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What is MOSFET driver?
Power MOSFETs usually have a large stray capacitance between the gate and the other terminals, called Ciss. When the pulse to the gate terminal arrives, it must first charge up this capacitance before the gate voltage can reach the voltage required. Therefore the circuit that drives the gate terminal should be capable of supplying a reasonable current so the stray capacitance can be charged up as quickly as possible. The best way to do this is to use a dedicated MOSFET driver chip.
A low-value resistor is often placed between the MOSFET driver and the MOSFET gate terminal. This is to damp down any ringing oscillations caused by the lead inductance and gate capacitance, which can otherwise exceed the maximum voltage allowed on the gate terminal.
total search1536 articles
2002-09-02 Zetex MOSFET boost circuit efficiency
The ZXMP3A17E6 30V, p-channel MOSFET features low on-resistance with fast switching to ensure high efficiency operation and higher current handling.
2003-04-02 Zetex H-bridge MOSFET replaces four discrete devices
The ZXMHC6A07T8 MOSFET H-bridge of Zetex Semiconductors comes in a 7.3-by-6.7mm SM8 package.
2014-07-02 X-REL augments high-temperature MOSFET transistors line
X-REL rolls out mid-power P-channel and two small-signal P- and N-channel transistors intended for high-reliability and extreme temperature applications.
2009-03-11 WDFN6 2x2 ?Cool 506AP single MOSFET package board level application notes and thermal performance
This technical note discusses the single-channel WDFN6 506AP package overview, pad patterns, evaluation board layout and thermal performance.
2008-12-24 Vishay touts 'smallest' MOSFET with Schottky diode
Vishay Intertechnology Inc. has released what it claims to be the smallest 20V n-channel power MOSFET plus Schottky diode.
2011-11-30 Vishay expands power MOSFET series
The new devices expand the series' voltage and package footprint options.
2013-08-05 Utilising power MOSFET Zth curves
Here are several worked examples showing how junction temperatures can be simply calculated using the device Zth curves.
2009-05-05 Ultrasmall MOSFET touts lowest on-resistance
Vishay Intertechnology Inc. has released a new dual 20V p-channel TrenchFET Gen III power MOSFET with the lowest on-resistance ever achieved for a dual p-channel device in the thermally enhanced PowerPAK SC-70 2mm x 2mm footprint area.
2013-03-08 Toshiba rolls out low ON-Resistance N-ch power MOSFET
The TK55S10N1 achieves low ON-resistance with a combination of a chip in the "U-MOS VIII-H series" fabricated with the latest 8th generation trench MOS process and a "DPAK+" package.
2009-03-03 Toshiba expands MOSFET lines
Toshiba America Electronic Components Inc. has expanded its lineup of MOSFETs with a selection of higher power 40V, 60V and 80V devices well suited for use in the primary side switch of an isolated DC/DC bus converter in mobile communications applications.
2002-11-13 TI MOSFET driver delivers 9A of driver current
Texas Instruments Inc. has introduced a family of high-speed MOSFET drivers that deliver 9A of peak drive current in an industry-standard pin-out.
2002-01-04 TI dual MOSFET gate drivers provide more current
The UCC37323/4/5 series enhanced, industry-standard footprint dual MOSFET gate driver ICs feature higher current and improved noise immunity and are drop-in replacements for popular MOSFET driver ICs.
2008-06-12 Three-phase MOSFET pre-driver targets automotive systems
Allegro MicroSystems introduces a new automotive grade three-phase MOSFET pre-driver IC targeted at automotive and industrial applications.
2001-07-03 Thermal Performance Of Power MOSFET Packages
This paper introduces the PowerPAK family of power MOSFET packages, which provide increased levels of performance for a given footprint and profile.
2003-06-27 System Simulation Using Power MOSFET Quasi-Dynamic Model
This application note examines the Quasi-Dynamic model of power MOSFETs and its effects on device thermal response.
2005-02-15 Supertex MOSFET saves board space
Supertex introduced a six-pair high voltage, low threshold N-channel and P-channel MOSFET with integrated gate-source resistor and gate-source zener diode clamps.
2003-04-30 STMicro MOSFET driver sources 2A of current
The company's STSR3 MOSFET driver provides the high current output necessary for MOSFETs to be used as synchronous rectifiers in flyback converters.
2002-11-04 STMicro cuts conduction losses in MOSFET family
STMicroelectronics has introduced a range of low-voltage MOSFETs that use the company's STripFET III technology to cut conduction losses.
2005-10-21 ST offers the best of BJT and MOSFET in one single transistor
ST introduced a family of hybrid EBST designed for industrial three-phase auxiliary power supplies and Single-Ended Primary Inductance Converters (SEPIC) used as power factor pre-regulators in industrial lighting apps.
2006-02-01 ST MOSFET tailored for auto market
STMicroelectronics has announced a new high-current power MOSFET which is said to benefit from ST's proprietary STripFET technology to achieve very low on-resistance.
2014-12-02 ST intros 650V super-junction MOSFET to boost power density
The MDmesh M2-series devices promise to improve robustness in the latest package options in order to increase power density for home electronics, low-energy lighting and solar micro-inverters.
2009-02-25 SOT-963 527AD dual MOSFET package board level application and thermal performance
ON Semiconductor dual small signal MOSFETs offered in the ultrasmall SOT-963 527AD package are optimized for power management in space-constrained portable electronics.
2000-02-24 SMPS MOSFET
This application note describes the IRFB31N20D, IRFS31N20D, and IRFSL31N20D HEXFET Power MOSFET devices for high-frequency dc-dc converter applications.
2008-03-27 Single/dual MOSFET drivers feature adjustable LDO
Maxim's MAX15024/MAX15025 single/dual MOSFET drivers integrate an adjustable LDO that provides gate-driver amplitude control and optimization.
2005-02-02 Siliconix unveils four new MOSFET driver ICs
Siliconix announced four new high-speed, half-bridge, n-channel MOSFET driver ICs.
2004-05-12 Siliconix MOSFET integrates WFET, TrenchFET designs
Siliconix disclosed that its new MOSFETs are the first two power MOSFETs to combine the low Qgd values enabled by WFET technology with the low rDS(on) values of TrenchFET Gen II technology.
2004-06-03 Siliconix MOSFET has 48 milliohms on-resistance
Siliconix's new p-channel power MOSFET offers one of the industry's lowest on-resistance of any such device with a footprint area under 3mm?.
2004-05-05 Siliconix MOSFET eyes high-side switches, electric motor drives
Automotive 12V boardnet high-side switches and electric motor drives are the target apps of Siliconix's new family of p-channel MOSFETs.
2002-07-16 Siliconix adds to power MOSFET line
Vishay Siliconix has expanded its Little Foot power MOSFET line of products with the addition of three devices that are claimed to be the first MOSFETs that offer sub-ohm on-resistances in a 6-lead SC-89 package.
2009-02-16 SD2932 RF MOSFET for 300W FM amplifier
This application note gives a description of a broadband power amplifier operating over the frequency range 88MHz to 108MHz using the new STMicroelectronics RF MOSFET transistor SD2932.
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