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Texas Instruments 8-Pin SOIC PWM Controller 500 kHz 125V Current Mode UC3842AD8
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 1.58mm |
| Length | 4.9mm |
| Model | UC3842AD8 |
| Width | 3.91mm |
| Mount Type | Surface |
| Maximum Duty Cycle | 100% |
| Series | UC |
| Output Current | 1A |
| Maximum Operating Temperature | 70°C |
| Package Type | SOIC |
| Minimum Operating Temperature | 0°C |
| Number of outputs | 1 |
| Output Voltage | 5.2V |
| Maximum Switching Frequency | 500kHz |
| Standards/Approvals | RoHS |
| Pin Count | 8 |
| Maximum Supply Voltage | 125V |
| Minimum Supply Voltage | -55V |
| Supply Current | 4mA |
| PWM Controller Type | Current Mode |
Key Features
- Maximum switching frequency is 500 kHz for high-speed PWM control.
- Surface mount SOIC package with 8 pins for easy PCB integration.
- Maximum supply voltage of 125V supports a wide range of power applications.
- Current mode PWM controller with 1A output current.
- Operating temperature range from 0°C to 70°C for reliable performance.
- Low supply current of 4mA reduces power consumption.
- RoHS compliant design ensures environmental friendliness.
- Peak duty cycle of 100% allows maximum power delivery.
Product Description
Texas Instruments UC3842AD8 is an 8-pin SOIC surface mount PWM controller designed for power management applications requiring efficient switching performance at 500 kHz frequency and a maximum supply voltage of 125V. It operates on current mode control providing precise current regulation for flyback converters. The device is designed to improve transient response with constant voltage and current output regulation while eliminating the need for optocoupler isolation by using primary-side regulation.
This controller features a low supply current of 4mA and output current capacity of up to 1A. It supports a wide operating temperature range from 0°C to 70°C, making it suitable for industrial and consumer electronics. The compact SOIC package (8-pin) measures 4.9mm in length, 3.91mm in width, and 1.58mm in height, facilitating efficient space usage on PCB designs.
The UC3842AD8 series is RoHS compliant, aligning with modern environmental safety standards. It supports a maximum duty cycle of 100%, suitable for applications where full power delivery is required. Typical use cases include power supplies in industrial machines, laboratory equipment, and consumer electronics where reliable and efficient power control is critical.
High-frequency switching at 500 kHz ensures efficient power conversion. Compact 8-pin SOIC surface mount enables easy PCB integration. Wide maximum supply voltage of 125V supports diverse applications. Low supply current of 4mA improves energy efficiency.
Operating temperature range from 0°C to 70°C ensures device reliability in varied environments. RoHS compliance guarantees adherence to environmental regulations. Primary-side regulation optimizes transient load response without optocouplers.
Current mode control provides stable PWM output performance. Peak duty cycle of 100% allows maximum power handling when needed. Explore more power management solutions from Texas Instruments and browse related controllers at EnvMart for industrial and electronics design requirements.
Explore more products in our Power Management ICs category.
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Frequently Asked Questions
The maximum switching frequency of the UC3842AD8 is 500 kHz, allowing for high-speed PWM control in power management applications.
It has an output current capacity of up to 1A, making it suitable for various power management applications.
The UC3842AD8 supports a maximum supply voltage of 125V, which is suitable for a wide range of power applications.
The dimensions of the SOIC package are 4.9mm in length, 3.91mm in width, and 1.58mm in height.
This model operates within a temperature range of 0°C to 70°C, ensuring reliable performance in various environments.
It utilizes current mode control, providing precise current regulation for applications such as flyback converters.
The peak duty cycle of the UC3842AD8 is 100%, allowing for maximum power delivery when needed.
The supply current is low at 4mA, which helps to reduce overall power consumption.
Yes, the UC3842AD8 is RoHS compliant, ensuring it meets environmental safety standards.
This model features one output, suitable for various power management needs.
The minimum operating temperature for the UC3842AD8 is -55°C, allowing for use in low-temperature environments.
It is suitable for power supplies in industrial machines, laboratory equipment, and consumer electronics requiring efficient power control.
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