Elenco Electronics XP-620 Instruction Manual

Elenco Electronics XP-620 Instruction Manual

Elenco electronics xp-620 power supply: user guide

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POWER SUPPLY

MODEL XP-620
Instruction Manual
Elenco
Electronics, Inc.
TM
TM
Copyright © 2002 Elenco
Electronics, Inc.
Revised 2003
REV-E
75320A

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Summary of Contents for Elenco Electronics XP-620

  • Page 1: Power Supply

    POWER SUPPLY MODEL XP-620 Instruction Manual Elenco Electronics, Inc. Copyright © 2002 Elenco Electronics, Inc. Revised 2003 REV-E 75320A...
  • Page 2: Operating Instructions

    5. Care must be taken not to exceed the current reading, as the supplies will turn themselves off if overheated. 6. The Model XP-620 has an added feature of having the positive and negative supplies being able to be stacked to give up to 30V at 1 ampere.
  • Page 3: Circuit Description

    XP-620 to give you years of trouble-free performance. The Model XP-620 Power Supply features three solid-state DC power supplies. The first supply gives a variable output of positive 1.5 to 15 volts at up to 1 ampere. The second gives a negative 1.5 to 15 volts at 1 ampere.
  • Page 4 The 1N4001 has peak current rating of 10 amps. Regulator Circuit The regulator circuit in the Model XP-620 Power Supply consists of a LM-317 integrated circuit. This IC is specially designed to perform the regulation function. Figure 6 shows a simplified circuit of how the LM-317 IC works.
  • Page 5: Warranty Policy

    5 volts and yet delivering over 3A of current. Your power supply has been tested and conforms to our rigid requirements on performance and durability. It is guaranteed to be free of defects in workmanship, materials and construction for a period of 2 years.
  • Page 6: Parts List

    PARTS LIST Qty. Description RESISTORS .18W 3W 2.7W 1/2W (red-violet-gold-gold) 180W 1/4W (brn-gray-brn-gold) 2kW Potentiometer CAPACITORS 10mF Electrolytic 2,200mF Electrolytic 4,700mF Electrolytic SEMICONDUCTORS 1N4001 Diode 1N5400 Diode MPSA70 Transistor 2N6124 Transistor LM-317 IC LM-337 IC LM-7805 IC MISCELLANEOUS Transformer PC Board Fuse 1.25A Rocker Switch Cover...
  • Page 7: Schematic Diagram

    SCHEMATIC DIAGRAM...
  • Page 8 Elenco Electronics, Inc. 150 W. Carpenter Avenue Wheeling, IL 60090 (847) 541-3800 http://www.elenco.com e-mail: elenco@elenco.com...

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