1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com ht0740 features 400v input to output isolation low input logic current, 500 a max no external voltage supply required floating isolated output drivers 5.0v logic compatible applications telecommunications modems solid state relays high side switches high end audio switches avionics ate ? ? ? ? ? ? ? ? ? ? ? ? general description the supertex ht0740 is a single channel, high voltage, low input current, isolated driver utilizing supertexs proprietary hvcmos ? technology. it is designed to drive discrete mosfets, con?gured as high side switches, up to 400v. the ht0740 generates an independent dc isolated voltage across the pair of outputs when the logic input is at a logic high. the ht0740 does not require any external power supplies. the internal supply voltage is supplied from the logic input when it is in the high state. block diagram high voltage, isolated mosfet driver
2 ht0740 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com ordering information device package options 8-lead soic (narrow body) 4.90x3.90mm body 1.75mm height (max) 1.27mm pitch ht0740 HT0740LG-G -g indicates package is rohs compliant (green) absolute maximum ratings parameter value input to output isolation voltage, v iso 400v logic input voltage, v in -0.5 to +7.0v operating temperature -40c to +85c storage temperature -55c to +150c soldering temperature* 300c absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these conditions is not implied. continuous operation of the device at the absolute rating level may affect device reliability. all voltages are referenced to device ground. * distance of 1.6mm from case for 10 seconds. pin con?guration recommended operating conditions sym parameter min typ max units conditions v ih logic input high voltage 3.15 - 5.5 v --- v il logic input low voltage 0 - 0.5 v --- t a operating temperature -40 - +85 o c --- dc electrical characteristics i h logic high input current - - 500 a v in = 5.0v i l logic low input current (quiescent) - - 10 a v in = 0.5v v out output voltage across output terminals 4.5 - - v v in = 3.15v, no load 8.5 - - v v in = 4.5v, no load v in input voltage for zero output - - 0.8 v no load v iso input to output isolation voltage 400 - - v --- ac electrical characteristics t d(on) turn-on delay time - - 50 s see timing diagram and test circuit c l = 600pf, t a = 25c t r rise time - - 650 s t d(off) turn-off delay time - - 150 s t f fall time - - 3.0 ms 1 2 3 4 8 7 6 5 8-lead soi c (top view ) Cvout nc +vout nc vin nc nc gnd y = last digit of year sealed ww = week sealed l = lot number = green packaging yww h0740 llll product marking 8-lead soic (narrow body) (lg) (top view) 8-lead soic (narrow body) (lg)
3 ht0740 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com 90% 10% 50% 50% 90% 10% 4.5v 0v v out t d(on) t r t d(off) t f v in timing diagram test circuit
supertex inc. does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such appl ications unless it receives an adequate product liability indemnification insurance agreement. supertex inc. does not assume responsibility for use of devices described, and limits its liability to the replacement of the devices determined defective due to workmanship. no responsibility is assumed for possible omissions and inaccuracies. circuitry and specifications are subject to change without notice. for the latest product specifications refer to the supertex inc. website: http//www .supertex.com . ?2008 all rights reserved. unauthorized use or reproduction is prohibited . 1235 bordeaux drive, sunnyvale, ca 9408 9 te l: 408-222-8888 www .supertex.com 4 ht0740 (the package drawing(s) in this data sheet may not re?ect the most current speci?cations. for the latest package outline information go to http://www.supertex.com/packaging.htm l .) doc.# dsfp-ht0740 b091508 8-lead soic (narrow body) package outline (lg) 4.90x3.90mm body, 1.75mm height (max), 1.27mm pitch 1 8 seating plane gauge plane l l1 l2 e e1 d e b a a2 a1 seating plane a a to p v iew side v iew vi ew b vi ew b 1 note 1 (index area d/2 x e1/2) vi ew a-a h h note 1 symbol a a1 a2 b d e e1 e h l l1 l2 1 dimension (mm) min 1.35* 0.10 1.25 0.31 4.80* 5.80* 3.80* 1.27 bsc 0.25 0.40 1.04 ref 0.25 bsc 0 o 5 o nom - - - - 4.90 6.00 3.90 - - - - max 1.75 0.25 1.65* 0.51 5.00* 6.20* 4.00* 0.50 1.27 8 o 15 o jedec registration ms-012, variation aa, issue e, sept. 2005. * this dimension is not speci?ed in the original jedec drawing. the value listed is for reference only. drawings are not to scale. supertex doc. #: dspd-8solgtg, version g090808. note: this chamfer feature is optional. if it is not present, then a pin 1 identi?er must be located in the index area indicated. the pin 1 identi?er can be: a molded mark/identi?er; an embedded metal marker; or a printed indicator. 1.
|
