US2403 P-Ch 20V Fast Switching MOSFETs General Description Product Summery The US2403 is the highest performance trench P-ch MOSFETs with extreme high cell density , which provide excellent RDSON and gate charge for most of the small power switching and load switch applications. The US2403 meet the RoHS and Green Product requirement , with full function reliability approved. BVDSS RDS(ON) ID -20V 55mΩ -3.6A Applications z High Frequency Point-of-Load Synchronous Buck Converter for MB/NB/UMPC/VGA z Networking DC-DC Power System z Load Switch Features z Advanced high cell density Trench technology SOT 23 Pin Configuration z Super Low Gate Charge z Excellent CdV/dt effect decline z Green Device Available Absolute Maximum Ratings Symbol Parameter VDS VGS ID@TA=25℃ ID@TA=70℃ IDM Rating Units Drain-Source Voltage -20 V Gate-Source Voltage ±8 V 1 -3.6 A 1 -3 A -14.4 A Continuous Drain Current, VGS @ -4.5V Continuous Drain Current, VGS @ -4.5V Pulsed Drain Current 2 3 PD@TA=25℃ Total Power Dissipation 1 W TSTG Storage Temperature Range -55 to 150 ℃ TJ Operating Junction Temperature Range -55 to 150 ℃ Thermal Data Symbol Parameter RθJA Thermal Resistance Junction-Ambient RθJC 1 Thermal Resistance Junction-Case 1 1 Typ. Max. Unit --- 125 ℃/W --- 80 ℃/W US2403 P-Ch 20V Fast Switching MOSFETs Electrical Characteristics (TJ=25 ℃, unless otherwise noted) Symbol BVDSS Parameter Conditions Drain-Source Breakdown Voltage △BVDSS/△TJ BVDSS Temperature Coefficient RDS(ON) Static Drain-Source On-Resistance2 VGS(th) Gate Threshold Voltage Min. Typ. Max. Unit VGS=0V , ID=-250uA -20 --- --- V Reference to 25℃ , ID=-1mA --- -0.016 --- V/℃ VGS=-4.5V , ID=-3A --- 44 55 VGS=-2.5V , ID=-2A --- 56 70 VGS=-1.8V , ID=-1A mΩ --- 73 85 -0.3 -0.5 -1.0 V --- 3.97 --- mV/℃ VDS=-16V , VGS=0V , TJ=25℃ --- --- -1 VDS=-16V , VGS=0V , TJ=55℃ --- --- -5 VGS=VDS , ID =-250uA △VGS(th) VGS(th) Temperature Coefficient IDSS Drain-Source Leakage Current IGSS Gate-Source Leakage Current VGS=±8V , VDS=0V --- --- ±100 nA gfs Forward Transconductance VDS=-5V , ID=-3A --- 14 --- S Qg Total Gate Charge (-4.5V) --- 12.1 16.9 Qgs Gate-Source Charge --- 1.5 2.1 Qgd Gate-Drain Charge --- 3.1 4.3 8.8 Td(on) VDS=-15V , VGS=-4.5V , ID=-3A Turn-On Delay Time uA nC --- 4.4 Rise Time VDD=-10V , VGS=-4.5V , --- 45 81 Turn-Off Delay Time RG=3.3Ω, ID=-3A --- 48.4 97 Fall Time --- 30.4 60.8 Ciss Input Capacitance --- 938 1313 Coss Output Capacitance --- 108 151 Crss Reverse Transfer Capacitance --- 96 134 Min. Typ. Max. --- --- -3.6 A --- --- -14.4 A --- --- -1 V --- 28 --- nS --- 9 --- nC Tr Td(off) Tf VDS=-15V , VGS=0V , f=1MHz ns pF Diode Characteristics Symbol Parameter Conditions 1,4 IS Continuous Source Current ISM Pulsed Source Current VSD Diode Forward Voltage2 trr Reverse Recovery Time Qrr Reverse Recovery Charge 2,4 VG=VD=0V , Force Current VGS=0V , IS=-1A , TJ=25℃ IF=-3A , dI/dt=100A/µs , TJ=25℃ Note : 2 1.The data tested by surface mounted on a 1 inch FR-4 board with 2OZ copper. 2.The data tested by pulsed , pulse width ≦ 300us , duty cycle ≦ 2% 3.The power dissipation is limited by 150℃ junction temperature 4.The data is theoretically the same as ID and IDM , in real applications , should be limited by total power dissipation. 2 Unit US2403 P-Ch 20V Fast Switching MOSFETs Typical Characteristics 100 25 -ID=3A VGS=-5V VGS=-4.5V RDSON (mΩ) -ID Drain Current (A) 20 VGS=-3V 15 VGS=-2.5V 10 80 60 VGS=-1.8V 5 40 0 0 1 2 -VDS , Drain-to-Source Voltage (V) 1 3 Fig.1 Typical Output Characteristics 2 3 -VGS (V) 4 5 Fig.2 On-Resistance vs. G-S Voltage -IS Source Current(A) 4 3 TJ=150℃ TJ=25℃ 2 1 0 0 0.2 0.4 0.6 0.8 1 -VDS , Drain-to-Source Voltage (V) Fig.3 Forward Characteristics of Reverse Fig.4 Gate-Charge Characteristics 1.8 Normalized On Resistance 1.8 Normalized VGS(th) 1.4 1 0.6 0.2 1.4 1.0 0.6 0.2 -50 0 50 100 150 -50 TJ ,Junction Temperature (℃ ) 0 50 100 TJ , Junction Temperature (℃) Fig.5 Normalized VGS(th) vs. TJ Fig.6 Normalized RDSON vs. TJ 3 150 US2403 P-Ch 20V Fast Switching MOSFETs 10000 100.00 10ms -ID (A) Capacitance (pF) 1000 100us 10.00 Ciss 1.00 100ms Coss 100 1s Crss 0.10 DC TA=25℃ Single Pulse F=1.0MHz 0.01 10 1 6 11 -VDS (V) 15 0.1 20 1 Fig.7 Capacitance 10 -VDS (V) 100 Fig.8 Safe Operating Area Normalized Thermal Response (R θJA) 1 DUTY=0.5 0.2 0.1 0.1 0.05 0.02 0.01 0.01 PDM 0.001 TON SINGLE PULSE T D = TON/T TJpeak = TA + PDM x RθJA 0.0001 0.0001 0.001 0.01 0.1 1 10 100 t , Pulse Width (s) Fig.9 Normalized Maximum Transient Thermal Impedance Fig.10 Switching Time Waveform Fig.11 Gate Charge Waveform 4 1000