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Texas Instruments 16-Pin SOIC 2-Channel Current Mode PWM Controller 500kHz 125V UC2846DW
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 2.35mm |
| Length | 10.28mm |
| Model | UC2846DW |
| Width | 7.52mm |
| Mount Type | Surface |
| Maximum Duty Cycle | 50% |
| Series | UC |
| Output Current | 500mA |
| Maximum Operating Temperature | 85°C |
| Package Type | SOIC |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 2 |
| Output Voltage | 5.2V |
| Maximum Switching Frequency | 500kHz |
| Pin Count | 16 |
| Maximum Supply Voltage | 125V |
| Minimum Supply Voltage | -55V |
| Supply Current | 4mA |
| PWM Controller Type | Current Mode |
Key Features
- Designed for surface mount with 16-pin SOIC package.
- Operating temperature range from -40°C to 85°C ensuring reliable performance.
- Maximum duty cycle limited to 50% for controlled power delivery.
- Low supply current of 4 mA for efficient operation.
- Delivers output voltage of 5.2 V and output current of up to 500 mA.
- Equipped with two output channels for versatile PWM control.
- Current mode PWM controller suitable for flyback, constant-voltage, and constant-current regulation.
- Primary-Side Regulation (PSR) eliminates the need for an optocoupler improving transient response.
Product Description
Texas Instruments UC2846DW is a 16-pin SOIC packaged 2-channel current mode PWM controller designed for power management IC applications requiring switching frequencies up to 500 kHz and a maximum supply voltage of 125 volts. It features surface mount construction suitable for compact PCB layouts.
This device supports flyback power supply topology with current control enabling precise constant-voltage (CV) and constant-current (CC) output regulation. Its primary-side regulation (PSR) capability eliminates the need for an optocoupler, which enhances transient response for large load steps.
The UC2846DW has a low supply current of 4 mA, output voltage rating of 5.2 volts, and output current up to 500 mA, providing efficient operation in power control circuits. With a maximum duty cycle of 50%, it ensures controlled power delivery and protects against overdriving.
Designed to operate within an ambient temperature range from -40 to 85 degrees Celsius, this controller is reliable across typical industrial application environments. Its compact physical dimensions of 2.35 mm height, 10.28 mm length, and 7.52 mm width fit compact power supply designs.
This PWM controller is ideal for industrial, automation, and power supply management applications where efficient, stable, and discrete PWM outputs are essential. It belongs to the UC series of controllers by Texas Instruments which are widely recognized for their quality and performance.
Designed for surface mount with 16-pin SOIC package. Current-mode control for precise PWM regulation. Supports switching frequencies up to 500 kHz. Two PWM output channels available. Wide operating temperature range from -40°C to 85°C.
Eliminates optocoupler by primary-side regulation. Low supply current of 4 mA for power efficiency. Compact footprint suitable for dense PCB layouts. Maximum supply voltage of 125 V and maximum duty cycle 50%. Explore the full range of power management ICs and PWM Controllers in the Electronics & Electricals category on EnvMart for reliable industrial and electronic system integration.
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Frequently Asked Questions
The maximum switching frequency of the UC2846DW is 500 kHz, allowing for efficient power management in various applications.
This PWM controller operates within a temperature range of -40°C to 85°C, ensuring reliable performance in various environments.
It comes in a 16-pin SOIC package, designed for surface mount applications.
The maximum supply voltage for this model is 125 V, allowing it to handle high-voltage applications.
The UC2846DW operates with a low supply current of 4 mA, enhancing its efficiency in power management.
The maximum duty cycle is limited to 50%, which helps in controlling power delivery and preventing overdriving.
It is a current mode PWM controller, suitable for applications requiring precise output regulation.
The dimensions of this model are 2.35 mm in height, 10.28 mm in length, and 7.52 mm in width, making it compact for PCB layouts.
It is suitable for flyback power supply topology and can be used in constant-voltage and constant-current regulation applications.
The primary-side regulation (PSR) capability eliminates the need for an optocoupler, improving transient response during large load steps.
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