EL7412C january 1996 rev b EL7412C high speed, four channel power mosfet drivers note: all information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a ``controlled document''. current revisions, if any, to these specifications are maintained at the factory and are available upon your request. we recommend checking the revision level before finalization of your design documentation. ? 1994 elantec, inc. features # excellent response times # matched rise and fall times # reduced clock skew # low output impedance # low input capacitance # high noise immunity # improved clocking rate # low supply current # wide operating voltage range applications # full bridge drivers # clock/line drivers # ccd drivers # ultra-sound transducer drivers # power mosfet drivers # switch mode power supplies # class d switching amplifiers # ultrasonic and rf generators # pulsed circuits ordering information part no. temp. range pkg. outline y EL7412Cm b 40 cto a 85 c 20 lead mdp0027 thermal sol general description the EL7412C contains (4) high performance matched drivers. these very high speed drivers are capable of delivering peak currents of 2.0 amps into highly capacitive loads and are ideally suited for ``full bridge'' and ultrasound applications. the high speed performance is achieved by means of a proprietary ``tur- bo-driver'' circuit that speeds up input stages by tapping the wider voltage swing at the output. improved speed and drive capability are enhanced by matched rise and fall delay times. the matched delays maintain the integrity of input-to-output pulse-widths to reduce timing errors and clock skew problems. this improved performance is accompanied by a 10 fold reduc- tion in supply currents over bipolar drivers, yet without the delay time problems commonly associated with cmos devices. dynamic switching losses are minimized with non-overlapped drive techniques. connection diagram 20 lead thermal sol package 7412 1 note 1: pins 4 7 and 14 17 are electrically connected. manufactured under u.s. patent nos. 5,334,883, y 5,331,047
EL7412C high speed, four channel power mosfet drivers absolute maximum ratings supply (v a to gnd) 16.5v input pins b 0.3v to a 0.3v above v a combined peak output current 8a storage temperature range b 65 cto a 150 c ambient operating temperature b 40 cto a 85 c operating junction temperature 125 c power dissipation 20-pin ``batwing'' soic 1500 mw important note: all parameters having min/max specifications are guaranteed. the test level column indicates the specific device testing actually performed during production and quality inspection. elantec performs most electrical tests using modern high-speed automatic test equipment, specifically the ltx77 series system. unless otherwise noted, all tests are pulsed tests, therefore t j e t c e t a . test level test procedure i 100% production tested and qa sample tested per qa test plan qcx0002. ii 100% production tested at t a e 25 c and qa sample tested at t a e 25 c, t max and t min per qa test plan qcx0002. iii qa sample tested per qa test plan qcx0002. iv parameter is guaranteed (but not tested) by design and characterization data. v parameter is typical value at t a e 25 c for information purposes only. dc electrical characteristics t a e 25 c, v dd e 15v unless otherwise specified parameter description test min typ max test units conditions level input v ih logic ``1'' input voltage 2.4 i v i ih logic ``1'' input current @ v dd 0.1 10 i m a v il logic ``0'' input voltage 0.8 i v i il logic ``0'' input current @ 0v 0.1 10 i m a v hvs input hysteresis 0.3 v v output r oh pull-up resistance i out eb 100 ma 3 6 i x r ol pull-down resistance i out ea 100 ma 4 6 i x i pk peak output current source 2 iv a sink 2 i dc continuous output current source/sink 100 i ma power supply i s power supply current inputs high 2 5 i ma v s operating voltage 4.5 15 i v 2 td is 3.1in
EL7412C high speed, four channel power mosfet drivers ac electrical characteristics t a e 25 c, v e 15v unless otherwise specified parameter description test min typ max test units conditions level switching characteristics t r rise time c l e 500 pf 7.5 iv ns c l e 1000 pf 10 20 t f fall time c l e 500 pf 10 iv ns c l e 1000 pf 13 20 t d1 turn-on delay time see timing table 18 25 iv ns t d2 turn-off delay time see timing table 20 25 iv ns timing table 7412 2 standard test configuration 7412 3 pins 2, 18, 20 connected to v dd simplified schematic 7412 4 3 td is 1.5in
EL7412C high speed, four channel power mosfet drivers typical performance curves max power/derating curves 7412 5 switch threshold vs supply voltage 7412 6 input current vs voltage 7412 7 peak drive vs supply voltage 7412 8 ``on'' resistance vs supply voltage 7412 10 4
EL7412C high speed, four channel power mosfet drivers typical performance curves e contd. average supply current vs voltage and frequency 7412 11 average supply current vs capacitive load 7412 12 rise/fall time vs load 7412 13 rise/fall time vs supply voltage 7412 14 5
EL7412C high speed, four channel power mosfet drivers typical performance curves e contd. propagation delay vs supply voltage 7412 15 rise/fall time vs temperature 7412 16 delay vs temperature 7412 17 6
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EL7412C january 1996 rev b EL7412C high speed, four channel power mosfet drivers general disclaimer specifications contained in this data sheet are in effect as of the publication date shown. elantec, inc. reserves the right to make changes in the circuitry or specifications contained herein at any time without notice. elantec, inc. assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement. elantec, inc. 1996 tarob court milpitas, ca 95035 telephone: (408) 945-1323 (800) 333-6314 fax: (408) 945-9305 european office: 44-71-482-4596 warning e life support policy elantec, inc. products are not authorized for and should not be used within life support systems without the specific written consent of elantec, inc. life support systems are equipment in- tended to support or sustain life and whose failure to perform when properly used in accordance with instructions provided can be reasonably expected to result in significant personal injury or death. users contemplating application of elantec, inc. products in life support systems are requested to contact elantec, inc. factory headquarters to establish suitable terms & conditions for these applications. elantec, inc.'s warranty is limited to replace- ment of defective components and does not cover injury to per- sons or property or other consequential damages. printed in u.s.a. 8
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