2009. 4. 24 1/4 semiconductor technical data KU2303Q n-ch trench mosfet revision no : 0 general description this trench mosfet has better characteristics, such as fast switching time, low on resistance, low gate charge and excellent avalanche characteristiscs. it is mainly suitable for dc/dc converter and battery pack. features v dss =30v, i d =14a. drain to source on resistance. r ds(on) =8.2m (max.) @ v gs =10v r ds(on) =14.7m (max.) @ v gs =4.5v mosfet maximum ratings (ta=25 unless otherwise noted) b2 g h b1 1 4 5 8 a p d l t flp-8 0.20+0.1/-0.05 t p 1.27 millimeters dim a 4.85 0.2 + _ b1 3.94 0.2 + _ b2 6.02 0.3 + _ d 0.4 0.1 + _ g 0.15+0.1/-0.05 h 1.63 0.2 + _ l 0.65 0.2 + _ note1) surface mounted on 1 ? 1 ? fr4 board, t 10sec. 1 2 3 4 8 7 6 5 s s s g d d d d 1 2 3 4 8 7 6 5 KU2303Q pin connection (top view) characteristic symbol rating unit drain to source voltage v dss 30 v gate to source voltage v gss 20 v drain current dc@ta=25 (note 1) i d 14 a pulsed i dp 56 a drain power dissipation @ta=25 (note 1) p d 2.5 w maximum junction temperature t j 150 storage temperature range t stg -55~150 thermal resistance, junction to ambient (note 1) r thja 50 /w
2009. 4. 24 2/4 KU2303Q revision no : 0 electrical characteristics (ta=25 ) unless otherwise noted characteristic symbol test condition min. typ. max. unit static drain to source breakdown voltage bv dss v gs =0v, i d =250 a 30 - - v drain cut-off current i dss v gs =0v, v ds =30v - - 1 a gate to source leakage current i gss v gs = 20v, v ds =0v - - 100 na gate to source threshold voltage v th v ds =v gs, i d =250 a 1.0 - 3.0 v drain to source on resistance r ds(on) v gs =10v, i d =14a (note2) - 6.8 8.2 m v gs =4.5v, i d =11a (note2) - 12.3 14.7 forward transconductance g fs v ds =5v, i d =14a (note2) - 46 - s dynamic input capaclitance c iss v ds =15v, v gs =0v, f=1mhz (note2) - 937 - pf ouput capacitance c oss - 311 - reverse transfer capacitance c rss - 154 - gate resistance r g f=1mhz - 1.3 - ? total gate charge v gs =10v q g v ds =15v, v gs =10v, i d =14a (note2) - 18.4 - nc v gs =4.5v - 9.6 - gate to source charge q gs - 3.0 - gate to drain charge q gd - 4.9 - turn-on delay time t d(on) v ds =15v, v gs =10v i d =14a, r g =1.6 (note2) - 6.2 - ns turn-on rise time t r - 7.0 - turn-off delay time t d(off) - 20.3 - turn-off fall time t f - 6.0 - source to drain diode ratings source to drain forward voltage v sd v gs =0v, i s =14a (note2) - 0.8 1.2 v reverse recovery time t rr i s =14a, di/dt=100a/ s - 17.7 - ns reverse recovered charge q rr i s =14a, di/dt=100a/ s - 8.4 - nc note2) pulse test : pulse width 300 , duty cycle 2%
2009. 4. 24 3/4 KU2303Q revision no : 0 0 12 16 4 8 20 36 48 01224 60 drain current i d (a) drain to source on resistance r ds(on) (m ? ) v gs =4.5v v gs =10v fig2. r ds(on) - i d gate to source voltage v gs (v) fig1. i d - v ds drain to source voltage v ds (v) 0 0 0.5 24 48 12 36 60 1.0 1.5 2.0 2.5 3.0 12 36 0 24 60 48 34 12 5 fig3. i d - v gs fig6. i s - v sd drain current i d (a) drain current i d (a) fig4. r ds(on) - t j -75 -50 -25 25 50 75 175 150 125 100 0 reverse drain current i s (a) 10 -2 10 -1 10 1 10 0 10 2 0.6 1.2 1.0 0.4 0.8 0.2 source to drain voltage v sd (v) normalized gate to source threshold voltage fig5. v th - t j -75 -50 -25 0.4 0.6 0.2 1.6 0.8 1.0 1.4 1.2 0.6 0.8 0.2 0.4 1.0 1.2 1.8 1.4 2.0 1.6 050100 25 175 150 125 75 normalized on resistance r ds(on) junction temperature tj ( ) c junction temperature tj ( ) c 5v 3.0v 3.5v 4.0v 4.5v v ds = v gs, i d = 250 a t j =25 c t j =-55 c t j =150 c t j =25 c t j =-55 c t j =150 c v gs =10v v gs =10v, i d =14a v gs =4.5v, i d =11a v ds =5v
2009. 4. 24 4/4 KU2303Q revision no : 0 drain current i d (a) drain to source voltage v ds (v) fig10. safe operation area v gs = 10v single pulse t a = 25 c r ds(on) limit dc 100ms 10ms 1ms 100us c oss square wave pulse duration (sec) 10 1 10 1 10 0 10 2 10 3 10 -3 10 -2 10 -1 1 10 -4 fig11. transient thermal response curve 10 -1 10 -2 10 -3 normalized effective transient thermal resistance t 1 t 2 p dm r thja =61.2 c/w 0.02 0.1 0.01 0.2 0.5 0.05 drain to source voltage v ds (v) capacitance c (pf) fig8. c - v ds 25 10 15 05 20 30 10 1 10 -2 10 -2 10 -1 10 -1 10 0 10 0 10 1 10 1 10 2 10 2 10 2 10 3 10 4 gate to charge q g (nc) 0 10 6 2 4 8 20 51015 025 fig9. q g - v gs gate to source voltage v gs (v) v ds = 15 v , i d = 14 a f=1mhz c rss c iss single pulse gate to source voltage v gs (v) fig7. r ds(on) - v gs 6 024 8 12 10 0 5 25 15 20 10 drain to source on resistance r ds(on) (m ? ) t j =150 c i d =14a t j =25 c
|