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High-Performance Power ICs and Hall-Effect Sensors
Allegro Introduces Low-Power Off-Line SMPS Primary
Switchers
Sanken's ICs offer frequency jittering for SMPS up to 20 W universal
input 
Worcester, MA - August 18, 2005 — Allegro continues to expand its power management family with the STR-A6251D/51MD/52D from Sanken Electric Company, Ltd. Allegro is a wholly owned subsidiary of Sanken Electric Company, Ltd., a $1.4 billion company that manufactures semiconductors, discretes, LEDs, and switch-mode power supplies, with headquarters in Saitama, Japan. The two companies jointly develop and market leading-edge products in the areas of power management and motion control.
The series STR-A6200 is comprised of relatively low-output power off-line PWM topology switching regulator ICs that have a jittering function for cost reduction of EMI noise-filtering circuits. An external adjustment capability provides an optimum jitter-frequency setting. Each device includes various critical and useful functions to realize a simple and reliable design in a switched-mode power supply system, such as primary controlled CV/CC operation, auto-standby, soft-start, protections (overload, overcurrent, overvoltage and thermal), and an avalanche-energy-guaranteed MOSFET.
Targeted at the consumer, communication, industrial and home appliance markets, the series STR-A6200 is provided in a DIP-8 package.
Allegro MicroSystems, Inc. is a supplier of advanced mixed-signal power semiconductors and Hall-effect sensors targeted toward the automotive, communications, computer/office automation, consumer and industrial markets. It maintains a leadership position in the integrated magnetic sensor and integrated motor driver product segments. With more than 2,000 employees, Allegro is headquartered in Worcester, MA. Further information about Allegro, as well as free samples on our products, can be found at www.allegromicro.com.
Editorial Contact:
Stephanie A. Fennelly
Director – Marketing Communications
Tel: (508) 854-5363
sfennelly@allegromicro.com