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Home >> SMPS Power Supply >> SMPS 5V/2.5Amp.
SMPS 5V/2.5Amp.

SMPS 5V/2.5Amp.



Connection Diagram | Downlaod Catalogue
Description:
SWITCH MODE POWER SUPPLIES ARE AN EXTRAORDINARY ARREY OF HIGH FREQUENCY ALTERNATIVE.
THESE ARE THE SWITCHING REGULATORS THAT OFFERS HIGHER EFFICIENCY THAN THE LINER REGULATORS. IN ADDITION, THEY CAN STEP-UP, STEP-DOWN AND INVERT THE INPUT VOLTAGE.
WORKING PRINCIPAL
        A SWITCHING REGULATOR IS A CIRCUIT THAT USES AN INDUCTOR, A TRANFORMER, AND A CAPACITOR AS ENERGY-STORAGE ELEMENT TO TRANFER ENERGY FROM INPUT TO OUTPUT IN DISCRETE PACKETS.
FEEDBACK CIRCUITRY REGULATES THE ENERGY TRANFER TO MAINTAIN A CONSTANT VOLTAGE WITHIN THE LOAD LIMITS OF THE CIRCUIT.
THEY USE SOME FORM OF PULSE-WIDTH MODULATION TO ALTER THE ON TIME RELATIVE TO THE OFF TIME TO EFFECT CONTROL.  THE DEVICE IS USED IN THIS  TO GIVE THE CONSTRAINTS OF FREQUENCY AND THE SPEED ARE POWER ‘FETs’
THE USE OF POWER ‘FETs’ WITH FAST TURN-ON AND TURN-OFF CHARACTERISTICS HAVE MADE SWITCHES THAT OPERATE COMFORTABLE AT FREQUENCY ABOVE 100KHz PRACTICAL.
THERE ARE TWO TOPOLOGIES ARE USED
1.  FORWARD CONVERTERS
2.  FLYBACK CIRCUITS.
FORWARD CONVERTERS ARE USED IN MEDIUM AND HIGH POWER APPLICATIONS. THEY CAN BE RECOGNIZED BY THEIR POWER TRANSFORMER AND OUTPUT CHOKE.
FLYBACKS ARE FAVORED FOR LOW POWER APPLICATIONS BECAUSE THEY EMPLOY A TRANSFORMER THAT DOUBLES AS THE INPUT CHOKE .
USING A TRANSFORMER AS THE ENERGY-STORAGE ELEMENT ALSO ALLOWS OUTPUT VOLTAGE TO BE ELECTRICALLY ISOLATED FROM THE INPUT VOLTAGE.
ADVANTAGES

  1. CHANGE THE OUTPUT TO A DIFFERENT VOLTAGE LEVEL THEN THE INPUT ( STEP-UP OR  STEP-DOWN).
  2. ISOLATE THE OUTPUT FROM THE INPUT.
  3. PROVIDE THE USER WITH A MEANS TO VARY THE OUTPUT
  4. CAN GET CONSTANT OUTPUT AT VARIABLE  INPUT.
  5. STABILIZE THE OUTPUT AGAINST THE INFLUENCE OF:-
    1. SOURCE CHANGES (SOURCE EFFECT)
    2. LOAD CHANGES (LOAD EFFECT)
    3. TEMPERATURE CHANGES ( TEMP. EFFECT)
    4. THE PASSAGE OF TIME ( TIME EFFECT OR DRIFT)
 
 
APPLICATIONS
 
SMPS’S ARE HAVING WIDE RANGE OF APPLICATIONS SOME OF THEM ARE AS-

  1. MACHINE TOOL INDUSTRIES
  2. SECURITY SYSTEMS (CLOSE CIRCUIT CAMERAS)
  3. WHERE THE SIZE  AND WEIGHT VERY LESS IS REQUIRED
  4. AUDIO AND VEDIO APPLICATION
  5. SUPPORT SUPPLIES WITH PLC’S
  6.  In Fountains.
1. SMPS Power Supplies are available in from 5 Watt to 500 Watts. 
2. Input Voltage : 140-260 VAC
3. Output Voltage : 5VDC,10VDC,12VDC,15VDC, 18VDC,24VDC,36VDC & 48VDC
4. Output Current : 0.5Amp.,1Amp.,2Amp.,3Amp.,5Amp.,10Amp.15Amp.,20Amp.,50Amp. 
5. These Power Supplies are in Open frame & with box.
6. SMPS Power Supplies have short circuit protection,Thermal shut down and over current protection. 
7. CE Approved
Technical Specification:
Model No. Output Voltage
(VDC)
Output Current
(Amp.)
Input Voltage
(VAC)
Ripple Voltage
(mVDC)
Efficiency
    (%)
PCB Size
(HxWxL)
BOX Size
(HxWxL)

 
PE-PS-5V-2.5A   5    2.5 125-260  50-80      92 28x44x98 36x48x122
 


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