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Texas Instruments 8-Pin SOIC Current Mode 5-Channel PWM Controller 1000 kHz 125V UCC2803D
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 1.58mm |
| Length | 4.9mm |
| Model | UCC2803D |
| Width | 3.91mm |
| Mount Type | Surface |
| Maximum Duty Cycle | 100% |
| Series | UCC |
| Output Current | 1A |
| Maximum Operating Temperature | 85°C |
| Package Type | SOIC |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 5 |
| Output Voltage | 5.2V |
| Maximum Switching Frequency | 1000kHz |
| 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 1000 kHz.
- Features current mode PWM control for precise power regulation.
- Supports up to 5 outputs with a maximum output current of 1A.
- Ensures operation within a temperature range of -40°C to 85°C.
- Compact SOIC 8-pin package with dimensions 4.9 mm length, 3.91 mm width, and 1.58 mm height.
- Designed for surface mount applications to improve circuit integration.
- Maximum duty cycle capability of 100% for flexible power control.
- Supply current consumption is low at 4 mA for efficient operation.
Product Description
Texas Instruments UCC2803D is a high-performance 8-pin SOIC packaged PWM controller designed for power management applications requiring current mode control. Operating with a maximum switching frequency of 1000 kHz and a maximum supply voltage of 125V, this device is ideal for flyback converter topologies and other isolated power supply designs that demand precise constant-voltage and constant-current regulation.
The controller supports 5 output channels with a maximum output current of 1A each, enabling efficient load regulation and transient response improvements. It operates within a wide temperature range from -40°C to 85°C, ensuring reliability in industrial and commercial environments.
The UCC2803D features a compact surface mount SOIC package with an 8-pin count, measuring 4.9 mm in length, 3.91 mm in width, and 1.58 mm in height, facilitating dense PCB layouts. Primary-side regulation technology eliminates the requirement for optocouplers, simplifying designs and improving efficiency.
This current mode PWM controller supports a full 100% duty cycle, making it versatile for a wide variety of power controller applications. Operates at a maximum switching frequency of 1000 kHz. Current mode control ensures precise power regulation.
Five output channels with 1A maximum output current per channel. Wide operating temperature range from -40°C to 85°C. Compact surface mount SOIC 8-pin form factor. Eliminates the need for optocouplers through primary-side regulation.
Low supply current of 4 mA for efficient operation. Capable of 100% maximum duty cycle.
This device is suited for industrial and electronics manufacturing use cases, including power supplies for automation, consumer electronics, and other applications requiring efficient and precise PWM control.
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Frequently Asked Questions
The UCC2803D operates at a maximum switching frequency of 1000 kHz.
This model supports up to 5 output channels, with a maximum output current of 1A for each channel.
It operates within a temperature range of -40°C to 85°C.
The compact SOIC package measures 4.9 mm in length, 3.91 mm in width, and 1.58 mm in height.
This model features current mode PWM control for precise power regulation.
The maximum supply voltage for the UCC2803D is 125V.
The supply current consumption is low at 4 mA, which contributes to efficient operation.
It has a maximum duty cycle capability of 100%, allowing for flexible power control.
The minimum operating temperature is -40°C.
This PWM controller is designed for power management applications, particularly in flyback converter topologies and isolated power supply designs.
No, it eliminates the need for optocouplers through primary-side regulation, simplifying designs.
The output voltage of this model is 5.2V.
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