AAHS298B p roduct s pecification microsemi analog mixed signal group one enterprise, aliso viejo, ca. 92656, (949) 380 - 1600 page 1 copyright ? 2012 rev. 1. 1 6/ 26 /2012 w w w. microsemi . co m radiation tolerant 8 - channel source driver l l x x 2 2 3 3 0 0 4 4 w w w. microsemi . co m AAHS298B d e s c r i p t i o n k e y f e a t u r e s the AAHS298B is part of microsemi s new family of radiation tolerant products aimed at the military and aerospace markets. the AAHS298B is a radiation - tolerant source driver with eight non - inverting channels, with internal thermal shutdown. capable of providing an interface from ttl, 5v or 12v logic systems to relays, motors, solenoids, and other loads, this device adds the additional benefit of an internal thermal shutdown and output transient protection/clamp diodes with sustaining voltages to 75 v. each output is capable of sourcing 700m a with a withstand voltage of 75 v over the full military temperature range. the thermal shutdown is intended to protect against over - current and soft - start occurrences. the AAHS298B is offered in a 20 - pin c eramic soic. the AAHS298B has demonstrated toler ance to 100krad (si) total dose, as well as immunity to latch - up and see tolerance. available standard screening includes level s or level b , other screening or processing in line with our capabilities can be supported to meet customers requirements. ? 700ma output source current ? low quiescent current consumption ? full channel isolation to prevent fault propagation ? internal ground clamp diodes ? 75v output breakdown voltage ? ttl, 5v and 12v logic compatible ? internal thermal shutdown ? radiation tolerant to 100krad(si) total dose ? - 55oc to +125oc temperature range ? available 20 - pin ceramic package a p p l i c a t i o n s ? relay/solenoid drivers ? lamp/led drivers ? stepper and/or servo motor drivers ? redundant power distribution important: for the most current data, consult microsemi s website: http://www.microsemi.com p r o d u c t h i g h l i g h t package order info t h e r m a l d a t a t a ( ? c) s20 20 - pin ceramic soic ? j - l = 15 ? c/w thermal resistance - junction to lead - 55 to +125 AAHS298B - s - s20 b - s class s junction temperature calculation: t j = t a + (p d x ? j - l ). the ? j - l numbers are guidelines for the thermal performance of the device/pc - board system. AAHS298B - s - s20 b - b class b 0 to 70 AAHS298B - s - s20b - engr commercial note soic packing is in a tray . www.datasheet.net/ datasheet pdf - http://www..co.kr/
AAHS298B p roduct s pecification microsemi analog mixed signal group one enterprise, aliso viejo, ca. 92656, (949) 380 - 1600 page 2 copyright ? 2012 rev. 1. 1 6/ 26 /2012 w w w. microsemi . co m radiation tolerant 8 - channel source driver l l x x 2 2 3 3 0 0 4 4 w w w. microsemi . co m AAHS298B a a b s o l u t e m a x i m u m r a t i n g s p a c k a g e p i n o u t supply voltage (v s , max voltage between v s and gnd ) ............................. - 0. 5 v to 75 v digital inputs (in[1:8], max voltage between input & gnd) .................... - 0. 5 v to 15 v output voltage (out[1:8] , maximum voltage between out [1:8] and gnd ) ........... 75v single output continous current (out[1:8] ) ................................ ....................... - 700ma multiple output simultaneously continous current (out[1:8] ) ........................ - 2800m a esd (all pin s , hbm) ................................ ................................ ............................... 2000v thermal resistance junction to lead ................................ ................................ .... 15c/w junction temperature range ................................ ................................ ..... - 55 ? c to 1 50 ? c storage temperature range ................................ ................................ ....... - 6 5 ? c to 150 ? c peak package solder reflow temp erature (40 seconds maximum exposure) .......... 260c lead temp erature . ( soldering 1 0 seconds ) ................................ ............................... 300 c notes: exceeding these ratings could cause damage to the device. all voltages are with respect to gnd. currents are positive into, negative out of specified terminal. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions are not implied. exposure to absolute maximum ratings for extended periods may affect device reliability . s20 p ackage (top view) yyww xxx = year/week/ serial number class s marking shown i.e. msc - s e l e c t r i c a l c h a r a c t e r i s t i c s unless otherwise stated the following specifications apply over operating junction temperature of - 55 c < temp < 12 5 c , v s = 50v, up to 100krad(si) tid parameters symbol test conditions/comments min typ max u n its operating supply current standby supply current i sleep in[1:8] = 0.0v , no output load 1 20 a active supply current i vs 2.5 in[1:8] = 2.5v , no output load 5 25 m a active supply current i vs 5 in[1:8] = 5.0v , no output load 7 25 ac characteristics output turn on delay time t on load = 470?, 100pf, v s = 45v v il = 0.8; v ih = 2.5v 2 s output turn off delay time t off 10 output rise time (10% to 90%) t r 2 output fall time (90% to 10%) t f 10 dc characteristics supply voltage range v s 10 50 v thermal shutdown trip temperature thsd trip 135 155 175 oc thermal shutdown reset temperature thsd rst restarts at 125 oc 125 input high level v ih 2.5 v input low level v il 0.8 output saturation at 350ma vce sat in[1:8] = 2.5 v 1.7 2.2 output saturation at 500ma vce sat 1.8 2.3 output saturation at 700ma vce sat 2.1 2.7 m s c - s a a h s 2 9 8 b 1 m n 3 7 y y w w x x x 1 1 0 1 1 2 0 9 8 7 6 5 4 3 2 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 i n 1 i n 4 i n 2 i n 3 v s i n 5 i n 8 o u t 8 v s i n 6 i n 7 g n d o u t 7 o u t 6 o u t 5 o u t 4 o u t 2 o u t 1 o u t 3 g n d www.datasheet.net/ datasheet pdf - http://www..co.kr/
AAHS298B p roduct s pecification microsemi analog mixed signal group one enterprise, aliso viejo, ca. 92656, (949) 380 - 1600 page 3 copyright ? 2012 rev. 1. 1 6/ 26 /2012 w w w. microsemi . co m radiation tolerant 8 - channel source driver l l x x 2 2 3 3 0 0 4 4 w w w. microsemi . co m AAHS298B e l e c t r i c a l c h a r a c t e r i s t i c s unless otherwise stated the following specifications apply over operating junction temperature of - 55 c < temp < 12 5 c , v s = 50v, up to 100krad(si) tid parameters symbol test conditions/comments min typ max u n its input high leakage i ih in[1:8] = 5.0v 60 100 a input low leakage i il in[1:8] = 0.0v 0.1 10 a output low leakage i ol output off, v out x = 0.0v. 2 50 a clamp diode forward voltage v f i f = 200ma i f = 700ma 2.5 3.0 v clamp diode leakage current i r v r = 50v 50 a f u n c t i o n a l b l o c k d i a g r a m figure 1 . functional b lock diagram. f u n c t i o n a l p i n d e s c r i p t i o n pin number pin n ame function 2 - 9 input[1:8] 8 logic inputs 1, 10 v s supply voltage 11, 20 gnd ground 12 - 19 output[1:8] 700ma output www.datasheet.net/ datasheet pdf - http://www..co.kr/
AAHS298B p roduct s pecification microsemi analog mixed signal group one enterprise, aliso viejo, ca. 92656, (949) 380 - 1600 page 4 copyright ? 2012 rev. 1. 1 6/ 26 /2012 w w w. microsemi . co m radiation tolerant 8 - channel source driver l l x x 2 2 3 3 0 0 4 4 w w w. microsemi . co m AAHS298B t y p i c a l c h a r a c t e r i s t i c c h a r t p a c k a g e d i m e n s i o n s s 20 lead ceramic soic dim m illimeters i nches min max min max a 2. 16 2.92 0.0 85 0.115 a1 0.38 0 .015 a2 1.78 2.41 0. 0 70 0. 0 95 b 0.36 0.48 0 .01 5 0 .0 20 c 0.15 0 . 30 0.006 0.01 2 d 12.45 13.08 0.4 9 0 0.515 e 10.16 11.18 0.400 0.440 e 1 7. 11 7. 87 0.28 0 0.3 1 0 e2 4.70 bsc 0.185 bsc e 1.27 bsc 0.050 bsc note: 1. dimensions are in inches , mm for reference only 1.2 1.4 1.6 1.8 2.0 2.2 2.4 -55 -35 -15 5 25 45 65 85 105 125 vcesat (v) temperature ( c) AAHS298B output v ce saturation voltage vs temperature 500ma 350ma 700ma e e a 2 a 1 c b l e 1 d 1 1 0 1 1 2 0 s e a t i n g p l a n e a 1 e 2 www.datasheet.net/ datasheet pdf - http://www..co.kr/
AAHS298B p roduct s pecification microsemi analog mixed signal group one enterprise, aliso viejo, ca. 92656, (949) 380 - 1600 page 5 copyright ? 2012 rev. 1. 1 6/ 26 /2012 w w w. microsemi . co m radiation tolerant 8 - channel source driver l l x x 2 2 3 3 0 0 4 4 w w w. microsemi . co m AAHS298B n o t e s pr oduction data C information contained in this document is proprietary to microsemi and is current as of publication date. this document may not be modified in any way without the express written consent of microsemi. product processing does not necessarily include testing of all parameters. microsemi reserves the right to change the configuration and performance of the product and to discontinue product at any time. www.datasheet.net/ datasheet pdf - http://www..co.kr/
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