july 2009 ?2009 fairchild semiconductor corporation FDMC7680 rev.b www.fairchildsemi.com 1 FDMC7680 n-channel power trench ? mosfet FDMC7680 n-channel power trench ? mosfet 30 v, 14.8 a, 7.2 m features max r ds(on) = 7.2 m at v gs = 10 v, i d = 14.8 a max r ds(on) = 9.5 m at v gs = 4.5 v, i d = 12.4 a high performance technology for extremely low r ds(on) termination is lead-free and rohs compliant general description this n-channel mosfet is produced using fairchild semiconductor?s advanced power trench ? process that has been especially tailored to minimize the on-state resistance. this device is well suited for power management and load switching applications common in notebook computers and portable battery packs. application dc - dc buck converters notebook battery power management load switch in notebook mosfet maximum ratings t a = 25 c unless otherwise noted thermal characteristics package marking and ordering information symbol parameter ratings units v ds drain to source voltage 30 v v gs gate to source voltage 20 v i d drain current -continuous (package limited) t c = 25 c 18 a -continuous t a = 25 c (note 1a) 14.8 -pulsed 45 e as p d power dissipation t a = 25 c (note 1a) 2.3 w t j , t stg operating and storage junction temperature range -55 to +150 c r ja thermal resistance, junction to ambient (note 1a) 53 c/w device marking device package reel size tape width quantity FDMC7680 FDMC7680 mlp 3.3x3.3 13 ?? 12 mm 3000 units bottom d d d d s s s g top pin 1 mlp 3.3x3.3 g s s s d d d d 5 6 7 8 3 2 1 4 single pulse avalanche energy (note 3) 72 mj
FDMC7680 n-channel power trench ? mosfet www.fairchildsemi.com 2 ?2009 fairchild semiconductor corporation FDMC7680 rev.b electrical characteristics t j = 25 c unless otherwise noted symbol parameter test conditions min typ max units off characteristics bv dss drain to source breakdown voltage i d = 250 a, v gs = 0 v 30 v bv dss t j breakdown voltage temperature coefficient i d = 250 a, referenced to 25 c 15 mv/c i dss zero gate voltage drain current v ds = 24 v, v gs = 0 v 1 a t j = 125 c 250 i gss gate to source leakage current v gs = 20 v, v ds = 0 v 100 na on characteristics v gs(th) gate to source threshold voltage v gs = v ds , i d = 250 a 1.2 2.0 3.0 v v gs(th) t j gate to source threshold voltage temperature coefficient i d = 250 a, referenced to 25 c -6 mv/c r ds(on) static drain to source on resistance v gs = 10 v, i d = 14.8 a 5.8 7.2 m v gs = 4.5 v, i d = 12.4 a 7.3 9.5 v gs = 10 v, i d = 14.8 a t j = 125 c 7.4 9.2 g fs forward transconductance v dd = 5 v, i d = 14.8 a 68 s dynamic characteristics c iss input capacitance v ds = 15 v, v gs = 0 v, f = 1 mhz 2145 2855 pf c oss output capacitance 770 1020 pf c rss reverse transfer capacitance 75 115 pf r g gate resistance 0.5 switching characteristics t d(on) turn-on delay time v dd = 15 v, i d = 14.8 a, v gs = 10 v, r gen = 6 12 22 ns t r rise time 410ns t d(off) turn-off delay time 25 40 ns t f fall time 310ns q g(tot) total gate charge v gs = 0 v to 10 v v dd = 15 v i d = 14.8 a 30 42 nc total gate charge v gs = 0 v to 4.5 v 14 19 nc q gs total gate charge 7nc q gd gate to drain ?miller? charge 4 nc drain-source diode characteristics v sd source to drain diode forward voltage v gs = 0 v, i s = 14.8 a (note 2) 0.84 1.2 v v gs = 0 v, i s = 1.9 a (note 2) 0.73 1.2 t rr reverse recovery time i f = 14.8 a, di/dt = 100 a/ s 34 54 ns q rr reverse recovery charge 15 24 nc notes: 1. r ja is determined with the device mounted on a 1 in 2 pad 2 oz copper pad on a 1.5 x 1.5 in. board of fr-4 material. r jc is guaranteed by design while r ca is determined by the user's board design. 2. pulse test: pulse width < 30 0 s, duty cycle < 2.0 %. 3. e as of 72 mj is based on starting t j = 25 o c, l = 1 mh, i as = 12 a, v dd = 27 v, v gs = 10 v. 100% test at l = 3 mh, i as = 5.7 a. a. 53 c/w when mounted on a 1 in 2 pad of 2 oz copper b.125 c/w when mounted on a minimum pad of 2 oz copper
FDMC7680 n-channel power trench ? mosfet www.fairchildsemi.com 3 ?2009 fairchild semiconductor corporation FDMC7680 rev.b typical characteristics t j = 25 c unless otherwise noted figure 1. 0.0 0.5 1.0 1.5 2.0 0 9 18 27 36 45 v gs = 3.5 v v gs = 6 v v gs = 10 v v gs = 3 v v gs = 4 v pulse duration = 80 s duty cycle = 0.5% max v gs = 4.5 v i d , drain current (a) v ds , drain to source voltage (v) on-region characteristics figure 2. 0 9 18 27 36 45 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 v gs = 4.5 v v gs = 6 v v gs = 4 v normalized drain to source on-resistance i d , drain current (a) v gs = 10 v v gs = 3.5 v pulse duration = 80 s duty cycle = 0.5% max n o r m a l i z e d o n - r e s i s t a n c e vs drain current and gate voltage f i g u r e 3 . n o r m a l i z e d o n - r e s i s t a n c e -75 -50 -25 0 25 50 75 100 125 150 0.6 0.8 1.0 1.2 1.4 1.6 i d = 14.8 a v gs = 10 v normalized drain to source on-resistance t j , junction temperature ( o c ) vs junction temperature figure 4. 246810 0 5 10 15 20 25 t j = 125 o c i d = 14.8 a t j = 25 o c v gs , gate to source voltage (v) r ds(on) , drain to source on-resistance ( m ) pulse duration = 80 s duty cycle = 0.5% max o n - r e s i s t a n c e v s g a t e t o source voltage figure 5. transfer characteristics 12345 0 9 18 27 36 45 t j = 150 o c v ds = 5 v pulse duration = 80 s duty cycle = 0.5% max t j = -55 o c t j = 25 o c i d , drain current (a) v gs , gate to source voltage (v) figure 6. 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0.001 0.01 0.1 1 10 100 t j = -55 o c t j = 25 o c t j = 150 o c v gs = 0 v i s , reverse drain current (a) v sd , body diode forward voltage (v) s o u r c e t o d r a i n d i o d e forward voltage vs source current
FDMC7680 n-channel power trench ? mosfet www.fairchildsemi.com 4 ?2009 fairchild semiconductor corporation FDMC7680 rev.b figure 7. 0 4 8 121620242832 0 2 4 6 8 10 i d = 14.8 a v dd = 15 v v dd = 10 v v gs , gate to source voltage (v) q g , gate charge (nc) v dd = 20 v gate charge characteristics figure 8. 0.1 1 10 30 50 100 1000 3000 f = 1 mhz v gs = 0 v capacitance (pf) v ds , drain to source voltage (v) c rss c oss c iss c a p a c i t a n c e v s d r a i n to source voltage figure 9. 0.01 0.1 1 10 100 1 10 20 t j = 100 o c t j = 25 o c t j = 125 o c t av , time in avalanche (ms) i as , avalanche current (a) u n c l a m p e d i n d u c t i v e switching capability figure 10. 25 50 75 100 125 150 0 10 20 30 40 50 60 limited by package r jc = 4.0 o c/w v gs = 4.5 v v gs = 10 v i d , drain current (a) t c , case temperature ( o c ) m a x i m u m c o n t i n u o u s d r a i n c u r r e n t v s c a s e t e m p e r a t u r e figure 11. 0.01 0.1 1 10 100 0.01 0.1 1 10 60 1 s dc 100 ms 10 ms 1 ms 10 s i d , drain current (a) v ds , drain to source voltage (v) this area is limited by r ds(on) single pulse t j = max rated r ja = 125 o c/w t a = 25 o c 200 fo rw ard bi as safe operating area figure 12. 10 -4 10 -3 10 -2 10 -1 110 100 1000 0.5 1 10 100 1000 2000 v gs = 10 v p ( pk ) , peak transient power (w) t, pulse width (sec) single pulse r ja = 125 o c/w t a = 25 o c s i n g l e p u l s e m a x i m u m power dissipation typical characteristics t j = 25 c unless otherwise noted
FDMC7680 n-channel power trench ? mosfet www.fairchildsemi.com 5 ?2009 fairchild semiconductor corporation FDMC7680 rev.b figure 13. transient thermal response curve 10 -4 10 -3 10 -2 10 -1 110 100 1000 0.0001 0.001 0.01 0.1 1 2 single pulse r ja = 125 o c/w duty cycle-descending order normalized thermal impedance, z ja t, rectangular pulse duration (sec) d = 0.5 0.2 0.1 0.05 0.02 0.01 p dm t 1 t 2 notes: duty factor: d = t 1 /t 2 peak t j = p dm x z ja x r ja + t a typical characteristics t j = 25 c unless otherwise noted
FDMC7680 n-channel power trench ? mosfet www.fairchildsemi.com 6 ?2009 fairchild semiconductor corporation FDMC7680 rev.b dimensional outline and pad layout b. dimensions are in millimeters. c. dimensions and tolerances per a. does not conform to jedec registration mo-229 asme y14.5m, 1994 0.10 cab 0.05 c top view bottom view recommended land pattern 0.10 c 0.08 c b a 3.30 3.30 0.05 0.00 0.10 c 2x 2x 0.8 max side view seating plane 0.10 c pin #1 ident (0.203) 8 5 1.95 0.65 d. drawing file name : mlp08xreva pin#1 quadrant 0.40 0.30 4 1 (8x) e. land pattern recommendation is based on fsc design only 2.32 2.22 0.55 0.45 (4x) 1.150 0.299 2.05 1.95 0.350 r0.150 0.785
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