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Regulator has a 1.5A DC output current - Brief Article

Electronics Times, May 8, 2000

Available from Allegro MicroSystems is the SI-8050JF, a monolithic five- terminal (T0220) switching regulator IC with an output current capability of 1.5A DC.

Featuring a high efficiency of 80% and requiring four external components to implement a complete switch-mode power supply, the device comes with output voltages of 2.5, 3.3, 5, 9 and 12V and as an adjustable version.

The SI-8050J has an internal 125kHz fixed frequency oscillator, and features built-in overcurrent protection, thermal shutdown and a soft- start function. It operates over a DC input voltage range of 7 to 40V.

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The output voltage is said to be well-controlled. Temperature coefficient is /-0.5mV/degrees C, typical line regulation is 40mV and typical load regulation is 10mV. Quiescent standby current is 200 micro A maximum.

Allegro
Tel: 01932 253355
Fax: 01932 246622
Enquiry Number 501
COPYRIGHT 2000 Miller Freeman UK Ltd
COPYRIGHT 2000 Gale Group
 

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