SSM9973GM Dual N-channel Enhancement-mode Power MOSFETs BVD2 Simple drive requirement D2 Lower gate charge D1 D1 Fast switching characteristics R I G2 S2 Pb-free; RoHS compliant. SO-8 S1 BVDSS 60V R DS(ON) 80mΩ ID 3.9A G1 DESCRIPTION Advanced Power MOSFETs from Silicon Standard provide the designer with the best combination of fast switching, ruggedized device design, low on-resistance and cost-effectiveness. D2 D1 G2 G1 The SSM9973M is in an SO-8 package, which is widely preferred for commercial and industrial surface mount applications. This device is suitable for low voltage applications such as DC/DC converters. S1 S2 ABSOLUTE MAXIMUM RATINGS Symbol Parameter VDS Drain-Source Voltage VGS Gate-Source Voltage ID @ TA=25°C ID @ TA=70°C Rating Units 60 V ± 20 V 3 3.9 A 3 2.5 A Continuous Drain Current Continuous Drain Current 1 IDM Pulsed Drain Current 20 A PD @ TA=25°C Total Power Dissipation 2 W Linear Derating Factor 0.016 W/°C TSTG Storage Temperature Range -55 to 150 °C TJ Operating Junction Temperature Range -55 to 150 °C THERMAL DATA Symbol Rthj-a 12/10/2004 Rev.2.03 Parameter Thermal Resistance Junction-ambient 3 www.SiliconStandard.com Max. Value Unit 62.5 °C/W 1 of 5 SSM9973GM o ELECTRICAL CHARACTERISTICS @ Tj = 25 C (unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Units 60 - - V BVDSS Drain-Source Breakdown Voltage ∆ BV DSS/∆ Tj Breakdown Voltage Temperature Coefficient Reference to 25°C, ID=1mA - 0.06 - V/°C RDS(ON) Static Drain-Source On-Resistance2 VGS=10V, ID=3.9A - - 80 mΩ VGS=4.5V, ID=2A - - 100 mΩ VDS=VGS, ID=250uA 1 - 3 V VGS(th) Gate Threshold Voltage gfs Forward Transconductance IDSS VDS=10V, ID=3.9A - 3.5 - S o VDS=60V, VGS=0V - - 1 uA o Drain-Source Leakage Current (Tj=70 C) VDS=48V ,VGS=0V - - 25 uA Gate-Source Leakage VGS= ± 20V - - ±100 nA ID=3.9A - 8 13 nC Drain-Source Leakage Current (Tj=25 C) IGSS VGS=0V, ID=250uA 2 Qg Total Gate Charge Qgs Gate-Source Charge VDS=48V - 2 - nC Qgd Gate-Drain ("Miller") Charge VGS=4.5V - 4 - nC VDS=30V - 8 - ns 2 td(on) Turn-on Delay Time tr Rise Time ID=1A - 4 - ns td(off) Turn-off Delay Time RG=3.3Ω , VGS=10V - 20 - ns tf Fall Time RD=30Ω - 6 - ns Ciss Input Capacitance VGS=0V - 700 1120 pF Coss Output Capacitance VDS=25V - 80 - pF Crss Reverse Transfer Capacitance f=1.0MHz - 50 - pF Min. Typ. SOURCE-DRAIN DIODE Symbol Parameter 2 Test Conditions Max. Units VSD Forward On Voltage IS=3.9A, VGS=0V - - 1.2 V trr Reverse Recovery Time IS=3.9A, VGS=0V, - 28 - ns Qrr Reverse Recovery Charge dI/dt=100A/µs - 35 - nC Notes: 1.Pulse width limited by maximum junction temperature. 2.Pulse width <300us, duty cycle <2%. 3.Surface-mounted on 1 in2 copper pad of FR4 board ; 135°C/W when mounted on minimum copper pad. 12/10/2004 Rev.2.03 www.SiliconStandard.com 2 of 5 SSM9973GM 40 30 30 25 20 15 10 20 15 10 V G =3.0V 5 V G =3.0V 5 0 0 0 1 2 3 4 5 6 7 8 0 1 V DS , Drain-to-Source Voltage (V) 4 5 6 7 8 2.5 I D =3.9A I D =3.9A o T A =25 C V G =10V 2.0 Normalized RDS(ON) 90 85 RDS(ON) (mΩ ) 3 Fig 2. Typical Output Characteristics 95 80 75 1.5 1.0 0.5 70 0.0 3 5 7 9 11 -50 0 Fig 3. On-Resistance vs. Gate Voltage 3 2 VGS(th) (V) 2.5 o T j =150 C 100 150 Fig 4. Normalized On-Resistance vs. Junction Temperature 4 2 50 T j , Junction Temperature ( o C) V GS , Gate-to-Source Voltage (V) IS(A) 2 V DS , Drain-to-Source Voltage (V) Fig 1. Typical Output Characteristics T j =25 o C 1 1.5 1 0 0.5 0 0.2 0.4 0.6 0.8 1 1.2 1.4 -50 0 Fig 5. Forward Characteristic of Reverse Diode 50 100 150 T j ,Junction Temperature ( o C) V SD , Source-to-Drain Voltage (V) 12/10/2004 Rev.2.03 10V 6.0V 5.0V 4.5V T A =150 o C 25 ID , Drain Current (A) ID , Drain Current (A) 10V 6.0V 5.0V 4.5V T A =25 o C 35 Fig 6. Gate Threshold Voltage vs. Junction Temperature www.SiliconStandard.com 3 of 5 SSM9973GM VGS , Gate to Source Voltage (V) 14 f=1.0MHz 10000 I D =3.9A 12 V DS =30V V DS =38V V DS =48V 10 1000 Ciss C (pF) 8 6 100 Coss 4 Crss 2 0 0 4 8 12 16 10 20 1 5 Fig 7. Gate Charge Characteristics 13 17 21 25 29 Fig 8. Typical Capacitance Characteristics 1 Normalized Thermal Response (R thja) 100 10 ID (A) 9 V DS , Drain-to-Source Voltage (V) Q G , Total Gate Charge (nC) 1ms 1 10ms 100ms 1s 0.1 o T A =25 C Single Pulse Duty factor=0.5 0.2 0.1 0.1 0.05 PDM 0.02 t T 0.01 Duty factor = t/T Peak Tj = PDM x Rthja + Ta 0.01 Single Pulse Rthja=135℃ ℃ /W DC 0.01 0.001 0.1 1 10 100 1000 0.0001 0.001 0.01 V DS , Drain-to-Source Voltage (V) Fig 9. Maximum Safe Operating Area 0.1 1 10 100 1000 t , Pulse Width (s) Fig 10. Effective Transient Thermal Impedance VG VDS 90% QG 4.5V QGS QGD 10% VGS td(on) tr td(off) tf Fig 11. Switching Time Waveform 12/10/2004 Rev.2.03 Charge Q Fig 12. Gate Charge Waveform www.SiliconStandard.com 4 of 5 SSM9973GM Information furnished by Silicon Standard Corporation is believed to be accurate and reliable. However, Silicon Standard Corporation makes no guarantee or warranty, express or implied, as to the reliability, accuracy, timeliness or completeness of such information and assumes no responsibility for its use, or for infringement of any patent or other intellectual property rights of third parties that may result from its use. Silicon Standard reserves the right to make changes as it deems necessary to any products described herein for any reason, including without limitation enhancement in reliability, functionality or design. No license is granted, whether expressly or by implication, in relation to the use of any products described herein or to the use of any information provided herein, under any patent or other intellectual property rights of Silicon Standard Corporation or any third parties. 12/10/2004 Rev.2.03 www.SiliconStandard.com 5 of 5