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      參數(shù)資料
      型號(hào): LM2540-7D7AHF
      廠商: POWER-ONE INC
      元件分類: 電源模塊
      英文描述: 2-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE
      文件頁數(shù): 2/4頁
      文件大?。?/td> 66K
      代理商: LM2540-7D7AHF
      2
      www.power-one.com
      Edition 4/04.2001
      Cassette Style
      M Series
      Input
      Input voltage
      continuous range
      85...264 V AC
      Input frequency
      47...65(440) Hz
      Inrush current limitation
      by thermistor
      Output
      Efficiency
      Ui nom, Io nom
      up to 81 %
      Output voltage setting accuracy
      Ui nom, Io nom
      ±0.6% U
      o nom
      Output voltage switching noise
      IEC/EN 61204, total
      typ. 50 mVpp
      Line regulation
      Ui min...Ui max, Io nom, each output regulated
      typ.
      ±0.2% U
      o nom
      Load regulation
      Ui nom, 0...Io nom, each output regulated
      typ. 0.15%
      Uo nom
      Minimum load
      not required
      0 A
      Current limitation main output
      rectangular U/I characteristic
      typ. 110 %
      Io nom
      Current limitation aux. output(s) rectangular U/I characteristic
      typ. 120 %
      Io nom
      Operation in parallel
      by current limitation, only main outputs
      Hold-up time
      Ui = 230 V AC, Io nom
      typ. 90 ms
      Protection
      Input fuse
      built-in
      T 2.5 A, 250 V AC
      Input undervoltage lockout
      typ. 80 %
      Ui min
      Input overvoltage lockout
      typ. 110 %
      Ui max
      Input transient protection
      varistor or suppressor diode
      Output
      no-load, overload and short circuit proof
      Output overvoltage
      suppressor diode in each output
      typ. 150%
      Uo nom
      Overtemperature
      switch-off with auto restart
      TC typ. 100
      °C
      Control
      Output voltage adjustment
      single output types
      0...110 %
      Uo1 nom
      Inhibit
      TTL input, output(s) disabled if open circuit
      Status indication
      LEDs: OK, inhibit, overload
      Safety
      Approvals
      EN 60950, UL 1950, CSA C22.2 No. 950
      Class of equipment
      LM
      class I
      LMZ
      class II
      Protection degree
      units without options
      IP 40
      Electric strength test voltage
      class I, I/case
      2 kV AC
      class I, I/O
      4 kV AC
      class II (LMZ), I/O and I/case
      4 kV AC
      O/case
      1 kV AC
      O/O
      0.2 kV AC
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