20-pin (DW) package image

UCC28070DWR ACTIVE

Two-phase Interleaved continuous conduction mode (CCM) PFC controller

ACTIVE custom-reels CUSTOM Custom reel may be available
open-in-new View alternates

Pricing

Qty Price
+

Additional package qty | Carrier options These products are exactly the same but come in a different carrier type

UCC28070DW ACTIVE
Package qty | Carrier 25 | TUBE
Inventory
Qty | Price 1ku | +

Quality information

Rating Catalog
RoHS Yes
REACH Yes
Lead finish / Ball material NIPDAU
MSL rating / Peak reflow Level-1-260C-UNLIM
Quality, reliability
& packaging information

Information included:

  • RoHS
  • REACH
  • Device marking
  • Lead finish / Ball material
  • MSL rating / Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
View or download
Additional manufacturing information

Information included:

  • Fab location
  • Assembly location
View

Export classification

*For reference only

  • US ECCN: EAR99

Packaging information

Package | Pins SOIC (DW) | 20
Operating temperature range (°C) -40 to 85
Package qty | Carrier 2,000 | LARGE T&R

Features for the UCC28070

  • Interleaved Average Current-Mode PWM Control
    With Inherent Current Matching
  • Advanced Current Synthesizer Current Sensing
    for Superior Efficiency
  • Highly-Linear Multiplier Output With Internal
    Quantized Voltage Feed-Forward Correction for
    Near-Unity PF
  • Programmable Frequency from 30 kHz to 300 kHz
  • Programmable Maximum Duty-Cycle Clamp
  • Programmable Frequency-Dithering Rate and
    Magnitude for Enhanced EMI Reduction
    • Magnitude: 3 kHz to 30 kHz
    • Rate: Up to 30 kHz
  • External-Clock Synchronization Capability
  • Enhanced Load and Line Transient Response
    through Voltage Amplifier Output Slew-Rate
    Correction
  • Programmable Peak Current Limiting
  • Bias-Supply UVLO, Overvoltage Protection, Open-
    Loop Detection, and PFC-Enable Monitoring
  • External PFC-Disable Interface
  • Open-Circuit Protection on VSENSE and VINAC
    pins
  • Programmable Soft-Start

Description for the UCC28070

The UCC28070 is an advanced power factor correction (PFC) device that integrates two pulse-width modulators (PWMs) operating 180° out of phase. This interleaved PWM operation generates substantial reduction in the input and output ripple currents, allowing the conducted-EMI filtering to become easier and less expensive. A significantly improved multiplier design provides a shared current reference to two independent current amplifiers that ensures matched average-current mode control in both PWM outputs while maintaining a stable, low-distortion, sinusoidal input-line current.

The UCC28070 device contains multiple innovations including current synthesis and quantized voltage feed-forward to promote performance enhancements in PF, efficiency, THD, and transient response. Features including frequency dithering, clock synchronization, and slew rate enhancement further expand the potential performance enhancements.

The UCC28070 device also contains a variety of protection features including output-overvoltage detection, programmable peak-current limit, undervoltage lockout, and open-loop protection.

Pricing

Qty Price
+

Additional package qty | Carrier options These products are exactly the same but come in a different carrier type

UCC28070DW ACTIVE
Package qty | Carrier 25 | TUBE
Inventory
Qty | Price 1ku | +

Carrier options

You can choose different carrier options based on the quantity of parts, including full reel, custom reel, cut tape, tube or tray.

A custom reel is a continuous length of cut tape from one reel to maintain lot- and date-code traceability, built to the exact quantity requested. Following industry standards, a brass shim connects an 18-inch leader and trailer on both sides of the cut tape for direct feeding into automated assembly machines. TI includes a reeling fee for custom reel orders.

Cut tape is a length of tape cut from a reel. TI may fulfill orders using multiple strips of cut tapes or boxes to satisfy the quantity requested.

TI often ships tube or tray devices inside a box or in the tube or tray, depending on inventory availability. We pack all tapes, tubes or sample boxes according to internal electrostatic discharge and moisture-sensitivity-level protection requirements.

Learn more

Lot and date code selection may be available

Add a quantity to your cart and begin the checkout process to view the options available to select lot or date codes from existing inventory.

Learn more