V375B2H100BN

Current - Output (Max):	50A
Base Part Number:	V375B2H100
Size / Dimension:	2.28" L x 2.20" W x 0.50" H (57.9mm x 55.9mm x 12.7mm)
Package / Case:	9-DIP Module
Mounting Type:	Through Hole
Efficiency:	74.6%
Operating Temperature:	-40°C ~ 100°C
Features:	OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	100W
Series:	MINI
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	2V
Voltage - Input (Max):	425V
Voltage - Input (Min):	250V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC DC Converters

A DC-DC converter is a type of power electronic device that converts a direct current (DC) input voltage to a different DC output voltage. DC-DC converters are used in a wide variety of applications, from converting electrical power in consumer and automotive applications to providing regulated voltage and current for industrial and military purposes. Out of the many DC-DC converter variants, one of the most popular is the V375B2H100BN.

V375B2H100BN Application Field

The V375B2H100BN is a synchronous buck converter with built-in control loop and bias supply, capable of delivering up to 100W of power with a high efficiency and low ripple. It features a wide 4.5V to 19V input range and is suitable for applications such as medical, telecom, industrial, and automotive systems. With its flexible design and improved performance, the V375B2H100BN offers an easy and cost-efficient way to power any system requiring a voltage step-down from a higher source.

V375B2H100BN Working Principle

The V375B2H100BN employs synchronous rectification topology, a specialized type of Buck converter, for its power conversion. To regulate the output voltage, the V375B2H100BN implements a Standard Control Loop, composed of a voltage Error Amplifier (EA) and a Pulse Width Modulator (PWM). The EA monitors the output voltage and compares it to a reference voltage to generate the current sense signal that is input to the PWM. The PWM then adjusts the duty cycle of the switches in the converter in order to correct any voltage deviations. The V375B2H100BN also features a built-in Current Mode Control Loop, which provides additional control of the convergence speed of the output voltage by compensating for transient current demands in the converter. The Current Mode Control Loop senses the output voltage and the output current and adjusts the duty cycle of the switches in order to quickly and efficiently converge to the desired output voltage. The V375B2H100BN is also equipped with a novel Dynamic Phase Shedding (DPS) feature, which uses a combination of both the Voltage and Current Mode Control loops to reduce the input current ripple without increasing the output voltage ripple. When the output current demand is high, DPS rapidly adjusts the switching frequency of the converter to a much lower level, thus reducing the input current ripple. This ensures that the converter remains efficient and that the system is supplied with clean power, while the output voltage remains within a close tolerance.

Conclusion

The V375B2H100BN is a highly efficient DC-DC synchronous buck converter with specialized control loops, offering increased flexibility and improved performance for a wide variety of applications. With advanced features such as Dynamic Phase Shedding, the V375B2H100BN offers an efficient and cost-effective solution for any system that requires a voltage step-down from a higher source.

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