UC2844D8TR

Mfr. #:: UC2844D8TR
Descripción:: Switching Controllers Current-Mode PWM Controller
Ciclo vital:: Nuevo de este fabricante.
Ficha de datos:: UC2844D8TR Ficha de datos
Entrega:: DHL FedEx Ups TNT EMS
Pago:: T/T Paypal Visa MoneyGram Western Union
ECAD Model:
Más información:: UC2844D8TR más información UC2844D8TR Product Details

Atributo del producto
Valor de atributo

Fabricante:: Instrumentos Texas

Categoria de producto:: Controladores de conmutación

RoHS:: Y

Topología:: Impulsar, retroceder, avanzar

Número de salidas:: 1 Output

Frecuencia de cambio:: 500 kHz

Ciclo de trabajo - Máx .:: 50 %

Voltaje de entrada:: - 300 mV to + 6.3 V

Tensión de salida:: 5 V

Corriente de salida:: 1 A

Temperatura mínima de funcionamiento:: - 40 C

Temperatura máxima de funcionamiento:: + 85 C

Estilo de montaje:: SMD / SMT

Paquete / Caja:: SOIC-8

Embalaje:: Carrete

Aislamiento:: No aislado

Rango de temperatura de funcionamiento:: - 40 C to + 85 C

Producto:: Controladores de conmutación

Serie:: UC2844

Escribe:: Controladores PWM en modo actual

Marca:: Instrumentos Texas

Apagar:: Apagar

Otoño:: 50 ns

Corriente de suministro de funcionamiento:: 11 mA

Voltaje de suministro operativo:: 30 V

Tipo de producto:: Controladores de conmutación

Hora de levantarse:: 50 ns

Cantidad de paquete de fábrica:: 2500

Subcategoría:: PMIC: circuitos integrados de administración de energía

Unidad de peso:: 0.002561 oz

Tags: UC2844D8T, UC2844D8, UC2844D, UC2844, UC284, UC28, UC2

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

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

UC2844D8TR Puntajes y reseñas

D***N

I was very helped by these diodes and i repaired the multivark. I needed one pwm, one resistor 22r2w, two stabilitron, one on 5v6, the other on 11 v, and one diode 1n4007. I had to buy for this 3 mikruhi, 200 stabilitrons, 60 resistors, 80 diodes, 10 landing dip8, and a bunch of extra stuff, solder, rosin, multimeter, transistor tester. And it's all that one multivark to repair. All the sellers were satisfied, the owner of the multivarka too. It lay almost a year after the zero wire burned off at the substation and 380 v went into the apartments. I am also very glad to repair, as this allows to protect nature from pollution. I advise everyone to repair! Delivery is fast enough in scale time repair multivarka. Since i had to wait for other details.

2019-03-03

P***v

Received, externally everything is fine until i checked

2019-03-31

UC2844D8TR Descripción

***as Instruments: Current-Mode PWM Controller 8-SOIC -40 to 85

***et Europe: Current Mode PWM Controller 1A 8-Pin SOIC T/R

***ser: PWM Power Supply Controllers Current-Mode PWM Controller

***i-Key: IC PWM BOOST FLYBCK ISO CM 8SOIC

***ical: UCx84x Current-Mode PWM Controllers

***et: (T/R) CUR MODE PWM CONT

***ark: Pulse Width Modulation (PWM) Controller IC; Frequency:450kHz; Power Dissipation, Pd:650mW; No. of Pins:8; Operating Temperature Range:-40°C to +85°C; Control Mode:Current; Leaded Process Compatible:Yes; Number of PWM Outputs:1 ;RoHS Compliant: Yes

***AS INSTRUMENT: The UCx84x series of control integrated circuits provide the features that are necessary to implement off-line or DC-to-DC fixed-frequency current-mode control schemes, with a minimum number of external components. The internally implemented circuits include an undervoltage lockout (UVLO), featuring a start-up current of less than 1 mA, and a precision reference trimmed for accuracy at the error amplifier input. Other internal circuits include logic to ensure latched operation, a pulse-width modulation (PWM) comparator that also provides current-limit control, and a totem-pole output stage that is designed to source or sink high-peak current. The output stage, suitable for driving N-channel MOSFETs, is low when it is in the off state.

***INS: The UCx84x family offers a variety of package options, temperature range options, choice of maximum duty cycle, and choice of turnon and turnoff thresholds and hysteresis ranges. Devices with higher turnon or turnoff hysteresis are ideal choices for off-line power supplies, while the devices with a narrower hysteresis range are suited for DC-DC applications. The UC184x devices are specified for operation from –55°C to 125°C, the UC284x series is specified for operation from –40°C to 85°C, and the UC384x series is specified for operation from 0°C to 70°C.

Market price

Parte #	Descripción	Valores	Precio
UC2844D8TR DISTI # 31717316	Current Mode PWM Controller 1A 8-Pin SOIC T/R RoHS: Compliant	10000	2500:$0.5381
UC2844D8TR DISTI # 296-44341-1-ND	IC PWM BOOST FLYBCK ISO CM 8SOIC RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	5450In Stock	1000:$0.6566 500:$0.8317 100:$1.0068 10:$1.2910 1:$1.4400
UC2844D8TR DISTI # 296-44341-6-ND	IC PWM BOOST FLYBCK ISO CM 8SOIC RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	5450In Stock	1000:$0.6566 500:$0.8317 100:$1.0068 10:$1.2910 1:$1.4400
UC2844D8TR DISTI # 296-44341-2-ND	IC PWM BOOST FLYBCK ISO CM 8SOIC RoHS: Compliant Min Qty: 2500 Container: Tape & Reel (TR)	5000In Stock	12500:$0.5440 5000:$0.5653 2500:$0.5950
UC2844D8TR DISTI # V39:1801_07428093	Current Mode PWM Controller 1A 8-Pin SOIC T/R RoHS: Compliant	0
UC2844D8TR DISTI # V72:2272_07428093	Current Mode PWM Controller 1A 8-Pin SOIC T/R RoHS: Compliant	0
UC2844D8TR DISTI # UC2844D8TR	Current Mode PWM Controller 1A 8-Pin SOIC T/R - Tape and Reel (Alt: UC2844D8TR) RoHS: Compliant Min Qty: 2500 Container: Reel	Americas - 0	2500:$0.6159 5000:$0.5869 10000:$0.5669 15000:$0.5479 25000:$0.5329
UC2844D8TR DISTI # UC2844D8TR	Current Mode PWM Controller 1A 8-Pin SOIC T/R (Alt: UC2844D8TR) RoHS: Compliant Min Qty: 2500 Container: Tape and Reel	Asia - 0
UC2844D8TR DISTI # UC2844D8TR	Current Mode PWM Controller 1A 8-Pin SOIC T/R (Alt: UC2844D8TR) RoHS: Compliant Min Qty: 2500 Container: Tape and Reel	Europe - 0	2500:€0.8679 5000:€0.7099 10000:€0.6509 15000:€0.5579 25000:€0.5199
UC2844D8TR	Current-Mode PWM Controller	4990	1000:$0.4800 750:$0.5400 500:$0.6800 250:$0.8300 100:$0.9000 25:$1.0500 10:$1.1400 1:$1.2700
UC2844D8TR DISTI # 595-UC2844D8TR	Switching Controllers Current-Mode PWM Controller RoHS: Compliant	10326	1:$1.4000 10:$1.1900 100:$0.9140 500:$0.8080 1000:$0.6380 2500:$0.5660 10000:$0.5440
UC2844D8 DISTI # 595-UC2844D8	Switching Controllers Current Mode RoHS: Compliant	496	1:$1.6200 10:$1.3800 100:$1.0600 500:$0.9370 1000:$0.7400 2500:$0.6560 10000:$0.6320
UC2844D8TRG4 DISTI # 595-UC2844D8TRG4	Switching Controllers Current-Mode PWM Controller RoHS: Compliant	0
UC2844D8TR	Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDSO8 RoHS: Compliant	43	1000:$0.5700 500:$0.6000 100:$0.6200 25:$0.6500 1:$0.7000

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Disponibilidad

Valores:: Available
En orden:: 1993
Ingrese la cantidad:

El precio actual de UC2844D8TR 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]

Precio de referencia (USD)

Cantidad
Precio unitario
Ext. Precio

1: ~~1,40 US$~~; ~~1,40 US$~~

10: ~~1,19 US$~~; ~~11,90 US$~~

100: ~~0,91 US$~~; ~~91,40 US$~~

500: ~~0,81 US$~~; ~~404,00 US$~~

1000: ~~0,64 US$~~; ~~638,00 US$~~

Debido a la escasez de semiconductores a partir de 2021, el precio inferior es el precio normal antes de 2021. Envíe una consulta para confirmar.

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UC2844D8TR

Step1:Vacuum Packaging with PL

Step2:Anti-Static Bag

Step3:Packaging Boxes

D***N

P***v

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes