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MOSFET Circuits, Page 3
MOSFET's:   #'s - A      B - H      I - L      M       N -  R      S - Z
Last Updated on:
Friday, March 12, 2010 12:07 PM
 


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

Improved Power MOSFETs Boost Efficiency In A 35kw Single Phase Pfc:  Application Note - Advanved Power Technology - APT0101  (Circuit / schematic design added 6/06)

Inrush limiter also provides short circuit protection:  06/09/05 EDN Design Ideas  / (added 2/06)   MOSFET keeps inrush currents due to capacitive loads under control.

Introduction to Power MOSFETs and Their Applications:  National Semiconductor - Application Note   (added 2/06)

Isolated MOSFET Driver has Wide duty cycle range:  04/29/04 EDN Design Ideas  /  (added 1/05)  The main application for the circuit in Figure 1 is for driving power MOSFETs with signals ranging in frequency from 1 Hz to 300 kHz and with duty cycles from 0 to 100%. You achieve this goal by using a coreless pc-board transformer. The switching frequency in most power-electronics circuits ranges from a few hertz to a few hundred kilohertz....

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

Latch-Up Protection for MOSFET Drivers:  Microchip Application Note - Published 5-Feb-03   (added 2/06)

Latest Technology PT IGBTs vs Power MOSFETs:  This paper compares the switching and conduction loss performance of the latest generation of punch-through (PT) IGBTs with power MOSFETs. Also included is a brief overview of the PT IGBT structure. Application Note Microsemi APT0302 ( app note added 4/08)

Low Cost MOSFET Quashes Power Resistor:  06/09/94 EDN-Design Ideas / (Electronic Circuit diagram added 03/03) At power-on, off-line power supplies use a resistor to provide start-up current for the PWM IC, current that is necessary to start driving the power switch. After a few periods, an auxiliary winding delivers a sufficient voltage to power the IC. Unfortunately, the start-up resistor dissipates heat and raises the power supply's overall temperature. Manufacturers have recently introduced high-voltage MOSFETs to replace the power resistors. Wired as current sources, these MOSFETs provide the few hundred microamps necessary to start the IC. Fig 1a shows a circuit based on the new Supertex (Sunnyvale, CA) LND150. Unfortunately, this configuration isn't sufficient for a main IC that requires start-up current of a few milliamps. For example, this current source cannot start a half-bridge power MOSFET driven by an International Rectifier (El Segundo, CA) IR2110 in off-line fluorescent ballast applications.....

Low Voltage Micropower LC (Colpitts) Oscillator Circuit with Active Load:  Circuit Ideas for Designers - Application Notes - Advanced Linear Devices, Inc.  (Circuit / schematic design added 6/06)


 

MOSFET's:   #'s - A      B - H      I - L      M       N -  R      S - Z

 
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