3 Volt Car Adapter

The The Schematic of 3 volt Car Adapter was posted by taking part in type Car. Please examine suspiciously and realize on schematic design pictures of The Schematic of 3 volt Car Adapter to find specify in order.

3 volt Car Adapter Schematics

This 3 volts Car Device journey is based on a provide LT1074CT switching control IC. The schematic shows the LT1074CT misused equally a affirmatory step-down before ‘buck’ convertor. The ’switcher’ is old to trade a +12-volt car barrage emf consume to +3 volts pro make use of with the personalised goodbye-fi’s and handheld games for the author’s two boisterous children on sesquipedalian car journeys. State on under ten time of age, children offer rarely remain see you later-fi admirer’s and are mostly not caring with at all disturbance generated by the ’switcher ‘circuit.

The journeying is coupled to the car +12-vs. order via the smoke lighter socket - is rational to use a compound edition of the fag light stopple. The +12-against arrives on the relations via screw- pole impede J2. Diode D2 provides a verso emf indorsement, scrap C3 decouples the input to the switcher IC.

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Portable CD Player Adapter For Car

Whenever Im in the car listening to my favourite CD, it always happens; my batteries go dead. To solve that problem, I built this extremely simple regulator schema. It steps down the 12V from the lighter socket to 9V which is used by the CD player. Different CD players (I have a Sony Discman) may require different voltages, so just use the correct regulator. All the 78xx series regulators have the same pin out, so the schema is universal.

Portable CD Player Adapter For Car Circuit daigram

Parts List

Part           Total Qty.                     Description

C1                      1                        1000uF 25V Electrolytic Capacitor   
C2                      1                        10uF 25V Electrolytic Capacitor   
C3                      1                        1uF 15V Elextrolytic Capacitor   
C4                      1                        0.1uF 15V Electrolytic Capacitor   
U1                      1                        7809 Or Other Regulator (See "Notes")    See Notes
MISC                  1                        Cigarette Lighter Plug, Plug For CD Player (See "Notes"),      Heat Sink For U1, Wire, Case.   
   
Notes

• The voltage your CD player needs will determine which regulator you use. For 9V, use the 7809. For 6V, use the 7806. For the unlikely 5V use the 7805. Remember that whatever regulator you use, you will need to heat sink it. The metal case or metal cover on the case makes a great heat sink.
• I built the schema in a small case with the long wire to the cigarette lighter plug coming out one end, then another, slightly shorter wire going out the other end to the CD player.

• Triple check your wiring. You would hate to ruin an expensive CD player because you reversed one of the connections or hooked the regulator up backwards.

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