參數(shù)資料
      型號(hào)： ES1301-7EPD6TB2
      廠商： POWER-ONE INC
      元件分類： 電源模塊
      英文描述： 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE
      封裝： METAL, CASE S02, MODULE
      文件頁(yè)數(shù)： 30/33頁(yè)
      文件大?。?/td> 438K
      代理商： ES1301-7EPD6TB2
      S Series Data Sheet
      100 Watt AC-DC and DC-DC Converters
      APR 26, 2006 revised to SEP 25, 2006
      Page 6 of 33
      www.power-one.com
      Input Fuse
      A fuse mounted inside the converter protects the module against
      severe defects. This fuse may not fully protect the module when
      the input voltage exceeds 200 VDC! In applications where the
      converters operate at source voltages above 200 VDC an
      external fuse or a circuit breaker at system level should be
      installed!
      The inrush current peak value (initial switch-on cycle) can be
      determined by following calculation:
      Vi source
      Iinr p = ––––––––––––––––
      (
      Rs ext + Ri + RNTC)
      Rs ext
      Ri
      RNTC
      Iinr p
      Vi source
      +
      Ci int
      05109_060805
      Reverse Polarity
      The converters (except LS) are not protected against reverse
      polarity at the input, but in general, only the input fuse will trip. LS
      models are fully protected due to the built-in bridge rectifier.
      Static Input Current Characteristic
      Fig. 5
      Typical input current versus relative input voltage
      23
      4
      5
      6
      1
      2
      5
      10
      FS
      CS
      ES
      LS (DC input)
      Vi
      Vi min
      Ii [A]
      DS
      20
      0.5
      AS
      BS
      04037_011906
      Input Under-/Overvoltage Lockout
      If the input voltage remains below approx. 0.8 Vi min or exceeds
      approx. 1.1 Vi max, an internally generated inhibit signal disables
      the output(s). When checking this function the absolute maximum
      input voltage rating Vi abs should be considered! Between Vi min
      and the undervoltage lockout level the output voltage may be
      below the value defined in table: Electrical Output Data.
      Fig. 3
      Typical inrush current versus time at Vi max, Rext = 0.
      For AS, BS, and FS as well as for application-related values
      use the formula given in this section to get realistic results.
      Inrush Current
      The CS, DS, ES, and LS models (not -9, not option E)
      incorporate an NTC resistor in the input circuitry, which at initial
      turn-on reduces the peak inrush current value by a factor of 5 to
      10. Subsequent switch-on cycles within short periods increase
      the inrush current due to the hotter NTC resistor.
      1
      23 t [ms]
      0
      50
      100
      Ii inr [A]
      150
      CS
      ES, LS
      DS
      04038_110705
      Fig. 4
      Equivalent circuit for input impedance
      Table 3: Fuse Specification
      Model
      Fuse type
      Reference
      Rating
      AS
      1
      fast-blow
      Little fuse 314
      30.0 A, 125 V
      BS
      1
      fast-blow
      Little fuse 314
      25.0 A, 125 V
      CS
      2
      slow-blow
      SPT
      12.5 A, 250 V
      DS
      2
      slow-blow
      SPT
      8 A, 250 V
      ES
      2
      slow-blow
      SPT
      4 A, 250 V
      FS
      2
      slow-blow
      SPT
      16 A, 250 V
      LS
      2
      slow-blow
      SPT
      4 A, 250 V
      1 Fuse size 6.3 x 32 mm
      2 Fuse size 5 x 20 mm
      相關(guān)PDF資料
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