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UC3843BVD1R2G  

DC DC Switching Controllers

The UC3843BVD1R2G is a high-performance current mode controller from ON Semiconductor. It is specifically designed for use in off-line power supplies, DC-DC converters, and motor control applications.

Description:

The UC3843BVD1R2G is a monolithic integrated circuit that provides all the features required for a current mode control application. It includes a high voltage power MOSFET driver, error amplifier, current sense comparators, and protection circuits. The device is available in a thermally enhanced SOIC-8 package.

Features:

1. High voltage power MOSFET driver capable of driving N-channel MOSFETs with voltage ratings up to 600V.
2. Error amplifier with adjustable gain for precise regulation of the output voltage.
3. Current sense comparators for overcurrent and overtemperature protection.
4. Fixed or burst mode operation for improved efficiency and reduced electromagnetic interference (EMI).
5. Soft-start and programmable dead-time control for improved transient response and reduced audible noise.
6. Undervoltage lockout (UVLO) and overvoltage protection (OVP) for enhanced system reliability.
7. Thermal shutdown protection to prevent damage in the event of overheating.

Applications:

1. Off-line power supplies for computer and telecom equipment.
2. DC-DC converters for battery charging and power management in portable devices.
3. Motor control applications such as fans, pumps, and robotics.
4. LED lighting and display drivers.
5. Industrial control and automation systems.

The UC3843BVD1R2G is a versatile and high-performance controller that offers a range of features and protections to ensure reliable and efficient operation in a variety of applications. Its small footprint and thermally enhanced package make it an ideal choice for space-constrained designs.

UC3843BVD1R2G Documents

Download datasheets and manufacturer documentation for UC3843BVD1R2G

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