STR-A6251M Datasheet - Allegro MicroSystems

STR-A6251M - Universal-Input/15 W 67 kHz Flyback Switching Regulator

and applications information is provided in Application Note 28103.40, Series STRA6200 Flyback Switching Regulators. The products described herein are manufactured in Japan by Sanken Electric Co., Ltd. for sale by Allegro MicroSystems, Inc. Sanken and Allegro reserve the right to make, from time to.

g n i h tors c t i a Sw egul R STR-A6251M Universal-Input/15 W 67 kHz Flyback Switching Regulator The STR-A6251M is a 67 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. This is a higher-frequency version of the STR-A6251. Covering the power range from below 21 watts .

STR-A6251M Features

* 67 kHz PWM with ±5% Frequency Jittering Cost Reduction of EMI Noise Filtering

* Rugged 650 V Avalanche-Rated MOSFET Simplified Surge Absorption No VDSS Derating Required

* Low rDS(on) (3.95 Ω maximum)

* Auto-Burst Mode for Stand-By Operation or Light Loads Less Transformer Audible

STR-A6251M_AllegroMicroSystems.pdf