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A8426 Datasheet (PDF) - Allegro MicroSystems

A8426 Datasheet PDF - Allegro MicroSystems
No. de pieza A8426
Descarga  A8426 Descarga

Tamaño del archivo   443.55 Kbytes
Page   16 Pages
Fabricante Electrónico  ALLEGRO [Allegro MicroSystems]
Página de inicio  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Descripción Electrónicos High Performance Photoflash Capacitor Charger

A8426 Datasheet (PDF)

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A8426 Datasheet PDF - Allegro MicroSystems

No. de pieza A8426
Descarga  A8426 Click to download

Tamaño del archivo   443.55 Kbytes
Page   16 Pages
Fabricante Electrónico  ALLEGRO [Allegro MicroSystems]
Página de inicio  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Descripción Electrónicos High Performance Photoflash Capacitor Charger

A8426 Datasheet (HTML) - Allegro MicroSystems

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A8426 Detalles de producto

Description
The A8426 is a highly integrated IC that rapidly charges photoflash capacitors for SLR cameras, digital cameras, and camcorders with integrated digital cameras. A flexible IGBT driver is integrated to save board space.
The A8426 integrates a 3.2 A-capable, 55 V-rated DMOS switch that drives the transformer in flyback configuration, allowing optimized design with tight coupling and high efficiency. The peak switch current is user-adjustable between 1 and 3.2 A, using a resistor to ground. A proprietary control scheme optimizes the capacitor charging time. Low quiescent current and low-power Standby mode current further improve system efficiency and extend battery life.

Features and Benefits
▪ Wide battery voltage range: 1.5 to 11 V
▪ Integrated 55 V DMOS switch with 3.2 A current capability
▪ User-adjustable peak current limit, from 1 to 3.2 A
▪ Secondary-side voltage sensing for easily-adjustable
   output voltage
▪ >75% efficiency
▪ Fast charging time
▪ Charge complete indication
▪ Flexible, high current IGBT driver
   ▫ Independent IGBT driver supply
   ▫ Separate sink and source pins with 6 Ω pull-up and
      20 Ω pull-down
   ▫ Interlocked trigger pins improve noise immunity
▪ No primary-side Schottky diode needed

Applications include:
▪ SLR camera flash
▪ Digital camcorder/DSC combo flash
▪ 2 Li+ input strobe




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Acerca de Allegro MicroSystems


Allegro MicroSystems is a semiconductor company that designs, manufactures, and markets high-performance power and sensing solutions. The company was founded in 1990 and is headquartered in Manchester, New Hampshire, USA.

Allegro MicroSystems' product portfolio includes Hall-effect sensors, power ICs, motor drivers, and magnetic digital position sensors. These products are used in a wide range of applications, including automotive, industrial, and consumer electronics.

Allegro MicroSystems is known for its expertise in magnetic sensing technology, which is used in many of its products. The company's products are designed to meet the highest standards of performance and reliability, and are manufactured using the latest technology and materials. Allegro MicroSystems also offers custom design and engineering services to meet the specific needs of its customers.

Allegro MicroSystems has a global presence, with sales offices and representatives located around the world. The company is dedicated to delivering innovative and reliable power and sensing solutions that meet the evolving needs of the electronics industry. In 2021, Allegro MicroSystems went public through an initial public offering (IPO) on the NASDAQ stock exchange.

*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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