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UC2901D - 

ISOLATED FEEDBACK GENERATOR, SOIC-14

UC2901D - ISOLATED FEEDBACK GENERATOR, SOIC-14

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Manufacturer Part No:
UC2901D
Newark Part No.:
77C3076
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The UC2901D 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 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 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

Applications

Industrial

Product Information

:
-35mA
:
4.5V
:
40V
:
SOIC
:
14Pins
:
Supports Defence, Aerospace and Medical Applications
:
-40°C
:
85°C
:
Each
:
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