UC2842AM

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The UC2842AM is a control device used for pulse width modulation (PWM) applications. It is designed for high performance, high frequency DC/DC regulation. The UC2842AM operates using an integrated low-power voltage-regulator that powers the device, enabling operation in the absence of system power. Additionally, the UC2842AM provides the necessary circuits for peak current mode control and pulse-by-pulse current limiting.

The UC2842AM is capable of providing a wide range of output voltages and currents. The available output voltages range from 0V to 45V, with a maximum output current that is twice the unit\'s input voltage. This output range makes the IC ideal for applications that require high power, either intermittent or continuous.

The UC2842AM also provides an adjustable time-base that can be used to precisely determine the PWM switching frequency. Furthermore, it offers an adjustable dead-time to reduce switching losses, and an enable/disable pin to control system standby. The low-power voltage regulator is capable of providing the necessary current to the main chip to allow operation at low input voltages.

Working Principle.

The UC2842AM is a peak current mode PWM switching regulator that uses the pulse width modulation method for regulation. The device senses and controls variations in the output current by varying the pulse widths of the corresponding voltage source signal. The UC2842AM operates with a high frequency signal, typically in the range of hundreds of kHz, in order to reduce the effects of input ripple currents.

The UC2842AM also has an internal clock that can be used to generate the PWM signal. This clock can be adjusted by the user to obtain optimum performance by diverting more current from the input source. The UC2842AM also has an Enable Pin which can be used to shut down the system and reduce power consumption when the system is not in use.

The UC2842AM also has several additional features that make it ideal for many applications. The most important of these features are the internal temperature compensation, peak current limiting, pulse-by-pulse current limiting, and over-voltage protection. These features ensure that the IC will maintain stability even under varying load and temperature conditions.

The UC2842AM is ideal for a variety of applications. It can be used for low-noise dc-dc conversion, as well as isolated dc-dc conversion and isolated ac-dc power supplies. It can be used as a controller for buck, boost, and flyback converters, and has been shown to provide good performance in motor control applications. Furthermore, its low noise and adjustable duty cycle, makes it a great choice for portable applications.

In summary, the UC2842AM is an ideal choice for applications requiring a high performance and high frequency DC/DC regulator. With its wide output range, adjustable frequency, low power consumption, and additional features, it can be used in a wide range of applications.

The specific data is subject to PDF, and the above content is for reference