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LB11850VA Datasheet (PDF) - ON Semiconductor

LB11850VA Datasheet PDF - ON Semiconductor
No. de pieza LB11850VA
Descarga  LB11850VA Descarga

Tamaño del archivo   113.29 Kbytes
Page   14 Pages
Fabricante Electrónico  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor
Descripción Electrónicos For Fan Motor Single-Phase Full-Wave Pre-Driver with Speed Control Function

LB11850VA Datasheet (PDF)

Go To PDF Page Descarga Datasheet
LB11850VA Datasheet PDF - ON Semiconductor

No. de pieza LB11850VA
Descarga  LB11850VA Click to download

Tamaño del archivo   113.29 Kbytes
Page   14 Pages
Fabricante Electrónico  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor
Descripción Electrónicos For Fan Motor Single-Phase Full-Wave Pre-Driver with Speed Control Function

LB11850VA Datasheet (HTML) - ON Semiconductor

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LB11850VA Detalles de producto

Overview
The LB11850VA is a single-phase bipolar fan motor driver with speed control function that works with a speed feedback signal. A highly efficient, quiet and low power consumption motor driver circuit, with a high speed accuracy and large variable speed can be implemented by adding a small number of external components.
This pre-driver is optimal for driving large scale fan motors (with large air volume and large current) such as those used in servers and consumer products.

Functions and Features
• Pre-driver for Single-phase Full-wave Drive
    ♦ PMOS-NMOS is Used as an External Power TR, Enabling High-efficiency and Low-power-consumption Drive by Means of the Low-saturation Output and Single-phase Full-wave Drive
• On-chip Speed Control Circuit
    ♦ The Speed Control (Closed Loop Control) Using a Speed Feedback Signal Makes it Possible to Achieve Higher Speed Accuracy and Lower Speed Fluctuations when Supply Voltage Fluctuates or Load Fluctuates, Compared with an Open-loop Control System. Separately Excited Upper Direct PWM Control Method is Used as the Variable-speed Control System
• External PWM Input or Analog Voltage Input Enabling Variable Speed Control
    ♦ The Speed Control Input Signal is Compatible with PWM Duty Ratio or Analog Voltages
• On-chip Soft Start Circuit
• Lowest Speed Setting Pin
    ♦ The Lowest Speed can be Set with the External Resistor
• Current Limiter Circuit Incorporated
    ♦ Chopper Type Current Limit at Start or Lock
• Reactive Current Cut Circuit Incorporated
    ♦ Reactive Current before Phase Change is Cut to Enable Silent and Low-consumption Drive
• Constraint Protection and Automatic Reset Functions Incorporated
• FG (Speed Detection), RD (Lock Detection) Output
• Constant-voltage Output Pin for Hall Bias




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La compañía fue fundada en 1999 y tiene su sede en Phoenix, Arizona.
En Semiconductor ofrece una amplia cartera de gestión de energía, semiconductores analógicos y discretos que incluyen MOSFET de potencia, diodos, rectificadores, reguladores de voltaje, entre otros.
Los productos de la compañía están diseñados para ser eficientes en energía, confiables y rentables y se utilizan en una variedad de aplicaciones, incluidas la electrónica portátil, sistemas de automatización industrial, sistemas de energía renovable y electrónica automotriz.
El semiconductor se compromete con la innovación y la satisfacción del cliente, y se compromete a proporcionar las mejores soluciones de semiconductores para satisfacer las necesidades de nuestros clientes .

*Esta información es solo para fines informativos generales, no seremos responsables de ninguna pérdida o daño causado por la información anterior.




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