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STR-A6259H Datasheet (PDF) - Allegro MicroSystems

STR-A6259H Datasheet PDF - Allegro MicroSystems
Part # STR-A6259H
Download  STR-A6259H Download

File Size   897.2 Kbytes
Page   13 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description Universal-Input 13 W 100 kHz Flyback Switching Regulators

STR-A6259H Datasheet (PDF)

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STR-A6259H Datasheet PDF - Allegro MicroSystems

Part # STR-A6259H
Download  STR-A6259H Click to download

File Size   897.2 Kbytes
Page   13 Pages
Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems
Description Universal-Input 13 W 100 kHz Flyback Switching Regulators

STR-A6259H Datasheet (HTML) - Allegro MicroSystems


STR-A6259H Product details

The STR-A6259H is a 100 kHz PWM topology (with ±5% frequency jittering for minimum EMI) regulator specifically designed to satisfy the requirements for increased integration and reliability in flyback converters. It incorporates a primary control and drive circuit with an avalanche-rated power MOSFET. Covering the power range from below 17 watts for a 230 VAC input, or to 13 watts for a universal (85 to 264 VAC) input, this device can be used in a wide range of applications, from DVD players and VCR player/recorders to ac adapters for cellular phones and digital cameras. An auto-burst standby function reduces power consumption at light load, while multiple protections, including the avalanche-energy guaranteed MOSFET, provide high reliability of system design.



FEATURES AND BENEFITS

100 kHz PWM with ±5% frequency jittering for EMI noise filtering cost reduction

Rugged 650 V avalanche-rated MOSFET:

  • Simplified surge absorption

  • No VDSS derating required

Low RDS(on) : 6 Ω maximum

Auto-burst mode for stand-by operation or light loads; less transformer audible noise

Built-in leading edge blanking

Soft start and low start-up current; start-up circuit disabled in operation

Auto-burst stand-by (intermittent operation) input power <0.1 W at no load

Built-in constant-voltage/constant current (CV/CC)

Multiple protections:

   • Pulse-by-pulse overcurrent protection (OCP)

   • Overload protection (OLP) with auto restart

   • Latching overvoltage protection (OVP)

   • Undervoltage lockout (UVLO) with hysteresis

   • Latching thermal shutdown (TSD)



 




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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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