UC2843BD1013TR Integrated Circuits (ICs)

Frequency - Switching:	Up to 500kHz
Base Part Number:	UC2843B
Supplier Device Package:	8-SO
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-25°C ~ 85°C (TA)
Control Features:	Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	96%
Series:	--
Voltage - Supply (Vcc/Vdd):	7.6 V ~ 30 V
Output Phases:	1
Number of Outputs:	1
Topology:	Boost, Flyback
Output Configuration:	Positive
Function:	Step-Up, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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

UC2843BD1013TR Application Field and Working Principle

The UC2843BD1013TR is an integrated circuit used as a DC to DC switching controller, which can be employed in numerous analog and digital systems. This chip operations in a current-mode control configuration and is capable of regulating peak current when switching a supply to ground or vice versa.The UC2843BD1013TR is a larger chip, with a wide range of operating power, from 4.75 to 40 volts. Its control circuitry ensures that current runs through the circuit with high efficiency, making it ideal for a host of power applications. Its rugged construction is suited for high-noise environments, such as motor applications.The UC2843BD1013TR is a versatile circuit, with a number of application fields. It can be used in any system that requires energy conversion from a DC source to a load. It can be used to regulate the output from AC to DC converters, transistors and other power management circuits. It can also be used in high-power DC to DC converters and inverters. The chip can be integrated into other circuits as well, such as powering electric motors, DC lighting systems and solar panels. The UC2843BD1013TR operates according to the integrated circuit\'s current feedback control mode. The chip utilizes a direct linear current feedback through a feedback loop. The chip serves two primary functions — to monitor the measured current and adjust the switching duty cycle. The core of the chip is composed of several components. It consists of an error amplifier that seeks to maintain an output voltage equal to the reference voltage. The chip also includes a peak current limit set to maintain a constant output voltage. This is done by changing the on-time of the switching. By setting this peak current, it prevents the device from drawing more power that it requires.Finally, the chip also includes a PWM logic block. This region is in charge of generating the logic signals for the power switch. A voltage-controlled oscillator is used to obtain the necessary precision in the frequency of these signals.In conclusion, the UC2843BD1013TR is an integrated circuit mainly used as a DC to DC switching controller. It is capable of regulating peak current when switching a supply to ground or vice versa. It is a rugged chip with a wide range of operating power and is suitable for use in a variety of systems and applications. Thanks to its control operation mode and its several core components, it is able to maintain an output voltage equal to the reference voltage, while limiting power consumption.

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

Part Number	Manufacturer	Price	Quantity	Description