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| WTK9431 Surface Mount P-Channel Enhancement Mode MOSFET D P b Lead(Pb)-Free DRAIN CURRENT -3.5 AMPERES DRAIN SOURCE VOLTAGE -20 VOLTAGE 1 3 S S 8 7 D 2 D 6 S Features: * Super high dense * Cell design for low RDS(ON) * RDS(ON)<130m @V GS = -4.5V * RDS(ON)<180m @V GS = -2.5V * Simple Drive Requirement * Lower On-resistance * Fast Switching D G 4 5 1 Description: SOP-8 The WTK9431 provide the designer with the best combination of fast switching, ruggedized device design, low on-resistance and cost-effectiveness. The SOP-8 package is universally preferred for all commercial-industrial surface mount applications and suited for low voltage applications such as DC/DC converters. Maximum Ratings (TA=25C Unless Otherwise Specified) Rating Drain-Source Voltage Gate-Source Voltage Continuous Drain Current(3) (TA =25C) (TA =70C) Symbol VDS VGS ID IDM PD R JA TJ Tstg Value -20 8 -3.5 -2.8 -18 2.5 50 +150 -55 to +150 Unite V V A A W C/W C C Pulsed Drain Current(1,2) Power Dissipation Maximax Junction-to-Ambient Operating Junction Temperature Range Storage Temperature Range Device Marking WTK9431=9431SC http://www.weitron.com.tw WEITRON 1/5 07-Nov-08 WTK9431 Electrical Characteristics(TA =25C Unless otherwise noted) Static Characteristic Symbol V(BR)DSS VGS (th) IGSS IDSS Min -20 -0.4 - Typ - Max -1.0 + -100 -1 -25 130 180 Unit V V nA A Drain-Source Breakdown Voltage VGS=0V, ID=-250 A Gate-Source Threshold Voltage VDS=VGS, ID=-250 A Gate-Source Leakage Current + VDS=0V, VGS=-8V Zero Gate Voltage Drain Current VDS=-16V, VGS=0V VDS=-12V, VGS=0V Drain-Source On-Resistance(2) VGS=-10V, ID=-5.3A VGS=-4.5V, ID=-4.2A Forward Transconductance(2) VDS=-5V, ID=-3.5A - R DS(on) gfs - 6.5 m S - Dynamic Input Capacitance VDS=-10V, VGS=0V, f=1MHZ Output Capacitance VDS=-10V, VGS=0V, f=1MHZ Reverse Transfer Capacitance VDS=-10V, VGS=0V, f=1MHZ Ciss Coss Crss - 405 170 45 PF Switching Turn-On Delay Time(2) VDD = -5V, ID = -1A, VGS = -4.5V, RG = 6 Rise Time VDD = -5V, ID = -1A, VGS = -4.5V, RG = 6 Turn-O Time VDD = -5V, ID = -1A, VGS = -4.5V, RG = 6 Fall Time VDD = -5V, ID = -1A, VGS = -4.5V, RG = 6 Total Gate Charge(2) VDS=-5V, ID=-5.3A,VGS=-4.5V Gate-Source Charge VDS=-5V, ID=-5.3A,VGS=-4.5V Gate-Drain Charge VDS=-5V, ID=-5.3A,VGS=-4.5V Drain-Source Diode Forward Voltage(2) VGS=0V, IS=-2.1A Continuous Source Current (Body Diode) VD=VG=0V, VS=-1.2V t tf Qg Qgs Qgd td(on) tr ) - 6.5 20 31 21 6 0.8 1.3 - - nS nS nS nS nc nc nc V A - 8.5 -1.2 -2.1 VSD IS Notes: 1. Pulse width limited by Max. junction temperature. 2. Pulse width 300s, duty cycle 2%. 3. Surface mounted on 1 in2 copper pad of FR4 board; 125C/W when mounted on Min. copper pad. http://www.weitron.com.tw WEITRON 2/5 07-Nov-08 WTK9431 Characteristics Curve WEITRON http://www.weitron.com.tw WEITRON 3/5 07-Nov-08 WTK9431 WEITRON http://www.weitron.com.tw WEITRON 4/5 07-Nov-08 WTK9431 SOP-8 Package Outline Dimensions Unit:mm 1 L E1 D 7 (4X) A C 7(4X) 2A A1 e B eB SYMBOLS A A1 B C D E1 Be e L MILLIMETERS MAX MIN 1.75 1.35 0.20 0.10 0.45 0.35 0.18 0.23 4.69 4.98 3.56 4.06 5.70 6.30 1.27 BSC 0.60 0.80 0 8 http://www.weitron.com.tw WEITRON 5/5 07-Nov-08 |
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