V28B3V3M75BL

Current - Output (Max):	22.73A
Base Part Number:	V28B3V3M75
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:	77.7%
Operating Temperature:	-55°C ~ 100°C
Features:	OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	75W
Series:	MINI
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	36V
Voltage - Input (Min):	9V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Bulk

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DC-DC converters are devices that convert a DC voltage to a different DC voltage. The V28B3V3M75BL is a type of DC-DC converter that allows for a range of input voltages which can be used to power a variety of applications. In this article, we\'ll explore the V28B3V3M75BL\'s application field and working principle.

Application Field

The V28B3V3M75BL is a step down power converter capable of converting an input voltage between 4.5 and 28V DC to an output of 3.3V DC at up to 7.5A. This device is ideal for powering microcontrollers, FPGAs, DSPs, and other digital electronic equipment requiring a 3.3V DC supply. It can also be used with a variety of battery-driven systems such as mobile phones, tablets, MP3 players, and other portable electronic devices. The V28B3V3M75BL is a highly efficient converter, boasting an efficiency of up to 95%. This efficiency is achieved through careful component selection and design, which allows the device to use up to 30% less power than other converters. The device is compact and lightweight, making it easy to integrate into a variety of designs. It also operates silently due to its lack of fans or other moving parts.

Working Principle

The V28B3V3M75BL uses a switching regulator to convert the input voltage to the desired output voltage. In this type of device, a pair of semiconductor switches are used to rapidly switch the input voltage on and off. This creates a square wave, which is then filtered and regulated to produce the desired output voltage. At the heart of the device is a controller chip which monitors the output voltage and adjusts the switching times of the semiconductor switches accordingly. This allows for tight voltage regulation and fast load transient response times. The V28B3V3M75BL also includes additional features such as over-current protection, over-voltage protection, short-circuit protection, and thermal shut-down. These features help to ensure that the device operates safely and reliably.

Conclusion

The V28B3V3M75BL is a high efficiency step-down power converter capable of converting input voltages ranging from 4.5 to 28V DC to an output of 3.3V DC. It is ideal for powering microcontrollers, FPGAs, DSPs, and other digital electronic equipment. The device is also highly efficient and features overcurrent, overvoltage, short-circuit, and thermal shut-down protection.

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