Pedidos acima de
$5000L4981AD
Operating at 115 kHz frequency
Marcas: Stmicroelectronics
Parte do fabricante #: L4981AD
Ficha de dados: L4981AD Ficha de dados (PDF)
Pacote/Caso: SO-20
Tipo de Produto: PFC (Power Factor Correction)
Status RoHS:
Condição de estoque: 9.458 peças, novo original
Warranty: 1 Year Ovaga Warranty - Find Out More
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L4981AD Descrição geral
The L4981AD is a high voltage, high-speed switching regulator designed for use in power supply applications. It operates at a fixed frequency of 100kHz and has a voltage range of 8V to 60V, making it suitable for a wide range of input voltages. This switching regulator features a built-in overload and short-circuit protection circuit, ensuring the safety of the device and any connected components. It also has a low power standby mode, reducing power consumption during idle periods.The L4981AD has a maximum output current of 1.5A and provides an output voltage that is adjustable from 5V to 50V. It also includes a soft-start function to prevent high inrush currents during start-up.In addition, the L4981AD has a thermal shutdown feature to protect against overheating and comes in a compact, thermally efficient package.
Características
Aplicativo
Especificações
Parâmetro | Valor | Parâmetro | Valor |
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ECCN US | EAR99 | ECCN EU | NEC |
Packing Type | Tube | RoHs compliant | Ecopack2 |
Grade | Industrial |
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 | |
FedEx | $20.00-$40.00 (0.50 KG) | 2-5 dias | |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 dias | |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 dias | |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 dias | |
CORREIO AÉREO REGISTADO | $20.00-$40.00 (0.50 KG) | 2-5 dias |
Tempo de processamento: A taxa de envio depende de diferentes zonas e países.
Pagamento
Termos de pagamento | Taxa de mão | |
---|---|---|
Transferência bancária | cobrar taxa bancária de US$ 30,00. | |
PayPal | cobrar taxa de serviço de 4,0%. | |
Cartão de crédito | cobrar taxa de serviço de 3,5%. | |
Western Union | charge US.00 banking fee. | |
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.
Embalagem
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Etapa1 :produtos
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Etapa2 :Embalagem a vácuo
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Etapa3 :Saco antiestático
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Etapa4 :Embalagem individual
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Etapa5 :Caixas de embalagem
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Etapa6 :etiqueta de envio com código de barras
Todos os produtos serão embalados em saco antiestático. Envio com proteção antiestática ESD.
Fora da etiqueta da embalagem ESD serão utilizadas as informações da nossa empresa: Número da peça, marca e quantidade.
Iremos inspecionar todas as mercadorias antes do envio, garantir que todos os produtos estejam em boas condições e garantir que as peças sejam novas folhas de dados originais.
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 L4981AD is a voltage-mode PWM controller IC designed for use in offline flyback converters. It features a wide input voltage range, integrated MOSFET driver, adjustable current limit, soft-start function, and various protection features. This chip is commonly used in a variety of power supply applications where high efficiency and reliable performance are required.
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Equivalent
The equivalent products of the L4981AD chip are the L4982A, L4982AD, and L4982D chips. These chips are specifically designed for controlling electronic systems using Power Factor Correction (PFC) topology, all offering similar features and functionality to the L4981AD. -
Features
The L4981AD is a voltage regulator IC. Its features include an output voltage range of 1.23V to 37V, a maximum output current of 2A, and a high efficiency over a wide load range. It incorporates thermal shutdown and adjustable current limiting for protection. -
Pinout
The L4981AD is an offline primary switcher IC. It features an 8-pin DIP package with the following pin functions: 1. GND (Ground) 2. CS (Current Sense) 3. RT (Timer) 4. Vcc (Supply Voltage) 5. GND (Ground) 6. FB (Feedback) 7. OUT (Output) 8. Vcc (Supply Voltage) -
Manufacturer
The L4981AD is manufactured by STMicroelectronics. STMicroelectronics is a multinational semiconductor company specializing in providing a wide range of semiconductor solutions for various industries, including automotive, industrial, consumer electronics, and telecommunications. They are known for their innovation in microelectronics and their contributions to the development of advanced technologies. -
Application Field
The L4981AD is a versatile PWM controller IC primarily used in power management applications such as AC/DC converters, offline flyback converters, and LED lighting drivers. Its features make it suitable for various power supply designs, including those requiring high efficiency and compact size. -
Package
The L4981AD chip is a voltage regulator in a TO-220 package. It's a through-hole package type, commonly used in power electronics for easy mounting on PCBs. The TO-220 package form is a rectangular, metal tab with three leads. Sizes vary, but it typically measures around 10mm x 15mm.
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