microsemi scottsdale division 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941 - 6300, fax: (480) 947 - 1503 page 1 copyright ? 2001 mscxxxx.pdf 06 - 24 2002 rev j www. microsemi . com MMAD130 switching diode array steering diode tvs array tm scottsdale division MMAD130 description these low capacitance diode arrays are multiple, discrete, isolated junctions fabricated by a planar process and mounted in a 14 - pin package for use as steering diodes protecting up to ten i/o ports from esd, eft, or surge by directing th em either to the positive side of the power supply line or to ground (see figure 1). an external tvs diode may be added between the positive supply line and ground to prevent overvoltage on the supply rail. they may also be used in fast switching core - driv er applications. this includes computers and peripheral equipment such as magnetic cores, thin - film memories, plated - wire memories, etc., as well as decoding or encoding applications. these arrays offer many advantages of integrated circuits such as high - d ensity packaging and improved reliability. this is a result of fewer pick and place operations, smaller footprint, smaller weight, and elimination of various discrete packages that may not be as user friendly in pc board mounting. important: for the m ost current data, consult microsemi ?s website: http://www.microsemi.com electrical characteristics per line @ 25c unless otherwise speci fied breakdown voltage v br @ i br =100a v working peak reverse voltage v rwm v leakage current i r t a = 25 c a leakage current i r t a = 150 c a capacitance c @ 0 v pf reverse recovery time t rr ns forward voltage v f i f = 10 ma v forward voltage v f i f = 100 ma v part number min max max @v r max @v r typ max max max MMAD130 90 75 0.200 20 300 20 1.5 5.0 1.00 1.20 features 20 diode array / protects 10 lines molded 14 - pin soic package ul 94v - 0 flammability classification low capacitance 1.5 pf per diode switching speeds less than 5 ns iec 61000 - 4 compatible 61000 - 4 - 2 (esd): air 15kv, contact ? 8 kv 61000 - 4 - 4 (eft): 40a ? 5/50 ns 61000 - 4 - 5 (surge): 12a, 8/20 s maximum ratings operating temperature: - 55c to +150c storage temperature: - 55c to +150c forward surge current: 2 amps (8.3 ms) 12 amps (8/20 s ) continuous forward current: 400 ma (one diode) power dissipation (p d ): 1500 mw (total) applications / benef its high frequency data lines rs - 232 & rs - 422 interface networks ethernet: 10 base t computer i / o ports lan switching core drivers mechanical and packa ging weight 0.127 grams (approximate) marking: logo, device number, date code pin #1 defined by indent on top of package tape & reel packaging: 2500 pcs (standard) carrier tube packaging: 55 pcs switching and steering array 1 2 3 5 4 6 7 14 13 12 10 11 9 8 top viewing pin layout
microsemi scottsdale division 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941 - 6300, fax: (480) 947 - 1503 page 2 copyright ? 2001 mscxxxx.pdf 06 - 24 2002 rev j www. microsemi . com MMAD130 switching diode array steering diode tvs array tm scottsdale division MMAD130 symbols & definition s symbol definition v br minimum breakdown vol tage: the minimum voltage the device will exhibit at a specified current. v rwm working peak reverse voltage: the maximum peak voltage that can be applied over the operating temperature range. v f maximum forward voltage: the maximum forward voltage the device will exhibit at a specified current. i r maximum leakage current: the maximum leakage current that will flow at the specified voltage and temperature. c capacitance: the capacitance of the tvs as defined @ 0 volts at a frequency of 1 mhz and sta ted in picofarads. outline and circui t inches millimeters dim min max min max a 0.336 0.344 8.53 8.74 b 0.150 0.158 3.81 4.01 c 0.053 0.069 1.35 1.75 d 0.011 0.021 0.28 0.53 f 0.016 0.050 0.41 1.27 g 0.050 bsc 01.27 bsc j 0.006 0.010 0.15 0.25 k 0.004 0.008 0.10 0.20 l 0.189 0.206 4.80 5.23 p 0.228 0.244 5.79 6.19 outline circuit configuration i/o port supply rail (or +v cc ) gnd (or ? v cc ) steering diode application figure 1 pad layout l j f c k p a g d b 0.275 6.99 0.024 0.61 0.050 0.155 1.52 0.060 mm inches 1.27 3.94
|
