonly used in many different applications, from residential and commercial power conversion to automotive power systems. The most common type of AC DC Converter is the ECE40US09, which is a switching-mode power supply (SMPS) with a buck-boost topology.The ECE40US09 AC DC Converter is a highly efficient power conversion device capable of delivering precisely regulated DC output voltages from AC input sources of varying voltage levels. The ECE40US09 is an excellent choice for applications that require a highly efficient power conversion solution such as domestic appliances, lighting systems, audio amplifiers, and motor controllers.The ECE40US09 has two main components, the input stage and the output stage. The input stage takes in an AC voltage input, usually around 240V, and converts it into two separate DC voltages. The first DC voltage is used to drive the high-frequency DC-DC switching converter, which, in turn, creates the regulated output voltage at the output stage.The output stage of the ECE40US09 is a buck-boost converter, which enables the device to regulate the output voltage based on the input voltage. This makes it possible for the ECE40US09 to output a precisely regulated DC voltage regardless of the incoming AC voltage.To ensure the most efficient operation of the ECE40US09, it is important to understand the power conversion system’s switching characteristics. The switching frequency of the ECE40US09 is variable and can be set from 0.2kHz to 500kHz. Higher switching frequencies provide higher output powers, while lower switching frequencies maximize efficiency. Low-frequency operation also helps reduce the system\'s total radiated noise.The switching characteristics of the ECE40US09 can be further optimized using Pulse Width Modulation (PWM). PWM is used to digitally control the switching on and off of the power switches, and by adjusting the PWM according to its duty cycle the output voltage of the converter can be precisely regulated. This allows for precision control of the output voltage, thereby maximizing the converter\'s efficiency, noise, and output power.In summary, the ECE40US09 is a highly efficient AC DC converter capable of precisely regulating the DC output voltage from incoming AC voltage sources. The device has an input stage, a switching converter, and a buck-boost converter, which allow for precise control of the output voltage. Additionally, Pulse Width Modulation can be used to maximize the efficiency, noise, and output power of the device, making the ECE40US09 an ideal solution for many applications.

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