REC3-053.3SRW/H4/C/SMD

Series:	ECONOLINE REC3-SRW
Packaging:	Tube
Part Status:	Active
Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	4.5V
Voltage - Input (Max):	9V
Voltage - Output 1:	3.3V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	900mA
Power (Watts):	3W
Voltage - Isolation:	4kV
Applications:	ITE (Commercial), Medical
Features:	SCP
Operating Temperature:	-40°C ~ 80°C
Efficiency:	76%
Mounting Type:	Surface Mount
Package / Case:	24-SMD Module, 18 Leads
Size / Dimension:	1.26" L x 0.78" W x 0.44" H (32.0mm x 19.9mm x 11.2mm)

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DC-DC converters are used in a variety of applications, including automotive, industrial, and consumer electronics. The REC3-053.3SRW/H4/C/SMD is a unique DC-DC converter designed for a wide variety of uses. This article will discuss the application field and working principle of these converters.The REC3-053.3SRW/H4/C/SMD is designed for safety equipment and automotive systems, including Battery Management Systems (BMS), Electronic Fuel Injection Controls (EFI), engine control units (ECUs), ABS, and powertrain lighting. It can support high-current, wide-voltage applications up to 30V @ 30A. Its integrated EMI filter ensures low conducted and radiated emissions, and its embedded Over Temperature Protection (OTP) and over current protection (OCP) features ensure safety for users.The REC3-053.3SRW/H4/C/SMD is a full-bridge DC-DC converter with a single input and dual output. Its switching frequency is 150KHz, and its efficiency is up to 96%. The converter can be forced to PWM mode for reducing the ripple.The basic working principle of REC3-053.3SRW/H4/C/SMD is to convert low-voltage input power into more efficient higher-voltage power. The low-voltage input is first rectified by a full-bridge rectifier, and then filtered by a low-pass filter. The filtered power is then used to drive the converter\'s power switch circuit, which in turn pulses the output voltage to the desired voltage.The power switch, usually a MOSFET, is driven by a pulse-width modulated signal, with duty cycle proportional to the output voltage. The output voltage is thereby regulated, and the inductors between the switch and output filter the high frequency current from the switch. By adjusting the duty cycle, the output voltage can be changed to the desired value when necessary.The REC3-053.3SRW/H4/C/SMD DC-DC converter is designed to address the specific requirements of safety equipment and automotive systems, offering high efficiency and low EMI in a compact package. Its full-bridge design and integrated EMI filter, coupled with its high-current capability, make it an ideal choice for such applications. With protective features such as OTP, OCP, and automatic system recovery, this converter is highly reliable and offers improved safety.

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