KSMT439N KERSMI ELECTRONIC CO.,LTD. 30V N-channel MOSFET Description This N-channel MOSFETS use advanced trench technology and design to provide excellent RDS(on) with low gate charge. It can be used in a wide variety of applications. Features BVDSS RDSON ID 30V 0.045Ω 6.3A 1) 2) Low gate charge. Green device available. 3) 4) Advanced high cell denity trench technology for ultra RDS(ON) Excellent package for good heat dissipation. Sot-223 Absolute Maximum Ratings TC=25℃,unless otherwise noted Symbol Parameter Ratings Units VDS Drain-Source Voltage 30 VGS Gate-Source Voltage ±8 V V Continuous Drain Current-1 6.3 Continuous Drain Current-T=100℃ 20 Pulsed Drain Current2 — EAS Single Pulse Avalanche Energy3 — PD Power Dissipation4 3 TJ, TSTG Operating and Storage Junction Temperature -55 to Range +150 ID A mJ W ℃ Thermal Characteristics Symbol Parameter Ratings RƟJC Thermal Resistance, Junction to Case1 42 RƟJA Thermal Resistance ,Junction to Ambient1 12 www.kersemi.com Units ℃/W 1 KSMT439N KERSMI ELECTRONIC CO.,LTD. 30V N-channel MOSFET Package Marking and Ordering Information Part NO. Marking Package KSMT439N KSMT439N SOT-223 Electrical Characteristics TC=25℃ Symbol Parameter unless otherwise noted Conditions Min Typ Max Units Off Characteristics BVDSS Drain-Sourtce Breakdown Voltage VDS=0V,ID=250μA 30 — — IDSS Zero Gate Voltage Drain Current VDS=0V, VDS=32V — — 1 IGSS Gate-Source Leakage Current VDS=±20V, VDS=0A — — ±100 v μA nA VDS=VDS, ID=250μA 0.4 0.67 1 V VDS=10V,ID=6A — 0.038 0.045 VDS=2.5V,ID=5A — 0.055 0.072 VDS=5V,ID=12A — 17 — — 500 — — 185 — — 43 — — 6 12 — 10 18 — 30 48 — 10 18 On Characteristics VGS(th) GATE-Source Threshold Voltage RDS(ON) Drain-Source On Resistance² GFS Forward Transconductance Ω S Dynamic Characteristics Ciss Input Capacitance Coss Output Capacitance Crss Reverse Transfer Capacitance VDS=15V,VGS=0V, f=1MHz pF Switching Characteristics — 10.7 15 Gate-Source Charge VGS=4.5V, VDS=20V, — 0.9 — Gate-Drain “Miller” Charge ID=6A — 3.7 — ns ns ns ns nC nC nC — 0.8 1.2 V — — — ns — — — nC td(on) Turn-On Delay Time tr Rise Time td(off) Turn-Off Delay Time tf Fall Time Qg Total Gate Charge Qgs Qgd VDS=20V, VGS=10V,RGEN=3.3Ω Drain-Source Diode Characteristics VSD Source-Drain Diode ForwardVoltage² trr Reverse Recovery Time Qrr Reverse Recovery Charge VGS=0V,IS =1A IF=7A,di/dt=100A/μS Notes: www.kersemi.com 2 KSMT439N KERSMI ELECTRONIC CO.,LTD. 30V N-channel MOSFET 1. The data tested by surface mounted on a 1 inch ²FR-4 board 2OZ copper. 2. The data tested by pulse width≤300us,duty cycle≤2% 3. The EAS data shows Max. rating. The test condition is VDD=25v,VGS=10V,L=0.1mH,iAS=17.8A 4. The power dissipation is limited by 150℃ junction temperature. Typical Characteristics TJ=25℃ Figure 1. On-Region Characteristics Figure 3. Capacitance Characteristics unless otherwise noted Figure 2. Transfer Characteristics Figure 4. On-Resistance Variation vs. Drain Current and Gate Voltage www.kersemi.com 3 KSMT439N KERSMI ELECTRONIC CO.,LTD. 30V Figure 5. Gate Charge Characteristics Figure 7.Breakdown Voltage Variation vs. Temperature N-channel MOSFET Figure 6. Body Diode Forward Voltage Variation vs. Source Current and Temperature Figure 8.Maximum Safe Operating Area Figure 9. Transient Thermal Response Curve www.kersemi.com 4