• UCC28070DWR SOIC (DW)-20
UCC28070DWR SOIC (DW)-20

UCC28070DWR

Power Factor Correction - PFC 2-Phase Interleaved CCM PFC Controller

Quantity Unit Price(USD) Ext. Price
1 $1.501 $1.50
10 $1.285 $12.85
30 $1.150 $34.50
100 $1.019 $101.90
500 $0.958 $479.00
1000 $0.930 $930.00

Inventory:4,045

*The price is for reference only.
  • 90-day after-sales guarantee
  • 365 Days Quality Guarantee
  • Genuine Product Guarantee
  • 7*24 hours service quarantee
  • Part Number : UCC28070DWR

  • Package/Case : SOIC (DW)-20

  • Manufacturer : Texas Instruments

  • Components Classification : PFC

  • Datesheet : UCC28070DWR DataSheet (PDF)

  • Series : UCC28070

Rapid Quote

Submit your quote request for UCC28070DWR using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of UCC28070DWR

The UCC28070DWR is a PFC(Power Factor Correction) controller IC designed for improving power efficiency and reducing harmonic distortion in power supplies. It integrates critical power management functions for regulating input voltage and achieving power factor correction in AC/DC converters, making it essential for high-performance power supply designs.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • COMP: Compensation Pin for feedback loop adjustment
  • VSENSE: Voltage Sense Input for feedback control
  • RT: External Timing Resistor connection
  • CT: External Timing Capacitor connection
  • VCC: Positive Power Supply for the IC
  • GD: Gate Driver Output for power switches
  • FB: Feedback Pin for regulation feedback
  • NC: No Connection
  • NC: No Connection
  • GND: Ground connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the UCC28070DWR IC for a visual representation.

Key Features

  • Power Factor Correction: The UCC28070DWR offers efficient power factor correction to optimize power supply performance.
  • Wide Operating Voltage Range: Operating from a wide supply voltage range, this IC is versatile in various power supply applications.
  • Integrated Gate Driver: The integrated gate driver simplifies driving external power switches for power conversion.
  • Overvoltage Protection: Includes overvoltage protection features to safeguard the power supply system from voltage spikes.
  • Soft-Start Function: Incorporates a soft-start function to gradually ramp up power, reducing stress on components during startup.
  • Frequency Adjustment: Allows for frequency adjustment to fine-tune power supply operation based on application requirements.

Note: For detailed technical specifications, please refer to the UCC28070DWR datasheet.

Application

  • AC/DC Power Supplies: Ideal for designing power factor correction circuits in AC/DC power supply systems.
  • LED Driver Applications: Suitable for LED driver designs that require efficient power management and control.
  • Industrial Power Electronics: Used in industrial power electronics systems for improving power efficiency and stability.

Functionality

The UCC28070DWR is a specialized PFC controller IC that enables power factor correction and efficient power management in various power supply applications. It ensures optimal power conversion and performance.

Usage Guide

  • Power Supply: Connect VCC (Pin 5) to the positive supply voltage to power the IC.
  • Feedback Control: Use the COMP and VSENSE pins for feedback control to regulate the output voltage.
  • Gate Drive: Connect the GD pin to the gate of external power switches for power stage control.

Frequently Asked Questions

Q: What is the purpose of power factor correction in power supplies?
A: Power factor correction improves power efficiency by aligning current and voltage waveforms, reducing harmonic distortion, and maximizing power transfer.

Q: Can the UCC28070DWR support high power applications?
A: Yes, the UCC28070DWR is designed to support high power applications by providing efficient power factor correction and control capabilities.

Equivalent

For similar functionalities, consider these alternatives to the UCC28070DWR:

  • TPS2811P: A power factor correction controller IC with comparable features and performance for power supply applications.
  • IR1150: This is a PFC controller IC from Infineon Technologies, offering similar power factor correction capabilities and power management functions.

UCC28070DWR

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Topology Boost Control mode CCM
Switching frequency (max) (kHz) 300 UVLO thresholds on/off (V) 10.2/9.2
Vin (max) (V) 21 Features > 750 W applications, Average current mode, Continuous Control Mode, Interleaved, Overvoltage protection, Programable Switching Frequency
Rating Catalog Operating temperature range (°C) -40 to 125, -40 to 85
Duty cycle (max) (%) 99

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package ?

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

  • Payment ?

    For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.

    If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

packageimg

UCC28070DWR

Power Factor Correction - PFC 2-Phase Interleaved CCM PFC Controller

Inventory:

4,045