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TI UCC28C44DR
Boost, Flyback, Forward Converter Regulator Positive Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC
Marcas: ti
Parte do fabricante #: UCC28C44DR
Ficha de dados: UCC28C44DR Ficha de dados (PDF)
Pacote/Caso: SOIC (D)-8
Status RoHS:
Condição de estoque: 7321 peças, novo original
Warranty: 1 Year Ovaga Warranty - Find Out More
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1
*Todos os preços estão em USD
| Quantidade | Preço unitário | Preço Externo |
|---|---|---|
| 1 | $0,699 | $0,699 |
| 10 | $0,577 | $5,770 |
| 30 | $0,515 | $15,450 |
| 100 | $0,455 | $45,500 |
| 500 | $0,383 | $191,500 |
| 1000 | $0,363 | $363,000 |
In Stock:7321 PCS
UCC28C44DR Descrição geral
The UCCx8C4x family are high-performance, current-mode PWM controllers. The UCCx8C4x is an enhanced BiCMOS version with pin-for-pin compatibility to the industry standard UCx84xA family and UCx84x family of PWM controllers. The BiCMOS technology offers lower power consumption to improve efficiency as well as faster current sense and oscillator frequency.
In addition, lower startup voltage versions of 7 V are offered as UCCx8C40 and UCCx8C41 for use in battery systems. The UCC28C4x series is specified for operation from –40°C to 125°C, and the UCC38C4x series is specified for operation from 0°C to 85°C.
Providing necessary features to control fixed frequency, peak current-mode power supplies, this family offers the following performance advantages. The device offers high-frequency operation up to 1 MHz, suitable for high speed applications. The trimmed discharge current enables more precise programming of the maximum duty cycle and dead-time limit when compared to the UCCx8C4x family. Reduced start-up and operating currents minimizes start-up loss and low operating power consumption for improved efficiency. The device also features a fast current-sense-to-output delay time of 35 ns for superior overload protection at the power switch, and a ±1-A peak output current capability with improved rise and fall times for driving large external MOSFETs directly.
The UCCx8C4x family is offered in 8-pin VSSOP (DGK) and 8-pin SOIC (D) packages.
Características
- Enhanced replacement for UCx84x and UCx84xA family with pin-to-pin compatibility
- Operating frequency: 1 MHz Maximum
- 50-µA Startup Current, 100-µA Maximum
- Low operating current: 2.3 mA (at fOSC = 52 kHz)
- Fast, cycle-by-cycle overcurrent limiting: 35-ns
- Peak driving current: ±1-A. Rail-to-rail output:
- 25-ns rise time
- 20-ns fall time
- ±1% accurate 2.5-V error amplifier reference
- Trimmed oscillator discharge current
- Undervoltage lockout protections
- VSSOP-8 package minimizes board space
Especificações
| Parâmetro | Valor | Parâmetro | Valor |
|---|---|---|---|
| Topology | Boost, Buck, Flyback, Forward, SEPIC | Control mode | Current |
| Duty cycle (max) (%) | 50 | Switching frequency (max) (kHz) | 1000 |
| Features | Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology, Programmable max duty cycle | UVLO thresholds on/off (V) | 14.5/9 |
| Operating temperature range (°C) | -40 to 125 | Rating | Catalog |
| Gate drive (typ) (A) | 1 |
Envio
| Tipo de envio | Taxa de envio | Tempo de espera | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 dias |
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FedEx | $20.00-$40.00 (0.50 KG) | 2-5 dias |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 dias |
 |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 dias |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 dias |
 |
CORREIO AÉREO REGISTADO | $20.00-$40.00 (0.50 KG) | 2-5 dias |
Tempo de processamento: A taxa de envio depende de diferentes zonas e países.
Pagamento
| Termos de pagamento | Taxa de mão | |
|---|---|---|
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Transferência bancária | cobrar taxa bancária de US$ 30,00. |
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PayPal | cobrar taxa de serviço de 4,0%. |
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Cartão de crédito | cobrar taxa de serviço de 3,5%. |
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Western Union | charge US.00 banking fee. |
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Grama de dinheiro | cobrar taxa bancária de US$ 0,00. |
Garantias
1.Os componentes eletrônicos que você compra incluem garantia de 365 dias, garantimos a qualidade do produto.
2. se alguns dos itens que você recebeu não forem de qualidade perfeita, providenciaremos seu reembolso ou substituição com responsabilidade. Mas os itens devem permanecer em sua condição original.
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Fora da etiqueta da embalagem ESD serão utilizadas as informações da nossa empresa: Número da peça, marca e quantidade.
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Depois que todas as mercadorias forem garantidas sem problemas na pós-embalagem, embalaremos com segurança e enviaremos por expresso global. Apresenta excelente resistência a perfurações e rasgos, além de boa integridade de vedação.
Part points
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The UCC28C44DR is a high-performance voltage mode controller IC designed for power supply applications. It features adjustable frequency operation, precise voltage references, and programmable soft-start functionality. This chip is ideal for flyback, forward, and half-bridge converter topologies with high efficiency and reliability. It is available in an SOIC-8 package for easy integration into various power supply designs.
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Equivalent
Some equivalent products to the UCC28C44DR chip are the UCC28C42DR, UCC28C43DR, and UCC28C45DR. These chips are in the same series and offer similar functionality for power management applications. -
Features
The UCC28C44DR is a highly efficient resonant mode power supply controller that features integrated frequency control, high voltage startup, cycle-by-cycle peak current limit, and low power standby mode. It also includes soft start and adjustable switching frequency options, making it ideal for various power supply applications. -
Pinout
The UCC28C44DR is a 16-pin integrated circuit with functions as a current mode PWM controller. It is commonly used for controlling switching power supplies. The device features input undervoltage lockout, pulse-by-pulse current limiting, and a 2A peak gate drive output. -
Manufacturer
The manufacturer of UCC28C44DR is Texas Instruments. Texas Instruments is an American multinational semiconductor company that designs and manufactures semiconductors and integrated circuits for various electronic equipment and devices. -
Application Field
The UCC28C44DR is commonly used in power supply applications such as offline AC-to-DC converters, LED drivers, and industrial power supplies. It can also be used in battery chargers, DC-DC converters, and telecommunications equipment. The device is versatile and can be employed in various low-power and high-power applications. -
Package
The UCC28C44DR chip comes in a SOIC-8 package type, with a size of 4.9mm x 3.9mm.
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