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Application notes by category

• DBS
• Motor control
• Lighting
• Audio
• Power management

All application notes

• AN1  8W fluorescent lamp inverter - compact DC to AC inversion for efficient lighting systems.
• AN2  Portable Ni-Cd battery charger - inexpensive load tolerant step-up energy source.
• AN4  Centre collector E-Line applications - an overview of package capability and applications advantages.
• AN5  Super E-Line applications in automotive electronics - replacement of large packaged transistors with an enhanced TO92 product.
• AN6  The use of Zetex E-Line transistors in motor and solenoid driver functions within printers - effective logic to high current load interfacing.
• AN7  The use of Zetex E-Line transistors in DC-DC converters - an introduction to the E-Line package and typical applications.
• AN8  The ZTX415 avalanche mode transistor - an introduction to characterisation, performance and applications.
• AN9  Zetex variable capacitance diodes.
• AN10  Automotive relay drivers using the ZVN4206AV - protection free interfacing with avalanche rated MOSFETs.
• AN11  Features and applications of the FMMT618 and 619 - high current SOT23 replace SOT89, SOT223 and D-Pak.
• AN12  The FMMT718 range, features and applications - replacing SOT89, SOT223 and D-Pak products with high current SOT23 bipolar transistors.
• AN14  Transistor considerations for LCD backlighting - high efficiency DC to AC conversion.
• AN15  Features and applications of the FMMT617 and FMMT717 "SuperSOT" SOT23 bipolar transistors - 3A NPN and 2.5A PNP SOT23 bipolar devices.
• AN16  Automotive and household siren driver circuits - ZSD100 and discrete 'H'-bridge minimum parts count solution.
• AN17  Emergency lighting systems and battery powered fluorescent lighting - high current TO92 switching transistors provide 87% DC-AC conversion efficiency.  {updated}
• AN18  Power MOSFET gate driver circuits using high current super-b transistors - 6A pulse rated SOT23 transistors for high frequency MOSFET interfacing.
• AN19  Component reliability.
• AN20  Magnetoresistive sensors - theory of operation and applications.
• AN21  Bipolar transistor considerations for battery powered equipment - leading to efficiency and competitive advantages in portable systems.
• AN22  High frequency DC-DC conversion using high current bipolar transistors - conversion upto 400kHz using optimised geometry bipolar devices.
• AN23  Zetex SPICE models - understanding model parameters and applications limitations.
• AN24  An introduction to the SM-8 package.
• AN25  With the introduction of lead free products AN25 has been superceded.
  More information about soldering surface mount devices can be found here. More information.
• AN26  Fast charging batteries with Zetex high current PNP transistors and benchmark controller ICs.
• AN27  ZR431 application note.
• AN28  The ZLDO series of low dropout voltage regulators.
• AN32  Features and applications of the ZDS1009 current mirror/level translator
• AN33  ZXSC100 single cell DC-DC converter LED driving applications.
• AN34  ZXSC100 power supply for digital still camera.
• AN35  High-side current sensing - considerations and applications for high-side current monitoring. Now updated and contained within AN39
• AN36  ZXBM200x series of variable speed 2-phase fan motor controller.
• AN37  Basic introduction to the use of magnetoresistive sensors.
• AN38  Basic introduction to the use of the ZNI1000 nickel temperature sensor.
• AN39  Current measurement applications handbook. {updated Jan 2008}
• AN40  Lithium ion battery charging using bipolar transistors.  {updated}
• AN41  Application note for the ZXBM1004 and ZXBM2004 variable speed motor controllers - thermal control using a thermistor.
• AN42  Application note for the ZXBM1004 and ZXBM2004 variable speed motor controllers - thermal control from an external PWM source.
• AN43  Application note for the ZXBM1004 and ZXBM2004 variable speed motor controllers - interfacing to the motor windings.
• AN44  Application note for the ZXSC300 / ZXSC310 high power LED drivers - for low voltage halogen replacement.  {updated}
• AN45  High voltage current monitoring using the ZXCT series in power supplies. {updated Dec 2007}
• AN46  Zetex' current monitors with PolySwitch™ overcurrent device
• AN47  Getting more out of the ZXLD1350 - dimming techniques
• AN48  Getting more out of the ZXLD1350 - high output current
• AN49  Using the ZXBM1016 single-phase brushless DC motor pre-driver
• AN50  Feed forward compensation for ZXSC300 LED driver
• AN51  Precision voltage regulation for ultra-low noise applications
• AN52  IGBT gate drive considerations in electronic lamp ballasts {updated |February 2008}  {NEW}
• AN53  DC-DC PoL conversion using Zetex’ ZXMN2F34MA MOSFET  {NEW}

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