SDM9926A

S DM9926A S amHop Microelectronics C orp. November , 2002 Dual N-C hannel E nhancement Mode Field E ffect Transistor P R ODUC T S UMMAR Y V DS S 2 0V F E AT UR E S ( m W ) TYP ID 6A R DS (ON) S uper high dense cell design for low R DS (ON ). 26 @ V G S = 4 .0V 35 @ V G S = 2 .5V R ugged and reliable. S urface Mount P ackage. D1 8 D1 7 D2 6 D2 5 S O-8 1 1 2 3 4 S1 G1 S 2 G2 A BS OLUTE MAXIMUM R ATINGS (T A=25 C unless otherwise noted) P arameter Drain-S ource Voltage Gate-S ource Voltage Drain C urrent-C ontinuous a @ T J =125 C b -P ulsed (300us Pulse Width) Drain-S ource Diode Forward C urrent a Maximum P ower Dissipation a Operating Junction and S torage Temperature R ange S ymbol V DS V GS ID IDM IS PD T J , T S TG Limit 20 8 6 .0 35 1.7 2 -55 to 150 Unit V V A A A W C THE R MAL C HAR AC TE R IS TIC S Thermal R esistance, Junction-to-Ambient a R JA 62.5 C /W 1 S DM9926A E LE CTR ICAL CHAR ACTE R IS TICS (T A = 2 5 C unless otherwise noted) Parameter OFF CHAR ACTE R IS TICS Drain-S ource Breakdown Voltage Zero Gate Voltage Drain Current Gate-Body Leakage BV DS S IDS S IGS S V GS (th) R DS (ON) ID(ON) gFS C IS S C OS S CRSS c S ymbol Condition V GS = 0V, ID = 250uA V DS = 20V, V GS = 0V V GS = 8V,V DS = 0V V DS = V GS , ID = 250uA V GS = 4.0V, ID = 6.0A V GS =2.5V, ID = 5.2A V DS = 5V, V GS = 4.5V V DS = 10V, ID = 6.0A Min Typ C Max Unit 20 1 V uA 100 nA 0.6 26 35 20 17 720 320 90 30 40 V m ohm ON CHAR ACTE R IS TICS b Gate Threshold Voltage Drain-S ource On-S tate R esistance On-S tate Drain Current Forward Transconductance A S PF PF PF DYNAMIC CHAR ACTE R IS TICS c Input Capacitance Output Capacitance R everse Transfer Capacitance V DS =8V, V GS = 0V f =1.0MH Z S WITCHING CHAR ACTE R IS TICS Turn-On Delay Time R ise Time Turn-Off Delay Time Fall Time Total Gate Charge Gate-S ource Charge Gate-Drain Charge tD(ON) tr tD(OFF) tf Qg Q gs Q gd V DD = 10V, ID = 1A, V GE N = 4.5V, R L = 10 ohm R GEN = 6 ohm V DS =10V, ID = 6A, V GS =4.5V 2 20 18 50 25 13.5 3 2 40 35 100 50 17 ns ns ns ns nC nC nC S DM9926A E LE CTR ICAL CHAR ACTE R IS TICS (T A=25 C unless otherwise noted) Parameter 5 Diode Forward Voltage S ymbol VSD Condition V GS = 0 V, Is =1.7A Min Typ Max Unit 0.72 1.2 V C DR AIN-S OUR CE DIODE CHAR ACTE R IS TICS b Notes a.S urface Mounted on FR 4 Board, t 10sec. b.Pulse Test:Pulse Width 300us, Duty Cycle 2%. c.Guaranteed by design, not subject to production testing. 25 V G S =4.5,3.5,2.5V 20 20 25 -55 C 25 C ID , Drain C urrent(A) I D , Drain C urrent (A) T j=125 C 15 15 10 V G S =1.5V 5 0 10 5 0 0.0 0 1 2 3 4 5 6 0.5 1 1.5 2 2.5 3 V DS , Drain-to-S ource Voltage (V ) V G S , G ate-to-S ource Voltage (V ) F igure 1. Output C haracteris tics R DS (ON) , On-R es is tance(Ohms ) 3000 2500 2.2 1.8 1.4 1.0 0.6 0.2 0 F igure 2. Trans fer C haracteris tics V G S =4V I D =6A C , C apacitance (pF ) 2000 1500 1000 500 0 C is s C os s C rs s 0 2 4 6 8 10 12 -50 -25 0 25 50 75 100 125 T j( C ) V DS , Drain-to S ource Voltage (V ) F igure 3. C apacitance F igure 4. On-R es is tance Variation with Temperature 3 S DM9926A B V DS S , Normalized Drain-S ource B reakdown V oltage V th, Normalized G ate-S ource T hres hold V oltage 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 -50 -25 0 25 50 75 100 125 V DS =V G S I D =250uA 1.15 I D =250uA 1.10 1.05 1.00 0.95 0.90 0.85 -50 -25 0 25 50 75 100 125 T j, J unction T emperature ( C ) T j, J unction T emperature ( C ) F igure 5. G ate T hres hold V ariation with T emperature 36 F igure 6. B reakdown V oltage V ariation with T emperature 20 gF S , T rans conductance (S ) 24 18 12 6 0 0 3 6 9 12 15 V DS =10V Is , S ource-drain current (A) 30 10 1 0 0.4 0.6 0.8 1.0 T J =25 C 1.2 1.4 I DS , Drain-S ource C urrent (A) V S D , B ody Diode F orward V oltage (V ) F igure 7. T rans conductance V ariation with Drain C urrent 5 I D , Drain C urrent (A) F igure 8. B ody Diode F orward V oltage V ariation with S ource C urrent 50 V G S , G ate to S ource V oltage (V ) 4 3 2 1 0 0 V DS =10V I D =6A 10 RD S ( ) ON L im it 10 10 0m s ms 11 DC 1s 0.1 0.03 V G S =4.5V S ingle P ulse T c=25 C 0.1 1 10 20 50 2 4 6 8 10 12 14 1 6 Q g, T otal G ate C harge (nC ) V DS , Drain-S ource V oltage (V ) F igure 9. G ate C harge F igure 10. Maximum S afe O perating Area 4 S DM9926A V DD ton V IN D VG S R GE N G 90% 5 toff tr 90% RL V OUT td(on) V OUT td(off) 90% 10% tf 10% INVE R TE D S V IN 50% 10% 50% P ULS E WIDTH F igure 11. S witching T es t C ircuit F igure 12. S witching Waveforms 2 r(t),Normalized E ffective T ransient T hermal Impedance 1 Duty C ycle=0.5 0.2 0.1 0.1 0.05 0.02 S ingle P uls e 0.01 10 -4 P DM t1 1. 2. 3. 4. 10 -2 t2 R thJ A ( t)=r (t) * R thJ A R thJ A =S ee Datas heet T J M-T A = P DM* R thJ A ( t) Duty C ycle, D=t1/t2 10 100 10 -3 10 -1 1 S quare Wave P uls e Duration (s ec) F igure 13. Normalized T hermal T rans ient Impedance C urve 5