SUCS1R5053R3B

Current - Output (Max):	400mA
Supplier Device Package:	--
Size / Dimension:	0.88" L x 0.50" W x 0.28" H (22.4mm x 12.7mm x 7.0mm)
Package / Case:	5-SMD Module, Gull Wing
Mounting Type:	Surface Mount
Efficiency:	68%
Operating Temperature:	-40°C ~ 85°C (With Derating)
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	500V
Power (Watts):	1.3W
Series:	SUCS
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	9V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active

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DC DC Converters

A DC/DC converter is a type of power electronics device that converts a direct current (DC) input voltage to a direct current (DC) output voltage of a different magnitude. This conversion process is known as DC-to-DC conversion and is employed in a wide range of electronics applications. DC/DC converters can range from simple fixed-voltage step-down (Buck converters) and step-up (Boost converters) to more complex regulated (Switched Mode Power Supplies) converters with numerous outputs of various voltages, frequences and current requirements. In addition to providing efficient conversion, DC/DC converters also provide protection from overloads, over-voltages and some forms of EMI (electro-magnetic interference) that could otherwise damage electronic components. The most advanced DC/DC converters are capable of precisely controlling the output voltage to an accuracy of 0.01%.One of the common DC/DC converters used in many applications is the SUCS1R5053R3B converter. This converter is a low-profile 28V Voltage Regulation Module (VRM) that provides a steady output voltage from an input voltage of up to 38V DC. It features a wide input voltage range, low dropout voltage and high efficiency to ensure reliable, long-term operation in demanding applications. It complies with the “Measurement Category IV” rating, making it suitable for automotive applications in the powertrain, chassis and body systems. The SUCS1R5053R3B converter is powered by a switching regulator that is capable of providing up to a maximum output current of 1.5A. The switching regulator is designed to continuously adjust the output voltage in order to maintain a desired voltage level in the presence of varying load and input voltage conditions. This is known as “regulation”. The output voltage is continuously monitored and the current delivered is adjusted in order to maintain the desired level. To prevent undesired spikes or dips in the output voltage due to sudden changes in load conditions, the switching regulator is “pulsed width modulated” (PWM). This type of technique rapidly cycles the output voltage between a higher and lower voltage in order to average out the desired output voltage over time. The input of the SUCS1R5053R3B converter is protected from overvoltage conditions using an internal overvoltage protection (OVP) circuit. This circuit senses the input voltage and prevents it from exceeding the specified operating limits, thereby ensuring reliable operation of the converter. The input also utilizes a “undervoltage lockout” (UVLO) circuit which prevents the output from delivering current until the input voltage is greater than the minimum threshold voltage. This prevents the converter from delivering current at levels below the specified operating limits.The SUCS1R5053R3B converter also features a “hiccup” mode self-resetting circuit breaker which protects the output from any overloads or short-circuits. This circuit breaker detects any overload conditions and momentarily shuts off the output voltage to protect the converter from excessive current. This circuit breaker will then reset itself after a brief period, allowing the converter to continue operating as normal.The SUCS1R5053R3B converter provides a highly reliable and accurate DC/DC power conversion solution for a wide range of applications. It can be used in a variety of applications such as automotive, medical, industrial, telecommunications, and consumer electronics. It is also suitable for use in battery powered devices and applications that require a robust, high efficiency power supply. In addition, the SUCS1R5053R3B converter incorporates numerous safety features to ensure reliable operation and provide improved system performance.

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