Charge Pump Electronic Circuits, Schematics, or Diagrams


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Charge Pump Circuits Page 2
Charge Pumps: #-C D-N O-Z
Last Updated on: Friday, September 19, 2008 04:15 AM

Circuits Designed by Dave Johnson, P.E. :

Fully Isolated 50/60Hz Sync Generator
This circuit will produce a single pulse at the zero voltage cross points of the power line voltage. An opto-coupler provides a very safe 5KV isolation.

HIGH POWER TOUCH SWITCH EXCITER CIRCUIT
If you have hundreds of touch switches that need an excitation signal, then this circuit is what you need. Its 20KHz 20v peak to peak output signal can supply up to 3 watts of touch switch excitation power.

MEDIUM POWER 125KHZ OSCILLATOR
This circuit is similar to CMOS INVERTERS FORM 125KHZ OSCILLATOR but adds more invertors in parallel to deliver more power. The values shown are for 125KHz.

MEDIUM POWER 125KHZ OSCILLATOR
This circuit is similar to MEDIUM POWER 125KHZ OSCILLATOR but adds even more inverters in parallel to deliver yet more power. The values shown are for 125KHz.

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

DAC Powered Charge Pump Varies Negative Rail: Maxim Application Note #203 (app note added 7/03)

DC/DC Conversion Without Inductors: Maxim App Note #725 (app note added 7/03)

Design Case Study: Designing a Power Supply for a Portable Wireless Contact Manager : Maxim Application Note #1014 (app note added 7/03)

Doubler/Inverter Charge Pumps Divide by Two: Maxim Application Note #1876 (app note added 7/03)

Driving High Power LEDs: AN-703 Analog Devices Application Note (app note added 2/06)

Driving LEDs in Battery Operated Applications: Controlling Brightness Power Efficiently: Maxim Application Note #1804 (app note added 7/03)

High Power Voltage Regulator has Low Dropout Voltage: Maxim Application Note #52 (app note added 7/03)

Inductorless Switching Regulator Boosts Input Voltage: Maxim Application Note #5 (app note added 7/03)

Inductorless Voltage Converter Boosts a Single Lithium Cell: Maxim Application Note #1791 (app note added 7/03)

Keys to Longer Life for CMOS: AN-349 Analog Devices Application Note (app note added 2/06) Here's How CMOS Can be Protected Against Abuse

Low Battery Monitor Delays System Shutdown: Maxim Application Note #134 (app note added 7/03)

Low Noise Audio Power Supply Circuit: Maxim Application Note #169 (app note added 7/03)

Lower Operating Frequency Improves Icl7660 Voltage Conversion Efficiency: Maxim App Note #10 (app note added 7/03)

Methods Reduce Input Ripple for All Charge Pumps: Maxim Application Note #2027 (app note added 7/03)

Miniature Precision Negative Reference Requires No Precision Resistors: Maxim Application Note #824 (app note added 7/03)

New Charge Pumps Offer Low Input and Output Noise: DN243 Design Notes (Linear Technology) (app note added 2/06)

New Step-Down Charge Pumps Are Tiny Efficient and Very Low Noise: DN310 Design Notes (Linear Technology) (app note added 1/06)

Charge Pumps: #-C D-N O-Z