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	<title>Circuit Project Electronic &#187; dc converter step down voltage</title>
	<atom:link href="http://www.eleccircuit.com/tag/dc-converter-step-down-voltage/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.eleccircuit.com</link>
	<description></description>
	<lastBuildDate>Thu, 09 Feb 2012 16:29:52 +0000</lastBuildDate>
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		<item>
		<title>12V to 9V 2A step down dc converter using IC 741 and 2N3055</title>
		<link>http://www.eleccircuit.com/12v-to-9v-2a-step-down-dc-converter-using-ic-741-and-2n3055/</link>
		<comments>http://www.eleccircuit.com/12v-to-9v-2a-step-down-dc-converter-using-ic-741-and-2n3055/#comments</comments>
		<pubDate>Thu, 06 Nov 2008 12:57:59 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[dc converter]]></category>
		<category><![CDATA[Power supply]]></category>
		<category><![CDATA[9V power supply]]></category>
		<category><![CDATA[dc converter step down voltage]]></category>
		<category><![CDATA[dc voltage regulator]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/?p=3669</guid>
		<description><![CDATA[This circuit designs for modify power supply input 12V from battery or the other. Have the level voltage be down be left 9V be stable or , 9V at 2 Amp DC power supply . By this circuit gives usual equipment , seek easy. Be integrated circuit IC 741 and power transistor 2N3055. Besides this [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/12v-to-9v-2a-step-down-dc-converter-using-ic-741-and-2n3055/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DC 12V to DC 6V-7.5V-9V Converter using 2N3055</title>
		<link>http://www.eleccircuit.com/dc-12v-to-dc-6v-75v-9v-converter-using-2n3055/</link>
		<comments>http://www.eleccircuit.com/dc-12v-to-dc-6v-75v-9v-converter-using-2n3055/#comments</comments>
		<pubDate>Tue, 21 Oct 2008 13:25:58 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[dc converter]]></category>
		<category><![CDATA[Power supply]]></category>
		<category><![CDATA[2n3055]]></category>
		<category><![CDATA[9V power supply]]></category>
		<category><![CDATA[dc converter step down voltage]]></category>
		<category><![CDATA[fixed voltage regulator]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/?p=3602</guid>
		<description><![CDATA[This circuit is DC to DC converter model step down voltage. That can modify voltage input 12V DC from be DC 6V , 7.5V and 9V by have the size current about 1A &#8211; 2 Amp think. Be easy circuit use Zener diode maintain one&#8217;s position voltage. Be stable and have transistor 2N3055. Perform enlarge [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/dc-12v-to-dc-6v-75v-9v-converter-using-2n3055/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>12V to 5V 3A DC converter step down Regulator</title>
		<link>http://www.eleccircuit.com/12v-to-5v-3a-dc-converter-step-down-regulator/</link>
		<comments>http://www.eleccircuit.com/12v-to-5v-3a-dc-converter-step-down-regulator/#comments</comments>
		<pubDate>Thu, 02 Oct 2008 15:02:49 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Power supply]]></category>
		<category><![CDATA[5 volt regulator]]></category>
		<category><![CDATA[7805 regulator]]></category>
		<category><![CDATA[dc converter step down voltage]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/?p=3547</guid>
		<description><![CDATA[Today I has 12V to 5V 3A DC converter step down Regulator circuit come to deposit. In sometimes friends have power supply 12V 3A , but want Voltage 5V 3A for digital Circuit. This circuit can meet the demand of friends get , by it uses normal electronic part and have 7805 integrated circuits perform [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/12v-to-5v-3a-dc-converter-step-down-regulator/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>A Compact 36-72V DC Input, 3.3V-10A Output Power Supply</title>
		<link>http://www.eleccircuit.com/a-compact-36-72v-dc-input-33v-10a-output-power-supply/</link>
		<comments>http://www.eleccircuit.com/a-compact-36-72v-dc-input-33v-10a-output-power-supply/#comments</comments>
		<pubDate>Fri, 13 Jun 2008 02:57:44 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Power supply]]></category>
		<category><![CDATA[switching power supply]]></category>
		<category><![CDATA[3.3V supply]]></category>
		<category><![CDATA[dc converter step down voltage]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/?p=2914</guid>
		<description><![CDATA[The output of this power supply is an isolated 3.3V/10A output, produced from an input is 36-72V DC. Airflow is required at higher ambient temperatures to get the full rated power. The topology used is a single transistor forward, with a reset winding on the transformer to reset the core. The maximum duty cycle is [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/a-compact-36-72v-dc-input-33v-10a-output-power-supply/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>LM2673 -5V 3A Switching Voltage Regulator</title>
		<link>http://www.eleccircuit.com/lm2673-5v-3a-switching-voltage-regulator/</link>
		<comments>http://www.eleccircuit.com/lm2673-5v-3a-switching-voltage-regulator/#comments</comments>
		<pubDate>Tue, 20 May 2008 10:45:26 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Power supply]]></category>
		<category><![CDATA[switching power supply]]></category>
		<category><![CDATA[5V]]></category>
		<category><![CDATA[dc converter step down voltage]]></category>
		<category><![CDATA[LM2673]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/?p=2785</guid>
		<description><![CDATA[This is the DC switching regultor Voltage 5V at current 3A. It is make for digital circuit. The important part of the circuit is LM2673, it is 3A Step-Down Voltage Regulator with Adjustable Current Limit. The LM2673 is Simple and easy to design with using off-the-shelf external components. please see circuit diagram and read more [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/lm2673-5v-3a-switching-voltage-regulator/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>5VDC Switching regulator from 9V battery by LT1073-5</title>
		<link>http://www.eleccircuit.com/5vdc-switching-regulator-from-9v-battery-by-lt1073-5/</link>
		<comments>http://www.eleccircuit.com/5vdc-switching-regulator-from-9v-battery-by-lt1073-5/#comments</comments>
		<pubDate>Mon, 19 May 2008 02:52:01 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[dc converter]]></category>
		<category><![CDATA[switching power supply]]></category>
		<category><![CDATA[5V]]></category>
		<category><![CDATA[dc converter step down voltage]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/?p=2771</guid>
		<description><![CDATA[When i want 5V switching regulator (mini project),so i am used input is 9V battery. The good circuit for work is the IC LT1073-5 (see detail in www.linear.com), it out put 100mA current. The zener diode is 1N5818,L1 = 100uH Detail more please see in image. Related Links All circuits of Switching power supply All [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/5vdc-switching-regulator-from-9v-battery-by-lt1073-5/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DC Converter 12V to 1.5V at 4A by 78S40</title>
		<link>http://www.eleccircuit.com/dc-converter-12v-to-15v-at-4a-by-78s40/</link>
		<comments>http://www.eleccircuit.com/dc-converter-12v-to-15v-at-4a-by-78s40/#comments</comments>
		<pubDate>Wed, 30 Jan 2008 15:59:49 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[dc converter]]></category>
		<category><![CDATA[switching power supply]]></category>
		<category><![CDATA[dc converter step down volt]]></category>
		<category><![CDATA[dc converter step down voltage]]></category>
		<category><![CDATA[Switching Voltage Regulator]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/dc-converter-12v-to-15v-at-4a-by-78s40/</guid>
		<description><![CDATA[The 78S40 is a very old, but still useful power conversion chip. It contains a 1.25V reference, comparator, gating, output transistor, flyback diode and an uncommitted operational amplifier, which is not used here, and draws very little power. As the internal transistor and diode are good only for 1A maximum, I had to use external [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/dc-converter-12v-to-15v-at-4a-by-78s40/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>5V 3A switching power supply by LM2576</title>
		<link>http://www.eleccircuit.com/5v-3a-switching-power-supply-by-lm2576/</link>
		<comments>http://www.eleccircuit.com/5v-3a-switching-power-supply-by-lm2576/#comments</comments>
		<pubDate>Mon, 17 Dec 2007 14:48:08 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[dc converter]]></category>
		<category><![CDATA[switching power supply]]></category>
		<category><![CDATA[5v switching power supply]]></category>
		<category><![CDATA[dc converter step down voltage]]></category>
		<category><![CDATA[lm2576]]></category>
		<category><![CDATA[switching regulator]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/5v-3a-switching-power-supply-by-lm2576/</guid>
		<description><![CDATA[Here is circuit switching power supply regulator 5V 3A for digital circuit. Use IC LM2576 DC to DC step down voltage regulator. Wide input voltage 8Vdc to 40Vdc. See to circuit for read detail more. Related Links All circuits of Switching regulator circuit All circuits of LM2576 All circuits of DC converter step down voltage [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/5v-3a-switching-power-supply-by-lm2576/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>12V 5A power supply Regulator with LM2678-12</title>
		<link>http://www.eleccircuit.com/12v-5a-power-supply-regulator-with-lm2678-12/</link>
		<comments>http://www.eleccircuit.com/12v-5a-power-supply-regulator-with-lm2678-12/#comments</comments>
		<pubDate>Sat, 24 Nov 2007 08:24:05 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[circuit com]]></category>
		<category><![CDATA[dc converter]]></category>
		<category><![CDATA[switching power supply]]></category>
		<category><![CDATA[12V Switching Regulator]]></category>
		<category><![CDATA[dc converter step down voltage]]></category>
		<category><![CDATA[LM2678]]></category>
		<category><![CDATA[Switching Regulator IC]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/12v-5a-power-supply-regulator-with-lm2678-12/</guid>
		<description><![CDATA[This is circuit Switching power supply 12V 5A. Or circuit dc converterstep down voltage. Use IC LM2678-12 SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator. Input DC Voltage 40Vmax and 16Vmin 5A. Detail more see in image circuit. Related Links All circuits of LM2678 All circuit of DC converter step down voltage All circuit of [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/12v-5a-power-supply-regulator-with-lm2678-12/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>3.3V regualated supply using 6V</title>
		<link>http://www.eleccircuit.com/33v-regualated-supply-using-6v/</link>
		<comments>http://www.eleccircuit.com/33v-regualated-supply-using-6v/#comments</comments>
		<pubDate>Thu, 08 Nov 2007 15:32:39 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Power supply]]></category>
		<category><![CDATA[switching power supply]]></category>
		<category><![CDATA[3.3 v power supply]]></category>
		<category><![CDATA[dc converter step down voltage]]></category>

		<guid isPermaLink="false">http://www.eleccircuit.com/33v-regualated-supply-using-6v/</guid>
		<description><![CDATA[The figure shows the circuit, shamelessly copied off the datasheet provided by Microchip. I have been more inventive with the parts. I had to get a modern P channel MOSFET from Texas Instruments because old hard drive boards were seriously deficient in this one critical component. However, using the parts as specified would be necessary [...]]]></description>
		<wfw:commentRss>http://www.eleccircuit.com/33v-regualated-supply-using-6v/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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