MC34268D

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Applications:	Converter, SCSI-2
Voltage - Input:	15V
Number of Outputs:	1
Voltage - Output:	2.85V
Operating Temperature:	0°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	MC34268

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Introduction

The MC34268D is a high precision, low quiescent current field-programmable IC which contains two synchronous DC-DC controllers and two integrated MOSFETs. This integrated solution is designed to provide both power supply and controller flexibility with a very low power consumption design. The MC34268D can be used in various applications and can be configured in a variety of options to provide a wide range of voltage regulation solutions.

Application Field

The MC34268D can be used for a variety of applications, including power supplies for mobile devices, remote monitoring solutions, and communications systems. It offers a wide range of adjustable voltages and currents for applications requiring control of multiple voltage rails. In mobile applications, the MC34268D can be used to provide precise, high-efficiency power conversion. It is capable of providing peak output currents of up to 7A with a maximum output voltage of 10V. The adjustable output voltage and current can be programmed and then adjusted remotely via an I2C interface.The MC34268D is also ideal for remote monitoring solutions. It offers a variety of configurable monitoring options, such as undervoltage, overvoltage, and overcurrent protection. It also features an input voltage sensing feature for remote systems, allowing it to sense input voltage and then adjust the output voltage accordingly to compensate for line drops. Finally, The MC34268D is perfect for communications systems. It is capable of providing a clean and stable 5V supply, while also allowing for easy configuration and advanced monitoring capabilities. The MC34268D also supports adjustable output voltage and current, allowing communications systems to optimize power use in response to different operating conditions.

Working Principle

The MC34268D is a field-programmable integrated power controller and MOSFET. It contains two synchronous DC-DC controllers and two integrated MOSFETs. The two synchronous DC-DC controllers work in an open loop configuration to efficiently regulate output voltage. They are also able to provide very accurate current and voltage regulation, resulting in minimal power consumption and excellent load transient response.The two integrated MOSFETs provide a low impedance path for the output current, allowing for high precision current control and a low power consumption design. The MOSFETs are also designed for efficient switching and minimal conduction losses.To further improve system efficiency, the MC34268D has an adjustable high-frequency switching frequency and voltage scaling feature. This allows for the user to adjust the switching frequency and voltage scaling to maximize efficiency in different applications. It also supports a variety of power saving features such as synchronized start-up and low quiescent current.Finally, the power controller and MOSFET of the MC34268D can be configured via an I2C bus interface. This allows for a wide range of configuration options, allowing the user to tailor the solution to the needs of their application.

Conclusion

The MC34268D is a highly flexible, low power consuming field

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