Datasheet Texas Instruments UC3854ADWTR — Datenblatt

HerstellerTexas Instruments
SerieUC3854A
ArtikelnummerUC3854ADWTR

Erweiterter Hochleistungsfaktor-Vorregulator 16-SOIC 0 bis 70

Datenblätter

Advanced High Power Factor Preregulator datasheet
PDF, 1.9 Mb, Revision: E, Datei veröffentlicht: Aug 25, 2006
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Preise

Status

Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityNo

Verpackung

Pin16
Package TypeDW
Industry STD TermSOIC
JEDEC CodeR-PDSO-G
Package QTY2000
CarrierLARGE T&R
Device MarkingUC3854ADW
Width (mm)7.5
Length (mm)10.3
Thickness (mm)2.35
Pitch (mm)1.27
Max Height (mm)2.65
Mechanical DataHerunterladen

Parameter

Approx. price1.56 | 1ku US$
Control methodCCM
Device typeSingle-phase PFC
Features> 750W Applications,Average Current Mode,Enable
Operating supply current12 mA
Operating supply(Max)20 V
Operating temperature range0 to 70 C
Package GroupPDIP|16,SOIC|16
Package size: mm2:W x L16PDIP: 181 mm2: 9.4 x 19.3 (PDIP|16),16SOIC: 77 mm2: 7.5 x 10.3 (SOIC|16) PKG
Peak output sink current gate drive1 A
Peak output source current gate drive-1 A
Practical operating frequency(Max)0.2 MHz
RatingCatalog
Startup current0.25 mA
UVLO thresholds on/off16/10 V

Öko-Plan

RoHSCompliant
Pb FreeYes

Anwendungshinweise

  • DN-44 UC3854A and UC3854B Advanced Power Factor Correction Control ICs (Rev. A)
    PDF, 158 Kb, Revision: A, Datei veröffentlicht: Nov 15, 2005
  • AC Requirements for Power Factor Correction Circuits
    PDF, 29 Kb, Datei veröffentlicht: Mar 28, 2002
    This technical brief identifies the recommended range of IAC for each of the devices within the UCC3854 family of PFC controllers.
  • DN-66 UC3854A/B and UC3855A/B Provide Power Limiting with Sinusoidal Input (Rev. A)
    PDF, 80 Kb, Revision: A, Datei veröffentlicht: Nov 6, 2001
  • Accurate PWM Duty Cycle Clamp
    PDF, 58 Kb, Datei veröffentlicht: Jan 25, 2002
    Power supply applications using current sense transformers require a duty cycle clamp on the pulse width modulator (PWM) to ensure transformer reset. Not all PWMs come with a duty cycle clamp presenting a problem for the power supply designer. This application note shows how to implement a duty cycle clamp by using a simple delay circuit.

Modellreihe

Herstellerklassifikation

  • Semiconductors > Analog and Mixed-Signal > Power management > Offline & isolated DC/DC controllers & converters > Power factor correction (PFC) controllers