V28A12C200BN

Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	9V
Voltage - Input (Max):	36V
Voltage - Output 1:	12V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	16.67A
Power (Watts):	200W
Voltage - Isolation:	3kV
Applications:	ITE (Commercial)
Features:	OVP, UVLO
Operating Temperature:	-20°C ~ 100°C
Efficiency:	83%
Mounting Type:	Through Hole
Package / Case:	Full Brick
Size / Dimension:	4.60" L x 2.20" W x 0.54" H (116.8mm x 55.9mm x 13.7mm)
Series:	Maxi
Packaging:	Bulk
Part Status:	Active

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Overview

DC-DC converters are electronic devices used to convert a DC input voltage to a different DC voltage level. The V28A12C200BN is a particularly efficient and cost-effective DC-DC converter designed to provide a continuous output voltage of 12V at 24A from an input voltage of 28VDC. This device is designed for demanding applications requiring optimum efficiency and reliable performance.

Introduction

The V28A12C200BN DC-DC converter is designed for applications requiring rugged and reliable operation in high ambient temperatures and harsh environments such as those found in the telecommunications, industrial control, and automotive markets. This device can also be used as a constant voltage and current source for a variety of applications including instrumentation, laboratory and test equipment, and distributed power systems.

Technical Details

Construction

The V28A12C200BN is a fully-protected, highly efficient, and cost-effective DC-DC power converter designed for 1/4 brick and 1/8 brick modules to facilitate optimal installation. The V28A12C200BN is comprised of a low-noise switching circuit with a field-effect transistors (FETs) as the main switch and a shielded inductor, along with the necessary input/output filtering components. The device also features a 4-layer printed circuit board (PCB) for increased power conversion efficiency and a robust case for enhanced thermal performance.

Working Principle

The V28A12C200BN operates with a switch-mode topology by controlling the switching pulse width modulation (PWM) of the primary side power switch. During each cycle, the power switch is turned on and off according to the duty cycle set by the control circuit, allowing the inductor to store energy. During the ON cycle, the input voltage is transferred to the output through the power switch and the energy stored in the inductor is converted to a DC voltage of 12V at 24A. During the OFF cycle, the energy is recovered from the output through a power diode, allowing the input voltage to be transferred to the output, enabling the transfer of power to the load.

Protection Features

The V28A12C200BN is designed with a suite of protection features that help protect the device from damage caused by short circuits, excessive input/output voltages, and over-temperature conditions. The device is equipped with a noise filter to reduce electromagnetic interference (EMI) and an adjustable soft-start feature to protect against inrush current surges. The V28A12C200BN also has an integrated over-temperature protection (OTP) feature that shuts down the output when it detects a temperature above its specified operating range.

Applications

The V28A12C200BN is suitable for use in a variety of applications, including telecommunications, industrial automation, automotive, and commercial sectors. The device can be used in applications such as distributed power systems, base station power supplies, motor control systems, and high-power instrumentation.

Conclusion

The V28A12C200BN DC-DC power converter is a reliable and cost-effective solution for applications requiring rugged performance in harsh environments. The device is designed to provide a continuous output voltage of 12V at 24A from an input voltage range of 28VDC, and features a suite of protection features to ensure safe and reliable operation. The V28A12C200BN is suitable for use in a variety of applications, from distributed power systems to motor control systems.

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