Overview
The UC2846N/80374 is a versatile switching controller produced by Unitrode, now part of Texas Instruments. This integrated circuit is designed for use in a variety of power supply topologies, including boost, flyback, forward, full-bridge, half-bridge, and push-pull converters. It is known for its high performance and flexibility, making it a popular choice in power management applications.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | UC2846N/80374 |
| Manufacturer | Unitrode |
| Voltage - Supply (Vcc/Vdd) | 6.95V ~ 40V |
| Topology | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| Switching Frequency | 500 kHz |
| Duty Cycle (Max) | 50% |
| Synchronous Rectifier | Yes |
| Output Type | Transistor Driver |
| Number of Outputs | 2 |
| Output Phases | 1 |
| Output Configuration | Positive |
| Function | Step-Up, Step-Up/Step-Down |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
| Control Features | Current Limit, Enable, Frequency Control, Soft Start |
| Clock Sync | Yes |
Key Features
- High switching frequency of 500 kHz, allowing for efficient power conversion.
- Support for multiple topologies including boost, flyback, forward, full-bridge, half-bridge, and push-pull converters.
- Maximum duty cycle of 50% for flexible control over the output.
- Synchronous rectifier capability for improved efficiency.
- Transistor driver output type with two outputs.
- Operating temperature range from -40°C to 85°C, making it suitable for a wide range of environments.
- Through-hole mounting for easy integration into various designs.
- Control features include current limit, enable, frequency control, and soft start, enhancing the reliability and performance of the power supply.
- Clock synchronization capability for synchronized operation in multi-phase systems.
Applications
The UC2846N/80374 is widely used in various power supply applications, including:
- Switch-mode power supplies (SMPS) for consumer electronics, industrial equipment, and medical devices.
- DC-DC converters in automotive systems, telecommunications, and data centers.
- High-efficiency power conversion in renewable energy systems, such as solar and wind power.
- Power management in embedded systems and IoT devices.
Q & A
- What is the UC2846N/80374 used for?
The UC2846N/80374 is a switching controller used in various power supply topologies such as boost, flyback, forward, full-bridge, half-bridge, and push-pull converters. - What is the switching frequency of the UC2846N/80374?
The switching frequency of the UC2846N/80374 is 500 kHz. - What is the maximum duty cycle of the UC2846N/80374?
The maximum duty cycle is 50%. - Does the UC2846N/80374 support synchronous rectification?
Yes, it supports synchronous rectification. - What is the output type of the UC2846N/80374?
The output type is transistor driver. - How many outputs does the UC2846N/80374 have?
It has two outputs. - What is the operating temperature range of the UC2846N/80374?
The operating temperature range is from -40°C to 85°C. - What are the control features of the UC2846N/80374?
The control features include current limit, enable, frequency control, and soft start. - Does the UC2846N/80374 support clock synchronization?
Yes, it supports clock synchronization. - What is the package type of the UC2846N/80374?
The package type is 16-DIP (0.300", 7.62mm). - What are some common applications of the UC2846N/80374?
Common applications include switch-mode power supplies, DC-DC converters, high-efficiency power conversion in renewable energy systems, and power management in embedded systems and IoT devices.
