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this is information on a product in full production. october 2015 docid026556 rev 2 1/11 ldp01-xxay automotive tvs for load dump protection datasheet - production data features ? stand-off voltage range: from 22 to 70 v ? low leakage current: 1 a at 25 c ? operating t j max: 175 c ? high power capability at t j max ? jedec registered package outline ? rohs and halogen free ? resin meets ul 94, v0 ? aec-q101 compliant complies with the following standards: ? iec 61000-4-2 exceeds level 4 - 30 kv (air discharge) - 30 kv (contact discharge) ? iso10605 ? c = 330 pf, r = 330 ? - 30 kv (air discharge) - 30 kv (contact discharge) ? iso 7637-2 - pulse 1: v s = -150 v - pulse 2a: v s = +112 v - pulse 3a: vs = -220 v - pulse 3b: vs = +150 v - formerly pulses 5a and 5b ? iso 16750-2 - tests a and b description the ldp01-xxay transil? series have been designed to protect automotive sensitive circuits against surges defined in iso 7637-2 and iso 16750 tests a and b also called load-dump. the planar technology makes it compatible with high-end circuits where low leakage current and high junction temperature are required to provide reliability and stability over time. ldp01-xxay is packaged in d2pak. . 'e3$. $ $ %rwkdqrghvpxvwehfrqqhfwhg table 1. device summary part number breakdown voltage (v br at i r = 1 ma) min. typ. max. v ldp01-26ay 24.4 26 27.0 LDP01-28AY 26.7 28 29.5 ldp01-30ay 28.9 30 31.9 ldp01-33ay 31.1 33 34.3 ldp01-35ay 33.3 35 36.9 ldp01-39ay 36.7 39 40.5 ldp01-42ay 40 42 44.2 ldp01-47ay 44.4 47 49 ldp01-50ay 47.8 50 52.8 ldp01-56ay 53.3 56 58.9 ldp01-68ay 64.4 68 71.2 ldp01-82ay 77.8 82 86 www.st.com
characteristics ldp01-xxay 2/11 docid026556 rev 2 1 characteristics figure 1. electrical characteristics (definitions) figure 2. pulse definition for electrical characteristics table 2. absolute maximum ratings (t amb = 25 c) symbol parameter value unit v pp peak pulse voltage iso 10605 (c = 330 pf, r = 330 ? ) ? contact discharge ? air discharge iec 61000-4-2 ? contact discharge ? air discharge 30 30 30 30 kv t stg storage temperature range -65 to + 175 c t j operating junction temperature range -55 to + 175 c t l maximum lead temperature for soldering during 10 s 260 c table 3. thermal parameter symbol parameter maximum unit r th(j-c) junction to case d 2 pak 0.24 c/w v i v cl v br v rm i f v f i rm i pp slope: 1/r d symbol parameter v = breakdown voltage i = leakage current at v v = stand-off voltage i = peak pulse current v = forward voltage drop r br rm rm rm pp f v = clamping voltage cl d = dynamic impedance t = voltage temperature 100 50 %i pp t t r p 0 t pulse waveform t r = rise (s) t p = pulse duration time (s)
docid026556 rev 2 3/11 ldp01-xxay characteristics 11 table 4. electrical characteristics (parameter) order code i rm max. at v rm v br at i r (1) v cl at i pp 10/1000 s r d (2) 10/1000 s v cl at i pp 8/20 s r d (2) 8/20 s ? t (3) 25 c 175 c min. typ. max. max. max. max. a v v ma v a m ? vam ? 10 -4 /c ldp01-26ay 1 100 22 24.4 26 27.0 1 36 140 64 42 1400 11 9.6 LDP01-28AY 1 100 24 26.7 28 29.5 1 40 120 88 45 1250 12 9.7 ldp01-30ay 1 100 27 28.9 30 31.9 1 40 125 65 49 1400 12 9.7 ldp01-33ay 1 100 28 31.1 33 34.3 1 43.5 110 75 56 1250 17 9.8 ldp01-35ay 1 100 30 33.3 35 36.9 1 45.5 95 91 60 1150 20 9.9 ldp01-39ay 1 100 33 36.7 39 40.5 1 51.5 85 129 66 1050 24 10 ldp01-42ay 1 100 36 40 42 44.2 1 57 77 166 71 1000 27 10 ldp01-47ay 1 100 40 44.4 47 49 1 63 65 215 76.5 950 29 10.1 ldp01-50ay 1 100 43 47.8 50 52.8 1 68 55 276 81 900 31 10.2 ldp01-56ay 1 100 48 53.3 56 58.9 1 76 48 356 90 770 40 10.3 ldp01-68ay 1 100 58 64.4 68 71.2 1 92 42 495 110 620 63 10.4 ldp01-82ay 1 100 70 77.8 82 86 1 113 35 771 135 550 89 10.5 1. pulse test: t p < 50 ms 2. to calculate maximum clamping voltage at other surge level, use the following formula: v cl max = r d x i pp + v br max 3. to calculate v br or v cl versus junction temperature, use the following formulas: v br at t j = v br at 25 c x (1 + ? t x (t j - 25)) v cl at t j = v cl at 25 c x (1 + ? t x (t j - 25)) figure 3. peak pulse power dissipation versus initial junction temperature (ldp01-30ay) figure 4. peak pulse power versus exponential pulse duration (ldp01-30ay) 0 1 2 3 4 5 6 0 25 50 75 100 125 150 175 200 p pp (kw) t j (c ) 10/1000 s t j initial = 25 c ldp01-30ay 0.1 1 10 100 1000 0.01 0.1 1 10 100 p pp (kw) t p (ms) t j initial = 25 c ldp01-30ay
characteristics ldp01-xxay 4/11 docid026556 rev 2 figure 5. iso7637-2, pulse 5a definition figure 6. load dump capability (ldp01-30ay us = f(ri) pulse 5a) 13.5 v 10% td 13.5 v battery voltage t us 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 td = 300 ms td = 400 ms td = 150 ms serial resistance ( ) 13.5 v + us (v) 13.5+30 13.5+35 13.5+40 13.5+45 13.5+50 13.5+55 13.5+60 13.5+65 13.5+70 13.5+75 figure 7. iso7637-2, pulse 5b definition figure 8. load dump capability (ldp01-30ay us* = f(ri) pulse 5b, u s = 87 v) 13.5 v 10% us td 0 battery voltage t us * 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 serial resistance ( 13.5 v + us* (v) 13.5+20 13.5+25 13.5+30 13.5+35 13.5+40 13.5+45 13.5+50 13.5+55 13.5+60 13.5+65 td = 400ms td = 300ms td = 150ms figure 9. iso 16750-2, test a definition figure 10. load dump capability (ldp01-30ay us = f(ri), test a) 0.1 (us ? u a ) us td u a battery voltage t 0 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 30 35 40 45 50 55 60 65 70 75 80 85 90 u s (v) td = 300 ms td = 400 ms t d= 150 ms serial resistance (
docid026556 rev 2 5/11 ldp01-xxay characteristics 11 figure 11. iso 16750-2, test b definition figure 12. load dump capability (ldp01-30ay us* = f(ri) test b, u s = 87 v) u a 10% us td battery voltage t us * 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 serial resistance ( ) 30 35 40 45 50 55 60 65 70 75 80 us* (v) td = 300 ms td = 400 ms td = 150 ms figure 13. clamping voltage versus peak pulse current (maximum values) figure 14. iso 16750-2 test b response (u a +u s * = 13.5 + 30 v, u s = 87 v, t d = 400 ms, r i = 0.5 ? ) , 33 $ ?v ?v 7 m lqlwldo ?& /'3$< /'3$< /'3$< 9 &/ 9 v cl (5 v/div) i pp (5 a/div) p pp (200 w/div) 37.2 v 16.9 a 547 w 50 ms/div figure 15. peak forward voltage versus peak forward current (typical values) figure 16. leakage current versus junction temperature (typical values) i fm (a) 0.1 1.0 10.0 100.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 v fm (v) ldp01-30ay t j initial = 25 c t j initial = 175 c pulse duration 2 ms i r (na) 1 10 100 1000 10000 25 50 75 100 125 150 175 t j (c) v= v rrm
characteristics ldp01-xxay 6/11 docid026556 rev 2 figure 17. relative variation of thermal impedance junction to case versus pulse duration more information available in an2689 on www.st.com: protection of automotive electronics from electrical hazards, guidelines for design and component selection. 0 0.05 0.1 0.15 0.2 0.25 1.e-05 1.e-04 1.e-03 1.e-02 1.e-01 1.e+00 z th(j-c) ( c/w) both anodes connected t p (s)
docid026556 rev 2 7/11 ldp01-xxay package information 11 2 package information ? epoxy meets ul94, v0 in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. figure 18. d 2 pak dimension definitions g l l3 l2 b b2 e * f 2mm lat zone no less than a c2 d r a2 m v2 c a1 *
package information ldp01-xxay 8/11 docid026556 rev 2 figure 19. footprint (dimensions in mm) table 5. d 2 pak dimension values ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 a1 2.49 2.69 0.098 0.106 a2 0.03 0.23 0.001 0.009 b 0.70 0.93 0.027 0.037 b2 1.14 1.70 0.045 0.067 c 0.45 0.60 0.017 0.024 c2 1.23 1.36 0.048 0.054 d 8.95 9.35 0.352 0.368 e 10.00 10.40 0.393 0.409 g 4.88 5.28 0.192 0.208 l 15.00 15.85 0.590 0.624 l2 1.27 1.40 0.050 0.055 l3 1.30 1.75 0.051 0.069 m 2.29 2.79 0.090 0.110 r 0.40 typ. 0.016 typ. v2 0 8 0 8 16.90 12.2 9.75 3.50 5.08 1.60 2.54
docid026556 rev 2 9/11 ldp01-xxay package information 11 figure 20. marking xxxx : marking z : manufacturing location y : year ww : week xxxx z y w w xxxx
ordering information ldp01-xxay 10/11 docid026556 rev 2 3 ordering information 4 revision history table 6. ordering information order code marking package weight base qty delivery mode ldp01-26ay ldp01-26ay d2pak 1.38 g 1000 tape and reel LDP01-28AY LDP01-28AY ldp01-30ay ldp01-30ay ldp01-33ay ldp01-33ay ldp01-35ay ldp01-35ay ldp01-39ay ldp01-39ay ldp01-42ay ldp01-42ay ldp01-47ay ldp01-47ay ldp01-50ay ldp01-50ay ldp01-56ay ldp01-56ay ldp01-68ay ldp01-68ay ldp01-82ay ldp01-82ay table 7. document revision history date revision changes 26-nov-2014 1 initial release. 01-oct-2015 2 added wildcard character in part number on the cover page. updated figure 4 . minor text changes.
docid026556 rev 2 11/11 ldp01-xxay 11 important notice ? please read carefully stmicroelectronics nv and its subsidiaries (?st?) reserve the right to make changes, corrections, enhancements, modifications, and improvements to st products and/or to this document at any time without notice. purchasers should obtain the latest relevant in formation on st products before placing orders. st products are sold pursuant to st?s terms and conditions of sale in place at the time of o rder acknowledgement. purchasers are solely responsible for the choice, selection, and use of st products and st assumes no liability for application assistance or the design of purchasers? products. no license, express or implied, to any intellectual property right is granted by st herein. resale of st products with provisions different from the information set forth herein shall void any warranty granted by st for such product. st and the st logo are trademarks of st. all other product or service names are the property of their respective owners. information in this document supersedes and replaces information previously supplied in any prior versions of this document. ? 2015 stmicroelectronics ? all rights reserved

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