may 2007 rev 3 1/8 8 esdaxxxp6 asd transil? array for esd protection main applications where transient overvoltage protection in esd sensitive equipment is required, such as: computers servers printers communication systems and cellular phones video equipment these devices are particularly adapted to the protection of symmetrical signals. features 4 / 5 unidirectional (esda6v1p6 and esda6v1-5p6) and bidirectional (ESDA14V2BP6 and esda25-4bp6) tran sil functions breakdown voltage: v br = 6.1 v min., 14.2 v min. and 25 v min. low leakage current: < 500 na (esda6v1p6 / esda6v1-5p6) < 1 a (ESDA14V2BP6 and esda25-4bp6) very small pcb area < 2.6 mm 2 description the esdaxxxp6 are monolithic arrays designed to protect up to 5 lines against esd transients. these devices are ideal where board space saving and reduced line capacitance are required. benefits high esd protection level high integration suitable for high density boards complies with the following standards: order codes figure 1. esda6v1p6 functional diagram figure 2. esda6v1-5p6 functional diagram figure 3. ESDA14V2BP6 and esda25-4bp6 functional diagram tm: transil is a trademark of stmicroelectronics iec61000-4-2 level 4: 15 kv (air discharge) 8 kv (contact discharge) mil std 883e-method 3015-7: class3 25 kv (human body model) part number marking esda6v1p6 b esda6v1-5p6 c ESDA14V2BP6 a esda25-4bp6 v sot-666ip (internal pad) esda6v1p6 esda6v1-5p6 sot-666 ESDA14V2BP6 esda25-4bp6 i/o1 i/o2 gnd gnd i/o4 i/o3 i/o1 i/o2 gnd i/o5 i/o4 i/o3 i/o1 i/o2 gnd i/o4 gnd i/o3 www.st.com
characteristics esdaxxxp6 2/8 1 characteristics table 1. absolute maximum ratings (t amb = 25 c) symbol parameter value unit v pp iec 61000-4-2 level 4 standard air discharge contact discharge 15 8 kv p pp peak pulse power (8/20 s) (1) t j initial = t amb 1. for a surge greater than the maximum val ues, the diode will fail in short-circuit. esda6v1p6 / esda6v1-5p6 150 w ESDA14V2BP6 / esda25-4bp6 50 t j junction temperature 150 c t stg storage temperature range -55 to +150 c t l maximum lead temperature for soldering during 10 s at 5 mm for case 260 c t op operating temperature range -40 to +150 c table 2. electrical characteristics (t amb = 25 c) symbol parameter v rm stand-off voltage v br breakdown voltage v cl clamping voltage i rm leakage current i pp peak pulse current t voltage temperature coefficient v f forward voltage drop c capacitance r d dynamic resistance part numbers v br @ i r i rm @ v rm r d tc min. max. max. max. typ. typ. @ 0v vvmaa v 10 -4 /c pf esda6v1p6 6.1 7.2 1 0.5 3 1.5 4 70 esda6v1-5p6 ESDA14V2BP6 14.2 18 1 112 1.5 5.8 25 0.1 3 esda25-4bp6 25 30 1 1 24 1.7 7.3 22 v i v cl v br v rm i f v f i rm i pp slope: 1/r d unidirectional v i v cl v br v rm i rm i pp slope: 1/r d bidirectional
esdaxxxp6 characteristics 3/8 figure 4. peak power dissipation versus initial junction temperature figure 5. peak pulse power versus exponential pulse duration (t j initial = 25 c) p [t initial] / [t initial=25c] pp j j p pp 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 0 25 50 75 100 125 150 175 t initial (c) j 10 100 1000 110100 esda6v1p6 & esda6v1-5p6 ESDA14V2BP6 & esda25-4bp6 t (s) p p (w) pp t initial = 25c j figure 6. clamping voltage versus peak pulse current (t j initial = 25 c, rectangular waveform, t p = 2.5 s) figure 7. junction capacitance versus reverse applied voltage (typical values) 0.1 1.0 10.0 100.0 0 10203040506070 t p =2.5s t j initial =25c esda6v1p6 & esda6v1-5p6 ESDA14V2BP6 i (a) pp v (v) cl esda25-4bp6 0 10 20 30 40 50 60 70 80 01234567891011121314 esda6v1p6 & esda6v1-5p6 ESDA14V2BP6 v (v) r c(pf) f=1mhz v =30mv t =25c osc rms j esda25-4bp6 figure 8. relative variation of leakage current versus junction temperature (typical values) figure 9. peak forward voltage drop versus peak forward current (typical values) 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 25 50 75 100 125 150 esda6v1p6 & esda6v1-5p6 v rm =3 v ESDA14V2BP6 v rm =12 v t (c) j i [t ] / i [t =25c] rj rj esda25-4bp6 v = 24 v rm 1.e-03 1.e-02 1.e-01 1.e+00 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 t j =25c t j =125c esda6v1p6 & esda6v1-5p6 i (a) fm v (v) fm
ordering information scheme esdaxxxp6 4/8 2 ordering information scheme figure 10. esd response @ v pp = 15 kv air discharge (esda6v1-5p6) figure 11. esd response @ v pp = 15 kv air discharge (esda25-4bp6) 0.2 s per div 20 v per div esda 6v1 - x b px esd array breakdown voltage packages 6v1 = 6.1 volts min. 14v2 = 14.2 volts min. 25 = 25 volts min. 5 = 5 lines 4 = 4 lines number of lines protected (optional) type blank = unidirectional b = bidirectional p6 = sot-666 for ESDA14V2BP6 and esda25-4bp6 sot-666ip for esda6v1p6 and esda6v1-5p6
esdaxxxp6 package information 5/8 3 package information epoxy meets ul94, v0 figure 12. sot-666 footprint (dimensions in mm) table 3. sot-666 dimensions ref. dimensions millimeters inches min. typ. max. min. typ. max. a 0.45 0.60 0.018 0.024 a3 0.08 0.18 0.003 0.007 b 0.17 0.34 0.007 0.013 b1 0.19 0.27 0.34 0.007 0.011 0.013 d 1.50 1.70 0.059 0.067 e 1.50 1.70 0.059 0.067 e1 1.10 1.30 0.043 0.051 e0.50 0.020 l1 0.19 0.007 l2 0.10 0.30 0.004 0.012 l3 0.10 0.004 d b l3 l1 e b1 e1 l2 e a a3 0.50 2.60 0.62 0.30 0.99
package information esdaxxxp6 6/8 figure 13. sot-666ip footprint (dimensions in mm) in order to meet environmental requirements, st offers these devices in ecopack? packages. these packages have a lead-free second level interconnect. the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com. table 4. sot-666ip dimensions ref. dimensions millimeters inches min. typ. max. min. typ. max. a 0.45 0.60 0.018 0.024 a3 0.08 0.18 0.003 0.007 b 0.17 0.34 0.007 0.013 b1 0.19 0.27 0.34 0.007 0.011 0.013 d 1.50 1.70 0.059 0.067 e 1.50 1.70 0.059 0.067 e1 1.10 1.30 0.043 0.051 e0.50 0.020 l1 0.19 0.007 l2 0.10 0.30 0.004 0.012 l3 0.10 0.004 l4 0.60 0.024 d b l3 l1 l4 e b1 e1 l2 e a a3 0.30 0.50 2.60 0.62 0.99 0.21 1.40 0.20
esdaxxxp6 ordering information 7/8 4 ordering information 5 revision history part number marking package weight base qty delivery mode esda6v1p6 b sot-666ip 2.9 mg 3000 tape and reel esda6v1-5p6 c ESDA14V2BP6 a sot-666 esda25-4bp6 v date revision changes 07-feb-2006 1 esda6v1p6, esda6v1-5p6 a nd ESDA14V2BP6: datasheets merged. ecopack statement added. some curves combined. 26-jun-2006 2 reformatted to current standards. modified package information to show both sot-666 and sot-666ip. 22-may-2007 3 added product esda25-4bp6
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