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Texas Instruments Power Factor Pre-Regulator Circuit IC 115 kHz 16-Pin PDIP 20V UC3854AN
Specifications
| Country of Origin | India |
|---|---|
| Brand | Texas Instruments |
| Height | 4.57mm |
| Length | 19.3mm |
| Model | UC3854AN |
| Mount Type | Through Hole |
| Maximum Operating Temperature | 70°C |
| Package Type | PDIP |
| 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 for accurate regulation.
- Equipped with 16 pins in a PDIP package suitable for through-hole mounting.
- Supports supply voltages ranging from 10V to 20V for versatile power inputs.
- Low start-up supply current of 300μA optimizes power consumption.
- Maximum source current of 14μA ensures precise control capability.
- Supply current is maintained at a minimal 18mA during operation.
- Operating temperature ranges from 0°C to 70°C for reliable performance in various environments.
- Compact form factor with a length of 19.3mm and height of 4.57mm.
Product Description
Texas Instruments UC3854AN is a power factor pre-regulator circuit IC operating at 115 kHz switching frequency with 16 pins in a through-hole PDIP package, designed for power factor correction in AC-DC applications.
This controller IC features low start-up supply current of 300μA and maximum source current of 14μA, with supply current rated at 18mA. It supports supply voltages from 10V minimum up to 20V maximum, operating reliably over a temperature range from 0°C to 70°C. The compact size with 19.3 mm length and 4.57 mm height enables integration into a variety of electronic assemblies.
Texas Instruments power factor correction controllers like the UC3854AN achieve near unity power factor by producing stable, low distortion sinusoidal line currents. Innovative features include quantized voltage feed-forward, current synthesis, frequency dithering, and slew rate enhancement. These advanced processes improve efficiency, power density, and harmonic current compliance according to IEC61000-3-2 standards.
The device is ideal for industrial, laboratory, and commercial applications requiring efficient power management and harmonic compliance. Its robust design supports AC-DC power supplies ensuring high power factor operation and reduced total harmonic distortion.
Operates at 115 kHz switching frequency for precision control. 16-pin PDIP through-hole package facilitates easy mounting and assembly. Wide supply voltage range from 10V to 20V for flexible deployment. Low start-up supply current reduces overall power consumption.
Compact dimensions support integration into diverse designs. Complies with IEC61000-3-2 harmonic current limits. Suitable for industrial and commercial power factor correction implementations. Enhances efficiency and power quality in AC-DC converters.
Robust operation across temperature range 0°C to 70°C. Supports stable, low distortion sinusoidal line currents. Explore the full line of Texas Instruments Power Management ICs on EnvMart for advanced electronic component solutions.
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Frequently Asked Questions
The UC3854AN operates at a switching frequency of 115 kHz, allowing for accurate regulation in power factor correction applications.
It supports a supply voltage range from 10V to 20V, making it versatile for various power input requirements.
This model has a length of 19.3 mm and a height of 4.57 mm, which facilitates integration into compact electronic assemblies.
The maximum operating temperature for this unit is 70°C, ensuring reliable performance in a range of environments.
The UC3854AN features a total of 16 pins, packaged in a PDIP format suitable for through-hole mounting.
The start-up supply current for the UC3854AN is 300μA, which helps optimize power consumption during initial operation.
During operation, the supply current is maintained at a minimal 18mA, contributing to overall efficiency in power management.
The maximum source current for this model is 14μA, allowing for precise control capabilities in power factor correction.
This model supports through-hole mounting, making it easy to integrate into various electronic designs.
It is ideal for industrial, laboratory, and commercial applications requiring efficient power management and harmonic compliance.
The device complies with IEC61000-3-2 harmonic current limits, ensuring low distortion sinusoidal line currents.
The minimum operating temperature for the UC3854AN is 0°C, allowing it to function reliably in various conditions.
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