ON UC2843BD1R2G

Part points

• The UC2843BD1R2G chip is an integrated circuit that belongs to the UCx84x family of PWM controllers. It is specifically designed for controlling power electronics applications such as switch-mode power supplies. The chip offers various features like adjustable frequency operation, precise regulation, and cycle-by-cycle current limit. With its compact size and advanced functionality, the UC2843BD1R2G chip provides efficient and reliable control for power conversion systems.

• Equivalent

  Some equivalent products of the UC2843BD1R2G chip include the UC2843D8, UC2843DTRG4, UC2843D1, and UC2843AD8. These chips are similar in performance and functionality, and can be used as alternatives to the UC2843BD1R2G.

• Features

  The UC2843BD1R2G is a high-performance, current-mode PWM controller with integrated features such as a fixed frequency oscillator, error amplifier, precision reference, and a high-current totem pole output. It offers excellent line and load regulation, as well as adjustable frequency and soft-start capabilities.

• Pinout

  The UC2843BD1R2G is a 8-pin PWM controller IC. It is used in power supply applications to regulate the output voltage. The pin functions are as follows: Pin 1 (CS) is the current sense input, Pin 2 (GND) is the ground connection, Pin 3 (VFB) is the feedback voltage input, Pin 4 (Output) is the output voltage, Pin 5 (VCC) is the supply voltage input, Pin 6 (RT/CT) is the timing resistor (RT) or timing capacitor (CT) connection, Pin 7 (RT/CT) is the timing resistor (RT) or timing capacitor (CT) connection, and Pin 8 (Comp) is the compensation capacitor connection.

• Manufacturer

  The UC2843BD1R2G is manufactured by ON Semiconductor. ON Semiconductor is a multinational company that designs and produces a wide range of semiconductor devices, including power management chips like the UC2843BD1R2G. The company's products are used in various industries, including automotive, consumer electronics, industrial, and medical.

• Application Field

  The UC2843BD1R2G is a pulse width modulation (PWM) controller IC that is commonly used in switch mode power supplies (SMPS) and battery chargers. It is designed for applications that require a regulated output voltage, such as power adapters, LED drivers, and automotive electronics. Additionally, it can be used in industrial control systems, telecommunications equipment, and other low power applications.

• Package

  The UC2843BD1R2G chip is available in a SOIC-8 package with a narrow body (D) and a tape and reel packaging. The chip's dimensions are approximately 6.2 mm x 4.9 mm x 1.75 mm.