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Texas Instruments Power Factor Pre-Regulator Circuit IC 115 kHz 16-Pin SOIC 20V UC3854BDW
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 2.35mm |
| Length | 10.28mm |
| Model | UC3854BDW |
| Mount Type | Surface |
| Maximum Operating Temperature | 70°C |
| Package Type | SOIC |
| Sub Type | Power Factor Pre-Regulator Circuit |
| Minimum Operating Temperature | 0°C |
| Switching Frequency | 115kHz |
| Pin Count | 16 |
| Maximum Supply Voltage | 20V |
| Minimum Supply Voltage | 10V |
| Supply Current | 18mA |
| Start-up Supply Current | 300μA |
| Maximum Source Current | 14μA |
Key Features
- Operates at a switching frequency of 115 kHz.
- Contains 16 pins in a SOIC surface mount package.
- Works within a supply voltage range of 10V to 20V.
- Minimum operating temperature of 0°C and maximum of 70°C.
- Includes advanced features like quantized voltage feed-forward and current synthesis for unity power factor.
- Start-up supply current of 300μA and supply current of 18mA during operation.
- Maximum source current is 14μA, optimizing power efficiency.
- Designed to meet IEC61000-3-2 harmonic current limits for power factor correction.
Product Description
Texas Instruments UC3854BDW Power Factor Pre-Regulator Circuit IC is engineered for power factor correction to achieve near unity power factor and stable sinusoidal line currents with low distortion. Operating at a switching frequency of 115 kHz, this IC is ideal for AC-DC power applications requiring efficient power conversion and reduced harmonic currents.
The device is housed in a compact 16-pin SOIC surface mount package with dimensions of 10.28mm length and 2.35mm height, suitable for modern PCB layouts demanding space-saving components. It operates within a supply voltage range from 10V to 20V, supporting both low and mid-voltage power applications.
This pre-regulator incorporates innovative features such as quantized voltage feed-forward, frequency dithering, and slew rate enhancement, enabling high efficiency and power density. The IC maintains low supply current consumption with a start-up current of only 300μA and operating supply current of 18mA, while limiting maximum source current to 14μA for optimized power usage.
Operating temperature ranges from 0°C to 70°C, making the IC suitable for a variety of industrial, laboratory, and commercial settings where reliable power factor correction is necessary. It complies with IEC61000-3-2 harmonic current standards, ensuring reduced current distortion.
Texas Instruments Power Factor Correction controllers enhance AC-DC power system performance by delivering high power factor, low total harmonic distortion, and high efficiency, thus making this IC a reliable choice for power management and control in advanced electronic designs.
Operates at a switching frequency of 115 kHz. 16-pin SOIC package with surface mount technology. Supply voltage range from 10V to 20V. Start-up supply current: 300μA. Maximum source current: 14μA. Operating supply current: 18mA.
Dimensions: 10.28mm length x 2.35mm height. Operating temperature range: 0°C to 70°C. Built to meet IEC61000-3-2 harmonic current limit standards. EnvMart offers a reliable range of Power Management ICs suitable for industrial, HVAC, laboratory, manufacturing, and commercial power control applications.
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Frequently Asked Questions
It operates at a switching frequency of 115 kHz.
The supply voltage range is from 10V to 20V.
The dimensions are 10.28mm in length and 2.35mm in height.
The start-up supply current is 300μA.
The maximum operating temperature is 70°C.
It operates within a temperature range of 0°C to 70°C.
The operating supply current is 18mA.
This model has 16 pins.
The maximum source current is 14μA.
It includes quantized voltage feed-forward, frequency dithering, and slew rate enhancement.
Yes, it is designed to meet IEC61000-3-2 harmonic current limits for power factor correction.
It utilizes surface mount technology (SOIC).
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