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UCC28500DWTR

UCC28500DWTR
Mfr. #:
UCC28500DWTR
Descripción:
Power Factor Correction - PFC BICMOS PFC/PWM COMBINATION CONTROLLER
Ciclo vital:
Nuevo de este fabricante.
Ficha de datos:
UCC28500DWTR Ficha de datos
Entrega:
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ECAD Model:
Más información:
UCC28500DWTR más información UCC28500DWTR Product Details
Atributo del producto
Valor de atributo
Fabricante:
Instrumentos Texas
Categoria de producto:
Corrección del factor de potencia - PFC
Frecuencia de cambio:
115 kHz
Temperatura mínima de funcionamiento:
- 40 C
Temperatura máxima de funcionamiento:
+ 85 C
Estilo de montaje:
SMD / SMT
Paquete / Caja:
SOIC-20
Altura:
2.35 mm
Longitud:
12.8 mm
Escribe:
IC de corrección del factor de potencia
Ancho:
7.52 mm
Marca:
Instrumentos Texas
Tipo de producto:
PFC - Corrección del factor de potencia
Subcategoría:
PMIC: circuitos integrados de administración de energía
Unidad de peso:
0.020071 oz
Tags
UCC28500D, UCC28500, UCC2850, UCC285, UCC28, UCC2, UCC
Service Guarantees

We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
Our experienced sales team and tech support team back our services to satisfy all our customers.

we buy and manage excess electronic components, including excess inventory identified for disposal.
Email us if you have excess stock to sell.

Email: [email protected]

Step1: Vacuum Packaging with PL
Step1:
Vacuum Packaging with PL
Step2: Anti-Static Bag
Step2:
Anti-Static Bag
Step3: Packaging Boxes
Step3:
Packaging Boxes
***et
BiCMOSPFCPWMCombinationController015mA115kHz20PinSOICTR
***asInstruments
PFCPWMCombinationcontrollerwith16V10VVCCUVLOand675V55VPWMUVLO40Cto85C20SOIC40to85
***ser
PowerFactorCorrectionPFCICsBiCMOSPFCPWMCombController
***iKey
ICPFCCTRLRAVERAGECURR20SOIC
***AS INSTR
The UCC2850x family provides all of the control functions necessary for an active power-factor-corrected preregulator and a second-stage dc-to-dc converter. The controller achieves near-unity power factor by shaping the ac input line current waveform to correspond to the ac input-line voltage using average current-mode control. The dc-to-dc converter uses peak current-mode control to perform the step-down power conversion.
***
The PFC stage is leading-edge modulated while the second stage is trailing-edge synchronized to allow for minimum overlap between the boost and PWM switches. This reduces ripple current in the bulk-output capacitor.In order to operate with over three-to-one range of input-line voltages, a line feedforward (VFF) is used to keep input power constant with varying input voltage. Generation of VFF is accomplished using IAC in conjunction with an external single-pole filter. This not only reduces external parts count, but also avoids the use of high-voltage components, offering a lower-cost solution. The multiplier then divides the line current by the square of VFF.
***AS INSTRUM
The UCC2850x PFC section incorporates a low offset-voltage amplifier with 7.5-V reference, a highly-linear multiplier capable of a wide current range, a high-bandwidth, low offset-current amplifier, with a novel noise-attenuation configuration, PWM comparator and latch, and a high-current output driver. Additional PFC features include over-voltage protection, zero-power detection to turn off the output when VAOUT is below 0.33 V and peak current and power limiting.
***as Instruments Inc.
The dc-to-dc section relies on an error signal generated on the secondary-side and processes it by performing peak current mode control. The dc-to-dc section also features current limiting, a controlled soft-start, preset operating range with selectable options, and 50% maximum duty cycle.
***
The UCC28500 and UCC28502 have a wide PFC-UVLO threshold (16.5 V/10 V) for bootstrap bias supply operation. The UCC28501 and UCC28503 are designed with a narrow UVLO range (10.5 V/10 V) more suitable for fixed bias operation. The UCC28500 and UCC28501 have a narrow UVLO threshold for PWM stage (to allow operation down to 75% of nominal bulk voltage), while the UCC28502 and UCC38503 are configured for a much wider operation range for the PWM stage (down to 50% of bulk nominal voltage).
***NS
Available in 20-pin N and DW packages.
Parte # Descripción Valores Precio
UCC28500DWTR
DISTI # UCC28500DWTR-ND		IC PFC CTRLR AVERAGE CURR 20SOIC
RoHS: Compliant
Min Qty: 2000
Container: Tape & Reel (TR)		Limited Supply - Call
    UCC28500DWTRG4
    DISTI # UCC28500DWTRG4-ND    		IC PFC CTRLR AVERAGE CURR 20SOIC
    RoHS: Compliant
    Min Qty: 2000
    Container: Tape & Reel (TR)    		Limited Supply - Call
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      UCC28500DW

      Mfr.#: UCC28500DW

      OMO.#: OMO-UCC28500DW-TEXAS-INSTRUMENTS

      		 Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controlle
      Disponibilidad
      Valores:
      Available
      En orden:
      2500
      Ingrese la cantidad:
      El precio actual de UCC28500DWTR es solo de referencia, si desea obtener el mejor precio, envíe una consulta o envíe un correo electrónico directo a nuestro equipo de ventas [email protected]
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