Texas Instruments UCC2818D, Power Factor Pre-Regulator Circuit, 115 kHz, 17 V 16-Pin, SOIC

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RS-artikelnummer:
661-5670
Tillv. art.nr:
UCC2818D
Tillverkare / varumärke:
Texas Instruments
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Brand

Texas Instruments

Maximum Switching Frequency

115 kHz

Start-up Supply Current

0.15mA

IC Type

Power Factor Pre-Regulator Circuit IC

Maximum Supply Current

20 mA

Zero Power Detection

Yes

Mounting Type

Surface Mount

Package Type

SOIC

Pin Count

16

Dimensions

9.9 x 3.91 x 1.58mm

Height

1.58mm

Length

9.9mm

Maximum Operating Supply Voltage

17 V

Maximum Operating Temperature

+85 °C

Minimum Operating Temperature

-40 °C

Width

3.91mm

Minimum Operating Supply Voltage

12 V

Power Factor Correction (PFC), Texas Instruments


Texas Instruments integrated controllers for Power Factor Correction (PFC) in pre-regulators and PFC converters can achieve near unity power factor and give stable, low distortion sinusoidal line currents. They utilise advanced features and innovative processes such as quantized voltage feed-forward, current synthesis, frequency dithering and slew rate enhancement to provide significant performance enhancements.

The Texas Instruments UCC2818 family provides all the functions necessary for active power factor-corrected preregulators. The controller achieves near-unity power factor by shaping the AC input line current waveform to correspond to that of the AC input line voltage. Average current mode control maintains stable, low distortion sinusoidal line current.

Controls Boost Preregulators to Near-Unity Power Factor
Limits Line Distortion
World Wide Line Operation
Over-Voltage Protection
Accurate Power Limiting
Average Current Mode Control
Improved Noise Immunity
Improved Feed-Forward Line Regulation
Leading Edge Modulation
150-μA Typical Start-Up Current
Low-Power BiCMOS Operation
Up to 18-V Operation
Frequency Range 6 kHz to 220 kHz


Power Factor Correction (PFC), Texas Instruments


Texas Instruments Power Factor Correction (PFC) controllers meet IEC61000-3-2 harmonic current limit standards. PFC controllers are designed for AC-DC applications and provide high Power Factor (PF), low current distortion (iTHD), high efficiency and high power density.

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