參數(shù)資料
    型號(hào): LMZ1601-7ERD1AHFU
    元件分類: 電源模塊
    英文描述: 1-OUTPUT AC-DC REG PWR SUPPLY MODULE
    封裝: 168.50 X 111.20 MM, 38.70 MM HEIGHT, METAL, CASE M02, MODULE
    文件頁(yè)數(shù): 20/24頁(yè)
    文件大?。?/td> 536K
    代理商: LMZ1601-7ERD1AHFU
    M-Family
    DC-DC Converters <100 W
    Rugged Environment
    7 - 6
    Edition 2/96 - Melcher AG
    MELCHER
    The Power Partners.
    7.1
    Functional Description
    The input voltage is fed via an input fuse, an input filter, a
    rectifier 3 and an inrush current limiter 4 to the input capaci-
    tor. This capacitor sources a single transistor forward con-
    verter. Each output is powered by a separate secondary
    winding of the main transformer. The resultant voltages are
    rectified and their ripples smoothed by a power choke and
    an output filter. The control logic senses the main output
    voltage
    Uo1 and generates, with respect to the maximum
    admissible output currents, the control signal for the pri-
    mary switching transistor. This signal is fed back via a cou-
    pling transformer.
    The auxiliary outputs
    Uo2 and Uo3 are individually regulated
    by means of secondary switching transistors. Each aux-
    iliary output's current is sensed using a current transformer.
    If one of the outputs is driven into current limit, the other
    outputs will reduce their output voltages as well because all
    output currents are controlled by the same control circuit.
    Fig. 1b
    DC-DC (AC-DC) converter block diagram,
    class II equipment (double insulation)
    1 Transient suppressor (VDR) in C/D/E/F/LM and C/D/LMZ
    2 Transient suppressor diode in A/B/C/FM and CMZ types
    3 Bridge rectifier in LM/LMZ, series diode in EM types
    4 Inrush current limiter (NTC) in C/D/E/LM and C/D/LMZ types
    (option E: refer to the description of option E)
    5 Single output modules A...LM 1000 and C/D/LMZ 1000 with
    feature R
    Fig. 1a
    DC-DC (AC-DC) converter block diagram, class I equipment
    Input
    filter
    Output 1
    filter
    Output 3
    filter
    Output 2
    filter
    Control
    circuit
    Main control circuit
    Control
    circuit
    1
    2
    Fuse
    P
    29
    11
    8
    23
    5
    26
    32
    17
    14
    20
    2
    14
    17
    4
    3
    Forward
    converter
    approx.
    70
    kHz
    5
    Y
    MKT
    Input
    filter
    Output 1
    filter
    Output 3
    filter
    Output 2
    filter
    Control
    circuit
    Main control circuit
    Control
    circuit
    1
    2
    Fuse
    P
    29
    11
    8
    23
    5
    32
    17
    14
    20
    2
    14
    17
    4
    3
    Forward
    converter
    approx.
    70
    kHz
    5
    Y
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