5962-8944101CA by Texas Instruments | APACFeedback Signal Generators | Avnet ASIA
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信息

5962-8944101CA

Texas Instruments

FB Generator Isolated Fb Generator 14-Pin CDIP Tube

製造商產品編號: 5962-8944101CA

替代料號: 5962-8944101CA


通過RoHS認證

描述

文檔

替代/替換

資料

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 DRIVERA output, DRIVERB 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.

技術參數

  • An Amplitude-Modulation System for Transformer Coupling an Isolated Feedback Error Signal
  • Low-Cost 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
  • 技術屬性

    描述
    尋找類似物料
    Mounting
    Through Hole
    Max Processing Temp
    300
    Supplier Package
    CDIP
    Screening Level
    Military
    Operating Temperature
    -55 to 125 °C
    Output Current
    35 mA
    Reference Voltage
    1.5 V
    Pin Count
    14
    Type
    Isolated Feedback Generator
    Product Dimensions
    19.56 x 6.92 x 4.57 mm

    ECCN/UNSPSC

    描述
    ECCN:
    EAR99
    計劃交貨期 B:
    8542390000
    HTSN:
    8542310000
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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