5V-12V Multiple Supply Switching regulator by L4970 and L4974A

Saturday, September 27th, 2008
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Today take Multiple Supply Switching regulator Circuit. Come to deposit friends keep see in rows think out it can give Voltage supply about 5V 10A and 12V 3.5A. In same circuit by the character of Switching Regulator at use integrated readymade circuit. Work the character Synchronization between IC [...]

LH1605 Switching Regulator

Wednesday, December 26th, 2007
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The device is housed in a standard 8-pin TO-3 power package containing a temperature compensated voltage reference, an error amplifier, a pulsewidth modulator with programmable operating frequency and a high current output switch and steering diode. Typical performance of the LH1605 is summarized in Table I.
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simple switching power supply by LM393

Wednesday, December 26th, 2007
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I built a PCB for a simple switching power supply, originally designed by Keith Payea of the SRS. It uses an LM393, a P-channel power MOSFET, and darn little else. Since its frequency varies based on load (and nearly everything else imaginable), you can use junk-box parts and build it for cheap.
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