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UCC28503DWTRG4

UCC28503DWTRG4
Mfr. #:
UCC28503DWTRG4
Descrizione:
IC PFC CTRLR AVERAGE CURR 20SOIC
Ciclo vitale:
Nuovo da questo produttore.
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UCC28503DWTRG4 Scheda dati
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UCC28503DWTRG4 maggiori informazioni UCC28503DWTRG4 Product Details
Attributo del prodotto
Valore attributo
Produttore
Texas Instruments
categoria di prodotto
PMIC - PFC (correzione del fattore di potenza)
Serie
-
Confezione
Tape & Reel (TR) Imballaggio alternativo
Pacchetto-Custodia
20-SOIC (0.295", 7.50mm Width)
Temperatura di esercizio
-40°C ~ 85°C
Tipo di montaggio
Montaggio superficiale
Tensione di alimentazione
9.7 V ~ 18 V
Pacchetto-dispositivo-fornitore
20-SOIC
Cambio di frequenza
80kHz ~ 120kHz
Modalità
Corrente media
Avvio in corso
150μA
Tags
UCC28503D, UCC28503, 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.
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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
***ser
Power Factor Correction (PFC) ICs BiCMOS PFC/PWM Comb Controller
***i-Key
IC PFC CTRLR AVERAGE CURR 20SOIC
***ark
Power Factor Controller IC; Frequency:0.2MHz; Supply Voltage Max:18V; Package/Case:20-SOIC; No. of Pins:20; Operating Temperature Range:-40°C to +85°C; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes ;RoHS Compliant: Yes
***as Instruments
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. 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. 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). Available in 20-pin N and DW packages.
Parte # Descrizione Azione Prezzo
UCC28503DWTRG4
DISTI # UCC28503DWTRG4-ND		IC PFC CTRLR AVERAGE CURR 20SOIC
RoHS: Compliant
Min Qty: 2000
Container: Tape & Reel (TR)		Limited Supply - Call
    UCC28503DWTRG4
    DISTI # 595-UCC28503DWTRG4    		Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controller
    RoHS: Compliant    		0
      Immagine Parte # Descrizione
      UCC28500N

      Mfr.#: UCC28500N

      OMO.#: OMO-UCC28500N

      		 Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controller
      UCC28501DW

      Mfr.#: UCC28501DW

      OMO.#: OMO-UCC28501DW

      		 Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controller
      UCC28502DW

      Mfr.#: UCC28502DW

      OMO.#: OMO-UCC28502DW

      		 Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controller
      UCC28501DWTRG4

      Mfr.#: UCC28501DWTRG4

      OMO.#: OMO-UCC28501DWTRG4

      		 Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controller
      UCC28503DWR

      Mfr.#: UCC28503DWR

      OMO.#: OMO-UCC28503DWR-1190

      		 Nuovo e originale
      UCC28502DWTRG4

      Mfr.#: UCC28502DWTRG4

      OMO.#: OMO-UCC28502DWTRG4-TEXAS-INSTRUMENTS

      		 IC PFC CTRLR AVERAGE CURR 20SOIC
      UCC28500DWTRG4

      Mfr.#: UCC28500DWTRG4

      OMO.#: OMO-UCC28500DWTRG4-TEXAS-INSTRUMENTS

      		 IC PFC CTRLR AVERAGE CURR 20SOIC
      UCC28501DWTRG4

      Mfr.#: UCC28501DWTRG4

      OMO.#: OMO-UCC28501DWTRG4-TEXAS-INSTRUMENTS

      		 IC PFC CTRLR AVERAGE CURR 20SOIC
      UCC28500DW

      Mfr.#: UCC28500DW

      OMO.#: OMO-UCC28500DW-TEXAS-INSTRUMENTS

      		 Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controlle
      UCC28500N

      Mfr.#: UCC28500N

      OMO.#: OMO-UCC28500N-TEXAS-INSTRUMENTS

      		 Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controlle
      Disponibilità
      Azione:
      Available
      Su ordine:
      4500
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