UC1901J.883B

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SCIx0649
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The UC1901 family is designed to solve many of the problems associated with closing a feedback control loop across a voltage isolation boundary. As a stable and reliable alternative to an optical coupler, these devices feature an amplitude modulation system which allows a loop error signal to be coupled with a small RF transformer or capacitor. The programmable, high-frequency oscillator within the UC1901 series permits the use of smaller, less expensive transformers which can readily be built to meet the isolation requirements of today's line-operated power systems. As an alternative to RF operation, the external clock input to these devices allows synchronization to a system clock or to the switching frequency of a SMPS. An additional feature is a status monitoring circuit which provides an active low output when the sensed error voltage is within ±10% of the reference. The DRIVER A output, DRIVER B output, and STATUS output are disabled until the input supply has reached a sufficient level to allow proper operation of the device. Since these devices can also be used as a DC driver for optical couplers, the benefits of 4.5 to 40V supply operation, a 1% accurate reference, and a high gain general purpose amplifier offer advantages even though an AC system may not be desired.

More Information
Brand Generic
GTIN 1,
IC type N/A
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Stock

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ETA

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Available

Self Pickup

1 Day

Free

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inside UAE

2 - 3 Days

22 AED / Free Above 50 AED

Available

International

4 - 7 Days

180 AED / 49 $

pre-order

General

2 Weeks

 

UC1901J.883B

AED 100.00