Latched, Universal Input-voltage Switches Microsystems

Intended for power supplies with universal inputs (85 V to 265 V rms), the STR83145 and STR84145 latched, universal input-voltage switches incorporate Timing control, and drive circuitry with a high- current Triac (bidirectional triode thyristor) Switch Each device senses the applied ac line potential and automatically switches the Rectifier and associated capacitors between a voltage-doubler configuration (for line voltages to 141 V) and a full-bridge configuration (for line voltages greater than 149 V). This eliminates the possibility of user error with adjustable jumpers or switches. Also, the related switch-mode power stage need operate only over a reduced range of dc input voltages when compared with "wide input" power supplies using a Bridge Rectifier only. The reduction in dc input voltage range permits the use of lower- voltage capacitors and leads to a reduction in power stage stresses and power dissipation. The STR83145 and STR84145 differ only in their maximum ac current rating (10 A and 12 A, respectively). By Allegro MicroSystems, Inc.
STR84145 's PackagesSTR84145 's pdf datasheet



STR84145 Pinout, Pinouts
STR84145 pinout,Pin out
This is one package pinout of STR84145,If you need more pinouts please download STR84145's pdf datasheet.

STR84145 Application circuits
STR84145 circuits
This is one application circuit of STR84145,If you need more circuits,please download STR84145's pdf datasheet.


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