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TEXAS INSTRUMENTS  UC2901D  ISOLATED FEEDBACK GENERATOR, SOIC-14

TEXAS INSTRUMENTS UC2901D
Technical Data Sheet (593.98KB) EN See all Technical Docs

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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

 

Product Information

Reference Output Current:
-35mA
Digital IC Case:
SOIC
No. of Pins:
14Pins
Feedback Generator Applications:
Supports Defence, Aerospace and Medical Applications
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Packaging:
Each
Supply Voltage Max:
40 V
MSL:
MSL 2 - 1 year
Supply Voltage Range:
4.5V to 40V
Product Range:
-
SVHC:
To Be Advised
Supply Voltage Min:
4.5 V

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Applications

  • Industrial

Legislation and Environmental

Moisture Sensitivity Level:
MSL 2 - 1 year
RoHS Compliant:
Yes

Substitutes

ISOLATED FEEDBACK GENERATOR, SOIC-14

TEXAS INSTRUMENTS

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