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Texas Instruments 8-Pin PDIP 5-Channel Current Mode PWM Controller 500kHz 125V UC3844N
Specifications
| Country of Origin | Mexico |
|---|---|
| Brand | Texas Instruments |
| Height | 4.57mm |
| Length | 9.81mm |
| Model | UC3844N |
| Width | 6.35mm |
| Mount Type | Through Hole |
| Maximum Duty Cycle | 50% |
| Series | UC |
| Output Current | 1A |
| Maximum Operating Temperature | 70°C |
| Package Type | PDIP |
| Minimum Operating Temperature | 0°C |
| Number of outputs | 5 |
| Output Voltage | 5.2V |
| Maximum Switching Frequency | 500kHz |
| Pin Count | 8 |
| Maximum Supply Voltage | 125V |
| Minimum Supply Voltage | -55V |
| Supply Current | 4mA |
| PWM Controller Type | Current Mode |
Key Features
- Operates at a maximum switching frequency of 500 kHz for efficient power regulation.
- Features a supply current of only 4 mA making it low power consumption.
- Outputs a voltage of 5.2 V and output current up to 1 A for driving PWM signals.
- Constructed in an 8-pin PDIP package suitable for through hole mounting.
- Supports a maximum duty cycle of 50% for precise control.
- Operational temperature range from 0°C to 70°C ensures reliability in various environments.
- Current mode PWM controller with 5 output channels optimized for flyback and isolated power supplies.
- Primary-Side Regulation eliminates the need for an optocoupler improving system simplicity.
Product Description
Texas Instruments UC3844N is a high-performance 8-pin PDIP packaged 5-channel PWM controller designed for precise power management in switch mode power supplies and industrial applications. This current mode controller operates at a maximum switching frequency of 500 kHz, offering fast transient response and stable voltage and current output regulation.
With a low supply current of 4 mA and output capabilities of 5.2 V at 1 A, it is ideal for driving PWM signals in power systems that require efficient and reliable control. The device supports a maximum duty cycle of 50%, enabling it to maintain accurate power conversion. Its wide operating temperature range from 0°C to 70°C suits various industrial and commercial environments.
The controller is housed in a through hole mount 8-pin PDIP package with compact dimensions of 9.81 mm length, 6.35 mm width, and 4.57 mm height. It features primary-side regulation to eliminate the need for extraneous components like optocouplers, simplifying design and enhancing system robustness.
This PWM controller belongs to the UC series from Texas Instruments and is manufactured in Mexico. It is widely used in flyback converters, isolated power supply systems, industrial automation, and other electronic control applications.
Operates with a maximum switching frequency of 500 kHz. Low supply current of 4 mA reduces power loss. Provides output voltage of 5.2 V with 1 A output current capability. Through hole mounted 8-pin PDIP package for easy PCB assembly.
Supports up to 50% maximum duty cycle for controlled power delivery. Wide operational temperature range from 0°C to 70°C. Primary-side regulation removes need for optocouplers, simplifying systems. Explore more PWM Controllers and power management ICs in the Electronics & Electricals category at EnvMart.
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Frequently Asked Questions
The UC3844N operates at a maximum switching frequency of 500 kHz, allowing for efficient power regulation.
It provides an output voltage of 5.2 V and can deliver an output current of up to 1 A.
The supply current for this model is only 4 mA, contributing to low power consumption.
The UC3844N supports a maximum duty cycle of 50%, which allows for precise control of power delivery.
This PWM controller has dimensions of 9.81 mm in length, 6.35 mm in width, and 4.57 mm in height.
The operational temperature range for the UC3844N is from 0°C to 70°C, making it suitable for various environments.
It is housed in an 8-pin PDIP package, designed for through-hole mounting.
This model features 5 output channels, optimized for current mode control.
It is widely used in flyback converters and isolated power supply systems, as well as in industrial automation applications.
Primary-side regulation eliminates the need for optocouplers, simplifying the design and enhancing system robustness.
The minimum supply voltage is -55V and the maximum supply voltage is 125V.
The UC3844N is part of the UC series from Texas Instruments.
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