Startseite Energiemanagement AC/DC- und DC/DC-Controller (externer FET)

UCC29910A

AKTIV

PFC-Abwärtsregler-Controller

Produktdetails

Rating Catalog Topology Boost, PFC controller Vin (max) (V) 3.6 Control mode CCM Features Average current mode, Buck, Burst mode, Continuous Control Mode, Enable, OVP, Single-phase Operating temperature range (°C) -40 to 85 Duty cycle (max) (%) 90
Rating Catalog Topology Boost, PFC controller Vin (max) (V) 3.6 Control mode CCM Features Average current mode, Buck, Burst mode, Continuous Control Mode, Enable, OVP, Single-phase Operating temperature range (°C) -40 to 85 Duty cycle (max) (%) 90
TSSOP (PW) 14 32 mm² 5 x 6.4
  • Buck Power Factor Correction for High Efficiency Across Line
  • Low Off-Line Startup Current, With SmartStart Algorithm for Fast Startup With Soft-Start
  • Compatible With Resistive or Pass Transistor Fed Startup from the AC Line
  • Low Power SmartBurst Mode for Standby and Light-Load Conditions
  • Current Sense Inputs for PFC control and Overload Protection
  • Line Sense UVLO
  • Sense and Drive Control for External Startup Depletion Mode FET
  • Latching Fault Input Pin
  • Buck Power Factor Correction for High Efficiency Across Line
  • Low Off-Line Startup Current, With SmartStart Algorithm for Fast Startup With Soft-Start
  • Compatible With Resistive or Pass Transistor Fed Startup from the AC Line
  • Low Power SmartBurst Mode for Standby and Light-Load Conditions
  • Current Sense Inputs for PFC control and Overload Protection
  • Line Sense UVLO
  • Sense and Drive Control for External Startup Depletion Mode FET
  • Latching Fault Input Pin

The UCC29910A Buck Power Factor Correction (PFC) controller provides a relatively flat high-efficiency performance across universal line for designers requiring a high power factor (>0.9) and wishing to meet the requirements of IEC 61000-3-2. Based on a buck topology, inherent inrush current limiting eliminates the need for additional components. With a typical bus voltage of 84 V, the topology is ideally suited for use with low voltage stress downstream regulation/isolation power trains, such as half-bridge stages controlled by the UCC29900, (Texas Instruments Literature Number, SLUS923). This combination offers low common-mode noise generation allowing reduced filtering and exceptionally high conversion efficiency.

The UCC29910A incorporates AC line UVLO and controlled soft start for fast start-up. Enhanced light-load efficiency is achieved through advanced management algorithms for best-in-class no-load and light-load performance.

The UCC29910A Buck Power Factor Correction (PFC) controller provides a relatively flat high-efficiency performance across universal line for designers requiring a high power factor (>0.9) and wishing to meet the requirements of IEC 61000-3-2. Based on a buck topology, inherent inrush current limiting eliminates the need for additional components. With a typical bus voltage of 84 V, the topology is ideally suited for use with low voltage stress downstream regulation/isolation power trains, such as half-bridge stages controlled by the UCC29900, (Texas Instruments Literature Number, SLUS923). This combination offers low common-mode noise generation allowing reduced filtering and exceptionally high conversion efficiency.

The UCC29910A incorporates AC line UVLO and controlled soft start for fast start-up. Enhanced light-load efficiency is achieved through advanced management algorithms for best-in-class no-load and light-load performance.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet Buck PFC Controller - datasheet (Rev. A) 21 Jun 2011

Design und Entwicklung

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Berechnungstool

SLUC265 UCC29910A Design Calculator

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Produkte
AC/DC- und DC/DC-Controller (externer FET)
UCC29910A PFC-Abwärtsregler-Controller
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
TSSOP (PW) 14 Ultra Librarian

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