ON UC3844BVDG

Part points

• The UC3844BVDG is a control IC chip designed for power supply applications. It provides necessary functions for controlling and regulating output voltage, current, and power in various circuits. The chip uses voltage mode control with pulse width modulation (PWM) and includes features like overvoltage protection, undervoltage lockout, and soft start. It is commonly used in offline and DC-DC converter circuits.

• Equivalent

  The equivalent products of the UC3844BVDG chip include the UC3844VD, UC3844AQ, UC3844N, UC3844AD, UC3844BD1R2G, UC3844BDG, UC3844D1R2G, UC3844AN, and UC3844P.

• Features

  The UC3844BVDG is a high-performance current-mode PWM controller that features a frequency range up to 500 kHz, voltage feed-forward compensation, an internally trimmed oscillator, soft-start, and cycle-by-cycle current limiting. It also incorporates an undervoltage lockout with hysteresis, a 50 ns start-up time, and a high-current totem pole output.

• Pinout

  The UC3844BVDG is a PWM controller IC with a pin count of 8. The pins include VCC, GND, FB/Comp, CS, RT/CT, EN/UVLO, output, and output. The IC is typically used for controlling power supplies and converters.

• Manufacturer

  The manufacturer of the UC3844BVDG is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures integrated circuits for a wide range of applications, including analog and digital signal processing, microcontrollers, and power management.

• Application Field

  The UC3844BVDG is a high-performance current-mode PWM controller used in various applications such as power supplies, battery chargers, LED lighting, and motor control. It provides for enhanced stability, accuracy, and protection features, making it suitable for multiple power management applications.

• Package

  The UC3844BVDG chip is available in a surface-mount package type known as SOIC (Small Outline Integrated Circuit). Its form is rectangular and it measures approximately 5.3mm x 6.4mm.