MC34067DWG

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The MC34067DWG is a switching controller manufactured by ON Semiconductor. This device is designed for uses in any application that requires a voltage regulator, such as voltage control in power supplies and step-down converters. The MC34067DWG is a monolithic integrated circuit (IC) with a dual-channel switch, which can be used for both isolated and non-isolated applications. It has an operating temperature range from -40°C to 85°C and can output current up to 1.5A.

Features

• 2-channels (A & B), dual-channel switching regulator
• Input voltage range: 2.7–38 V
• Output voltage range: 0.8–37 V
• Output current up to 1.5 A
• Frequency range: 0.25–20 kHz
• Operating temperature range: -40°C to 85°C
• High voltage supply range: 10–38 V
• Low voltage supply range: 2.7–5.5 V

Application Field

The MC34067DWG is suitable for any device that requires regulated power. It is ideal for powering low power boards, or systems that need an adjustable output voltage. It can be used in a variety of applications, such as step-down converters, dc-to-dc switching converters, power supplies, and motor control circuits.

The MC34067DWG switching controller is also suitable for battery-powered applications, as it can be used to provide adjustable output voltages without the need for additional external components. Additionally, it is suitable for applications that require a wide variation in temperature and operating voltage, such as automotive, industrial, and medical systems.

Working Principle

The MC34067DWG is a dual-channel switching regulator that works using pulse width modulation (PWM). It is designed to provide an adjustable output voltage by switching a load on and off rapidly. This is achieved by changing the duty cycle of the PWM signal, which changes the average voltage of the output. The controller can also be used to regulate current by measuring the current at the output and modifying the duty cycle accordingly. Additionally, it can be used to control the speed of a motor by changing the duty cycle in proportion to the speed of the motor.

The MC34067DWG has two channels, A and B, which can be used independently or in combination. In order to ensure safe operation, the device also includes an integrated fault detection circuit that monitors the output voltage and current. If the MC34067DWG detects a fault, it will shut down the output until the fault is cleared.

The MC34067DWG switching controller is an ideal choice for applications that require a high level of accuracy and reliability. It is easy to use and can be configured quickly and easily using the on-chip software. Additionally, it is designed with a wide range of parameters to suit any specific application.

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