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6 volt to 12 volt DC/DC Converters (Regulators) |
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High power 6 volt to 12 volt DC/DC
converters at low cost. Suitable for voltage stabilization of automobile electronics, special purpose UPS,
etc. |
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Custom design and manufacture of state-of-the-art battery chargers, UPS,
and power supplies for OEMs in a hurry!
These DC/DC converters are useful for voltage conversion to operate 12 volt negative ground
electronics off 6 volt, positive ground vehicles, best for radios, stereos, DVDs, CB radios, transmitters. They might not
applicable to motors, ignition coils, or solenoids, further testing is necessary.
Motors: Running motors from these units will void the
warranty.
This is a 6 volt dc to 12 volt dc converter.
These are Boost Converters. For semi-custom applications you can specify any output voltage from 10 to 15 volts with a minimum
order of 10 pieces. They can be adjusted between 13.8 and 11.2 volts with an internal pot.
The PSTC-0624012 is an exciting new 250 Watt DC converter that can be used with either negative
ground or positive ground cars. Negative ground cars like vintage Volkswagens and Porches can now run 12 volt
electronics.
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Qty 1-10 |
Qty 11-100 |
Qty 101 -500 |
Qty 500+ |
PST-SR700-6
(formerly PST-DU700-6)
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This is no longer available, use the PSTC-0624012 below |
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| PSTC-0624012 |
In Stock
$375.00
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$320
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$290
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| Model Number |
PSTC-0624012 |
PST-SR700-6
Obsolete |
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| Input Voltage Range |
4.5VDC to 9VDC
Negative or Postive ground |
4.5 VDC to 10.5 VDC, Postive ground only |
| Minimum Startup Voltage |
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5.5 Volts |
| Peak Output Power |
250Watts |
180 Watts (1 to 5 seconds) |
| Peak Output Current |
20.8 Amps |
15 Amps |
| Continuous Current |
20.8 Amps |
10 Amps |
| Continuous Output Power |
250 Watts |
125 Watts |
| Output Voltage |
12 VDC regulated and filtered |
12 volts DC (13.8VDC available), regulated and filtered |
| No-Load Overhead |
2 amps |
<450 mA |
| Line Regulation |
± 1% |
± 1% |
| Load Regulation |
± 5% |
± 3% |
| Efficiency |
>70-75% |
>55-85% |
| Input Reverse Polarity Protection |
NO reverse polarity protection |
Yes |
| Protection |
Short circuit protection by shut down and latch off
Over power protection to
130% ±10% of rated power by shutdown and latch off
Over input voltage protection 12 Volts |
Input reverse polarity protection, short circuit, overvoltage, over temperature,
low voltage dropout |
| Remote (Key) control |
None, an external switch or relay capable of handling 60+ amps must be
used.
Click here for a
wiring diagram for the included switch |
When the on-off switch is turned "off" the power supply can be turned on by
applying 4.5-8.4 VDC to the "power control" terminal. |
| Cable |
Note that if you are drawing 240 watts from the PSTC-0624012
the input will be 55 amps. This requires a large cable, 6 to 10 AWG or bigger, as short as possible. For the output 10 to 14
AWG is recommended, but it can be smaller depending on your cable length and actual intended power draw. |
Note that if you are drawing 180 watts from the PST-DU700-6
the input will be 30 amps. This requires a large cable, 8 to 10 AWG or bigger, as short as possible. For the output 10 to 14
AWG is recommended, but it can be smaller depending on your cable length and actual intended power draw. |
| Dimensions |
100mm x 240mm x 40 mm
4 x 9.5 x 1.6 inches |
200 x 205 x 70 mm
7.9 x 8.0 x 2.8 inches |
| Weight |
1.5 kg, 3.3 pounds |
1.5 kg, 3.3 pounds |
Note: For the PST-SR700-6, in order to convert the positive ground to negative ground, the output ground
and the input ground are at the same potential. This makes the potential difference between the -6 volt terminal of the battery
and the +12 volt output of the convert a total of 18 volts apart.
For the PSTC-0624012 the outputs are fully isolated from
the inputs so you can connect the negative output to the car chassis whether the car is a positive or negative ground.
Q/A
Q: My PST-SR700-6 shuts itself off.
A: The main cause of this is over temperature. This can come from
putting the unit in the engine compartment, but it can also happen in places like Phoenix, Arizona where the car is left in a
parking lot to bake.
This can also come from trying to draw too much power from the unit. A stereo rated at 180 watts
will draw much more than 180 watts from the 12 volt line because of inefficiencies in the amplifier. You may not be able to
turn the stereo to these kind of noise levels without the DC converter shutting itself off.
Our engineers say that an
amplifier that is rated for 180 watts output to the speakers will draw about 410 watts from the 12 volt supply.
The two
effects add to each other. When the ambient temperature is high the SR700-6 dc converter will shut off at lower
decibels.
Q: Can the PST-SR700-6 be used with 6 volt cars that have negative ground.
A: Not easily. You would have
to isolate the stereo system from the car chassis everywhere. People have done it, but it isn't easy. However, the PSTC-0624012
works with either negative ground or positive ground cars.
Q: I have a 6 volt negative ground car and I want to run 12
volt windshield wipers, I tried the PST-SR700-6 and it works.
A: It is because you are driving the wipers at 18 volts. This
may wear out the wiper motors faster, but it does work.
Installation of the PST-SR700-6
Input: Hook up the
plus and minus inputs as indicated on the front panel. Since this is for positive ground cars, hook the plus input to the
chassis ground and the minus input to the minus or "hot" terminal of the battery. The frame of the PST-SR700-6 is isolated from
all inputs and outputs.
The remote switch terminal is in the center. If the rocker switch is turned OFF applying -6
volts to this terminal will turn the DC converter on.
Output: Take the minus output and ground it to the car's chassis.
Take the plus output and attach it to the radio.
Mounting: Mount the PST-SR700-6 in a place that will be free from dust
and spray. Use large cables for the input, plan for 35 amps draw at 6 volts for 120 watts output.
Advantages:
 Inexpensive, high current DC/DC converter stabilizes voltage in
automotive applications.
Also can be used to provide regulated 12 volts from a 6 volt
sealed lead acid battery--excellent for special purpose UPS DC battery backups.
High efficiency >85%. |
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PowerStream Technology: 140 South Mountainway Drive, Orem
Utah 84058
Phone: 801-764-9060  Fax: 801-764-9061 |
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© Copyright 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Lund
Instrument Engineering, Inc. All rights reserved |
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