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Power Supplies -- Main Page
Converters -- Main Page
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Last Updated on:
Monday, October 03, 2011 06:07 PM |
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Links to electronic circuits, electronic schematics, designs for engineers,
hobbyists, students & inventors:
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3 Output TFT LCD Bias Supply with a Boost Regulator-MP1542-DN0005 -
Monolithic Power Systems, Inc Design Note (added 6/06) |
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3.3V converter delivers 3W from Li-ion battery - 11/05/98 EDN-Design
Ideas....Lithium-ion batteries are rapidly gaining popularity in portable applications
because of their superior energy density, low self-discharge rate, and high cell
voltage. When you use one Li-ion battery to power a 3.3V dc/dc converter; however, you
encounter a problem, because the battery voltage….Several circuits here, scroll to
find this one.... [Design Idea by David Salerno, Unitrode Corp, Merrimack, NH] |
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3-Band Equalizer - Using a single op-amp this easy to make equalizer offers
three ranges, low frequency, mid frequency, and high. With component values shown re
is approximately +/-20dB of boost or cut at frequencies of 50Hz, 1kHz and 10kHz.
Supply voltage may be anything from 6 to 30 Volts....(added 03/04/05) |
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3MHz Micropower Synchronous Boost Converters Deliver 3W from Two Cells in a Tiny MSOP
Package - DN246 Design Notes (Linear Technology) (app note added 2/06)
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4 input supply powers 3.3V Portables - 04/13/95 EDN-Design Ideas....The
single-ended primary-inductance converter in Fig 1 accepts input voltages ranging from
3 to more than 6V and produces a regulated 3.3V, 200-mA output. The converter accepts
an input voltage from three sources a 5V dc wall cube, a three-cell AA battery,
and a lithium backup battery.... [Design Idea by Len Sherman, Maxim Integrated
Products, Sunnyvale, CA] |
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4-Phase Monolithic Synchronous Boost Converter Delivers 2.5A with Output Disconnect in
a 5mm x 5mm QFN Package - DN332 Design Notes (Linear Technology) (app
note added 2/06) |
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500kHz 6a Monolithic Boost Converter LT1370 - DN183 Design Notes
(Linear Technology) (app note added 1/06) |
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A simple step-up converter (6V to 12V) - ….(electronic schematic added
08/08) |
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A Step-Down Conversion Concept for a PWM-Mode Boost Converter - TI
Application Note (added 2/06) |
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active bias circuit - .... |
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Add current boost to a USB charger - 19-Sep-02 Issue of EDN The
popular USB interface can charge a portable device while transferring data. But for
high-capacity batteries, the 500-mA output current of USB hosts and powered hubs
greatly extends the charging time. (Unpowered USB hubs supply nothan 100 mA.] Thus, a
system that accepts charging power from an ac adapter as well as the USB port
isconvenient.... [Design Idea by Len Sherman, Maxim Integrated Products, Sunnyvale,
CA] |
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