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STMicroelectronics 8-Pin PDIP 5-Channel Current Mode PWM Controller 500 kHz 30V UC3843BN
Specifications
| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Height | 3.32mm |
| Length | 10.92mm |
| Model | UC3843BN |
| Width | 6.6mm |
| Mount Type | Through Hole |
| Maximum Duty Cycle | 100% |
| Output Current | 1A |
| Maximum Operating Temperature | 150°C |
| Package Type | PDIP |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 5 |
| Output Voltage | 5.1V |
| Maximum Switching Frequency | 500kHz |
| Pin Count | 8 |
| Maximum Supply Voltage | 30V |
| PWM Controller Type | Current Mode |
| Current mode PWM controller IC,UC3843NBrand | STMicroelectronics |
Key Features
- The controller supports 5 output channels and operates in current mode for precise control.
- It features a maximum duty cycle of 100% to maximize power delivery efficiency.
- Operating temperature range is from -40°C to 150°C to ensure reliability under harsh conditions.
- The package is a through-hole PDIP type with 8 pins suitable for easy PCB mounting.
- Output voltage is nominally 5.1V with a maximum output current of 1A per channel.
- The device is optimized for isolated and non-isolated AC-DC and DC-DC switch mode power supplies.
- It includes comprehensive built-in protections for enhanced robustness and reliability in industrial applications.
- The compact physical dimensions are width 6.6mm, height 3.32mm, and length 10.92mm.
Product Description
STMicroelectronics UC3843BN is a high-performance 8-pin PDIP package pulse-width modulation (PWM) controller designed primarily for current mode control of power supplies. It operates at a maximum switching frequency of 500 kHz and supports up to 5 output channels, making it suitable for various isolated and non-isolated DC-DC and AC-DC converter topologies including fly-back, forward, and quasi-resonant types.
This PWM controller offers a 30V maximum supply voltage and can deliver an output voltage of 5.1V with a current capacity of up to 1A per output channel. The device maintains stable operation across a broad temperature range from -40°C to 150°C, which ensures robustness in industrial, laboratory, and manufacturing environments.
The UC3843BN integrates comprehensive protective features to enhance reliability during operation. Its through-hole PDIP 8-pin package allows straightforward mounting on printed circuit boards for easy integration into power management systems.
The physical dimensions of the device are compact, measuring 6.6mm in width, 3.32mm in height, and 10.92mm in length, facilitating efficient space utilization in electronic assemblies.
Current mode control PWM controller with 5 outputs. Maximum switching frequency of 500 kHz for high-efficiency power conversion. Wide operating temperature range from -40°C to 150°C for industrial application suitability.
Through-hole 8-pin PDIP package for easy PCB installation. Maximum duty cycle of 100%, allowing maximum power throughput. Maximum supply voltage of 30V with 5.1V output voltage and 1A output current. Suitable for isolated and non-isolated switch mode power supplies (SMPS).
Includes enhanced protection features for operational reliability.
This PWM controller is ideal for integration in industrial power management solutions, automated control systems, and robust electronic equipment where regulatory compliance and performance are required. Complete your electronic designs with this trusted component from STMicroelectronics, available now at EnvMart.
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Frequently Asked Questions
The maximum switching frequency of this model is 500 kHz, allowing for efficient power conversion in various applications.
It provides a nominal output voltage of 5.1V with a maximum output current of 1A per channel.
The UC3843BN operates within a temperature range of -40°C to 150°C, ensuring reliability in harsh environments.
This PWM controller supports up to 5 output channels, making it versatile for different power supply configurations.
It is packaged in a through-hole PDIP type with 8 pins, suitable for easy mounting on printed circuit boards.
The maximum supply voltage for the UC3843BN is 30V, allowing it to handle a variety of power supply applications.
The maximum duty cycle is 100%, which maximizes power delivery efficiency in applications.
The dimensions are 6.6mm in width, 3.32mm in height, and 10.92mm in length, allowing for efficient space utilization.
It is optimized for both isolated and non-isolated AC-DC and DC-DC switch mode power supplies, including various topologies.
The controller includes comprehensive built-in protections to enhance robustness and reliability during operation.
The UC3843BN is manufactured in India, ensuring compliance with regional manufacturing standards.
It is a current mode PWM controller, which allows for precise control in power management applications.
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