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UCC28501NG4

UCC28501NG4
Mfr. #:
UCC28501NG4
Descripción:
Power Factor Correction - PFC BiCMOS PFC/PWM Comb Controller
Ciclo vital:
Nuevo de este fabricante.
Ficha de datos:
UCC28501NG4 Ficha de datos
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Más información:
UCC28501NG4 más información UCC28501NG4 Product Details
Atributo del producto
Valor de atributo
Fabricante:
Instrumentos Texas
Categoria de producto:
Corrección del factor de potencia - PFC
RoHS:
Y
Frecuencia de cambio:
115 kHz
Temperatura mínima de funcionamiento:
- 40 C
Temperatura máxima de funcionamiento:
+ 85 C
Estilo de montaje:
A través del orificio
Paquete / Caja:
PDIP-20
Embalaje:
Tubo
Altura:
4.57 mm
Longitud:
24.33 mm
Escribe:
IC de corrección del factor de potencia
Ancho:
6.35 mm
Marca:
Instrumentos Texas
Tipo de producto:
PFC - Corrección del factor de potencia
Cantidad de paquete de fábrica:
1
Subcategoría:
PMIC: circuitos integrados de administración de energía
Unidad de peso:
0.079719 oz
Tags
UCC28501, UCC2850, UCC285, UCC28, UCC2, UCC
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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.
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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
***ark
Power Factor Controller IC; Frequency:0.2MHz; Supply Voltage Max:18V; Package/Case:20-PDIP; No. of Pins:20; Operating Temperature Range:-40°C to +85°C; Startup Current:0.15mA; Supply Current:4mA; Digital IC Case Style:DIP ;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 # Descripción Valores Precio
UCC28501NG4
DISTI # UCC28501NG4-ND		IC PFC CTRLR AVERAGE CURR 20DIP
RoHS: Compliant
Min Qty: 80
Container: Tube		Limited Supply - Call
    Imagen Parte # Descripción
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    OMO.#: OMO-UCC2808N-1

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    OMO.#: OMO-UCC2813N-4

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    OMO.#: OMO-UCC28C42DRG4-TEXAS-INSTRUMENTS

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    OMO.#: OMO-UCC2808AN-2-TEXAS-INSTRUMENTS

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    Mfr.#: UCC2813N-2

    OMO.#: OMO-UCC2813N-2-TEXAS-INSTRUMENTS

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    Mfr.#: UCC28600DRTI

    OMO.#: OMO-UCC28600DRTI-1190

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    OMO.#: OMO-UCC28811DG4-TEXAS-INSTRUMENTS

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    Mfr.#: UCC28C45DR , IRLML6344TR

    OMO.#: OMO-UCC28C45DR-IRLML6344TR-1190

    		 Nuevo y original
    Disponibilidad
    Valores:
    Available
    En orden:
    5000
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