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A8837EEJTR-T Datasheet (PDF) - Allegro MicroSystems

A8837EEJTR-T Datasheet PDF - Allegro MicroSystems
Part # A8837EEJTR-T
Download  A8837EEJTR-T Download

File Size   426.03 Kbytes
Page   11 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description Photoflash Capacitor Charger with IGBT Driver

A8837EEJTR-T Datasheet (PDF)

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A8837EEJTR-T Datasheet PDF - Allegro MicroSystems

Part # A8837EEJTR-T
Download  A8837EEJTR-T Click to download

File Size   426.03 Kbytes
Page   11 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description Photoflash Capacitor Charger with IGBT Driver

A8837EEJTR-T Datasheet (HTML) - Allegro MicroSystems

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A8837EEJTR-T Product details

Description
The A8837 is a highly integrated IC that charges photoflash capacitors for digital and film cameras. An integrated MOSFET switch drives the transformer in a flyback topology. It also features an integrated IGBT driver that facilitates the flash discharge function and saves board space.
The CHARGE pin enables the A8837 and starts the charging of the output capacitor. When the designated output voltage is reached, the A8837 stops the charging until the CHARGE pin is toggled again. The DONE pin is an open-drain indicator of when the designated output voltage is reached.

Features and Benefits
▪ Power with 1 Li+ or 2 Alkaline/NiMH/NiCAD batteries
▪ Eight-level, digitally-programmable current limits from
   700 mA to 2 A
▪ Voltage sensing feedback before output diode for low
   leakage
▪ Adjustable output voltage
▪ No primary-side Schottky diode needed
▪ Integrated IGBT driver with trigger
▪ Charge complete indication
▪ >75% efficiency
▪ Low-profile (0.75 mm high) 3 mm × 3 mm MLP/TDFN
   10-contact package

Applications include the following:
▪ Digital camera flash
▪ Film camera flash
▪ Cell phone flash
▪ Emergency strobe light




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About 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.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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