may 2006 ? 2006 fairchild semiconductor corporation FDMA1028NZ rev b (w) FDMA1028NZ dual n-channel powertrench ? mosfet general description this device is designed specif ically as a single package solution for dual switching requirements in cellular handset and other ultra-portable applications. it features two independent n-channel mosfets with low on-state resistance for minimum conduction losses. the microfet 2x2 package offers exceptional thermal performance for its physical size and is well suited to linear mode applications. features ? 3.7 a, 20v. r ds(on) = 68 m ? @ v gs = 4.5v r ds(on) = 86 m ? @ v gs = 2.5v ? low profile ? 0.8 mm maximum ? in the new package microfet 2x2 mm ? rohs compliant 3 2 1 4 5 6 absolute maximum ratings t a =25 o c unless otherwise noted symbol parameter ratings units v ds drain-source voltage 20 v v gs gate-source voltage 12 v drain current ? continuous (note 1a) 3.7 i d ? pulsed 6 a power dissipation for single operation (note 1a) 1.4 p d (note 1b) 0.7 w t j , t stg operating and storage junction temperature range ?55 to +150 c thermal characteristics r ja thermal resistance, junction-to-ambient (note 1a) 86 (single operation) r ja thermal resistance, junction-to-ambient (note 1b) 173 (single operation) r ja thermal resistance, junction-to-ambient (note 1c) 69 (dual operation) r ja thermal resistance, junction-to-ambient (note 1d) 151 (dual operation) c/w package marking and ordering information device marking device reel size tape width quantity 028 FDMA1028NZ 7?? 8mm 3000 units FDMA1028NZ dual n-channel powertrench ? mosfet microfet 2x2 s1 g1 d1 s2 g2 d2 pin 1 s1 g1 d2 d1 g2 s2 d1 d2
FDMA1028NZ rev b (w) electrical characteristics t a = 25c unless otherwise noted symbol parameter test conditions min typ max units off characteristics bv dss drain?source breakdown voltage v gs = 0 v, i d = 250 a 20 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 = 16 v, v gs = 0 v 1 a i gss gate?body leakage v gs = 12 v, v ds = 0 v 10 a on characteristics (note 2) v gs(th) gate threshold voltage v ds = v gs , i d = 250 a 0.6 1.0 1.5 v ? v gs(th) ? t j gate threshold voltage temperature coefficient i d = 250 a, referenced to 25 c ?4 mv/ c r ds(on) static drain?source on?resistance v gs = 4.5 v, i d = 3.7 a v gs = 2.5 v, i d = 3.3 a v gs = 4.5 v, i d = 3.7 a, t j =125 c 37 50 53 68 86 90 m ? g fs forward transconductance v ds = 10 v, i d = 3.7 a 16 s dynamic characteristics c iss input capacitance 340 pf c oss output capacitance 80 pf c rss reverse transfer capacitance v ds = 10 v, v gs = 0 v, f = 1.0 mhz 60 pf switching characteristics (note 2) t d(on) turn?on delay time 8 16 ns t r turn?on rise time 8 16 ns t d(off) turn?off delay time 14 26 ns t f turn?off fall time v dd = 10 v, i d = 1 a, v gs = 4.5 v, r gen = 6 ? 3 6 ns q g total gate charge 4 6 nc q gs gate?source charge 0.7 nc q gd gate?drain charge v ds = 10 v, i d = 3.7 a, v gs = 4.5 v 1.1 nc FDMA1028NZ dual n-channel powertrench ? mosfet
FDMA1028NZ rev b (w) electrical characteristics t a = 25c unless otherwise noted symbol parameter test conditions min typ max units drain?source diode characteristics and maximum ratings i s maximum continuous drain?source diode forward current 1.1 a v sd drain?source diode forward voltage v gs = 0 v, i s = 1.1 a (note 2) 0.7 1.2 v t rr diode reverse recovery time 11 ns q rr diode reverse recovery charge i f = 3.7 a, di f /dt = 100 a/s 2 nc notes: 1. r ja is determined with the device mounted on a 1 in 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 ja is determined by the user's board design. (a) r ja = 86c/w when mounted on a 1in 2 pad of 2 oz copper, 1.5? x 1.5? x 0.062? thick pcb (b) r ja = 173c/w when mounted on a minimum pad of 2 oz copper (c) r ja = 69c/w when mounted on a 1in 2 pad of 2 oz copper, 1.5? x 1.5? x 0.062? thick pcb (d) r ja = 151c/w when mounted on a minimum pad of 2 oz copper a) 86 o c/w when mounted on a 1in 2 pad of 2 oz copper b) 173 o c/w when mounted on a minimum pad of 2 oz copper scale 1 : 1 on letter size paper 2. pulse test: pulse width < 300 s, duty cycle < 2.0% FDMA1028NZ dual n-channel powertrench ? mosfet
FDMA1028NZ rev b (w) typical characteristics 0 1 2 3 4 5 6 0 0.2 0.4 0.6 0.8 1 1.2 v ds , drain-source voltage (v) i d , drain current (a) 2.5v 2.0v v gs = 4.5v 3.0v 3.5v 1.5v 0.8 1 1.2 1.4 1.6 1.8 2 0123456 i d , drain current (a) r ds(on) , normalized drain-source on-resistance v gs = 2.0v 2.5v 3.5v 4.5v 3.0v 4.0v figure 1. on-region characteristics. fi gure 2. on-resistance variation with drain current and gate voltage. 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 -50 -25 0 25 50 75 100 125 150 t j , junction temperature ( o c) r ds(on) , normalized drain-source on-resistance i d = 3.7a v gs = 4.5v 0.03 0.05 0.07 0.09 0.11 0.13 0246810 v gs , gate to source voltage (v) r ds(on) , on-resistance (ohm) i d = 1.85a t a = 125 o c t a = 25 o c figure 3. on-resistance variation with temperature. figure 4. on-resistance variation with gate-to-source voltage. 0 1 2 3 4 5 6 0.511.522.5 v gs , gate to source voltage (v) i d , drain current (a) t a = 125 o c 25 o c -55 o c v ds = 5v 0.0001 0.001 0.01 0.1 1 10 100 0 0.2 0.4 0.6 0.8 1 1.2 v sd , body diode forward voltage (v) i s , reverse drain current (a) t a = 125 o c 25 o c -55 o c v gs = 0v figure 5. transfer characteristics. figure 6. body diode forward voltage variation with source current and temperature. FDMA1028NZ dual n-channel powertrench ? mosfet
FDMA1028NZ rev b (w) typical characteristics 0 2 4 6 8 10 0246810 q g , gate charge (nc) v gs , gate-source voltage (v) i d = 3.7a v ds = 5v 10v 15v 0 100 200 300 400 500 0 5 10 15 20 v ds , drain to source voltage (v) capacitance (pf) c iss c rss c oss f = 1mhz v gs = 0 v figure 7. gate charge characteristics. figure 8. capacitance characteristics. 0.01 0.1 1 10 100 0.1 1 10 100 v ds , drain-source voltage (v) i d , drain current (a) dc 10s 1s 100ms r ds(on) limit v gs = 4.5v single pulse r ja = 173c/w t a = 25c 10ms 1ms 100us 0 10 20 30 40 50 0.0001 0.001 0.01 0.1 1 10 100 1000 t 1 , time (sec) p(pk), peak transient power (w) single pulse r ja = 173c/w t a = 25c figure 9. maximum safe operating area. figure 10. single pulse maximum power dissipation. 0.01 0.1 1 0.0001 0.001 0.01 0.1 1 10 100 1000 t 1 , time (sec) r(t), normalized effective transient thermal resistance r ja (t) = r(t) * r ja r ja =173 c/w t j - t a = p * r ja (t) duty cycle, d = t 1 / t 2 p (p k ) t 1 t 2 single pulse 0.01 0.02 0.05 0.1 0.2 d = 0.5 figure 11. transient thermal response curve. thermal charac terization performed us ing the conditions desc ribed in note 1b. transient th ermal response will change depe nding on the circuit board design. FDMA1028NZ dual n-channel powertrench ? mosfet
FDMA1028NZ rev b (w) FDMA1028NZ dual n-channel powertrench ? mosfet
rev. i19 trademarks the following are registered and unregistered trademarks fairch ild semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. these specifications do not expand the terms of fairchild?s worldwide terms and conditions, specifically the warranty therein, which covers these products. life support policy fairchild?s products are not authorized for us e as critical components in life support devices or systems without the express written approval of fairchild semiconductor corporation. as used herein: 1. life support devices or s ystems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. a critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause t he failure of the life support device or system, or to affect its safety or effectiveness. product status definitions definition of terms acex? activearray? bottomless? build it now? coolfet? crossvolt ? dome? ecospark? e 2 cmos? ensigna? fact? fast ? fastr? fps? frfet? globaloptoisolator? gto? hisec? i 2 c? i-lo ? implieddisconnect? intellimax? isoplanar? littlefet? microcoupler? microfet? micropak? microwire? msx? msxpro? ocx? ocxpro? optologic ? optoplanar? pacman? pop? power247? poweredge? powersaver? powertrench ? qfet ? qs? qt optoelectronics? quiet series? rapidconfigure? rapidconnect? serdes? scalarpump? silent switcher ? smart start? spm? stealth? superfet? supersot?-3 supersot?-6 supersot?-8 syncfet? tcm? tinylogic ? tinyopto? trutranslation? uhc? unifet? ultrafet ? vcx? wire? fact quiet series? across the board. around the world.? the power franchise ? programmable active droop? datasheet identification product status definition advance information formative or in design this datasheet contains the design specifications for product development. specif ications may change in any manner without notice. preliminary first production this datas heet contains preliminary data, and supplementary data will be published at a later date. fairchild semiconductor reserves the right to make changes at any time without not ice in order to improve design. no identification needed full production this datasheet contains final specifications. fairchild semiconductor reserves the right to make changes at any time without notice in order to improve design. obsolete not in production this datasheet contains specifications on a product that has been discontinued by fairchild semiconductor. the datasheet is printed for reference information only.
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