ON Semiconductor UC3845BVD1R2G Product Overview

The UC3845BVD1R2G is a high-performance current mode pulse width modulator (PWM) controller from ON Semiconductor, designed to deliver precision power control in a wide range of switching power supplies and converters. This integrated circuit is tailored for applications requiring efficient, reliable power management solutions, such as switch-mode power supplies (SMPS), DC-DC converters, battery chargers, and LED drivers.

Key Features

• High Performance: The UC3845BVD1R2G operates at a fixed frequency of up to 500kHz, allowing for smaller-sized components and reduced power losses, thereby enhancing the overall efficiency of the power supply design.
• Improved Accuracy: Equipped with a precision reference trimmed for accuracy at the error amplifier input, the device provides a stable and accurate output control.
• Versatility: The wide operating range of this PWM controller supports input voltages necessary for a variety of applications, making it a versatile choice for designers.
• Protection Features: The device includes an array of protection features such as under-voltage lockout (UVLO), over-current protection (OCP), and a latch for single pulse metering, ensuring reliable operation under adverse conditions.

Applications

The UC3845BVD1R2G is suitable for a diverse set of applications, including:

• AC-DC and DC-DC power supplies
• Off-line converters
• Forward and flyback regulators
• LED Lighting systems
• Telecommunications equipment

Package and Quality

ON Semiconductor packages the UC3845BVD1R2G in a compact 8-pin SOIC format, which is ideal for space-constrained applications. The device is also available in tape and reel packaging, facilitating efficient assembly during mass production. As with all ON Semiconductor products, the UC3845BVD1R2G is manufactured to meet stringent quality standards, ensuring high reliability and performance consistency.

With its combination of features, the UC3845BVD1R2G from ON Semiconductor stands as a robust solution for designers looking to optimize their power supply systems with a reliable, high-performance PWM controller.