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UC3901N

IC, ISOLATED FB GENERATOR 14-DIP

Date/Lot Code
TEXAS INSTRUMENTS UC3901N
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Proizvajalčeva št. dela:
UC3901N
Številka naročila:
3124325

Pregled izdelka

The UC3901N is an Isolated Feedback Generator 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. This device features 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 this device 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.
  • An amplitude-modulation system for transformer coupling an isolated feedback error signal
  • Alternative to optical couplers
  • Internal 1% reference and error amplifier
  • Internal carrier oscillator usable to 5MHz
  • Modulator synchronizable to an external clock
  • Loop status monitor
  • Green product and no Sb/Br

Področja uporabe

Industrial

INFORMACIJE O IZDELKU

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:
10mA

:
4.5V

:
40V

:
DIP

:
14Pins

:
Supports Defence, Aerospace and Medical Applications

:
0°C

:
70°C


:
MSL 1 - Unlimited

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Tehnični dokumenti (1)

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