FDD4685 40V P-Channel PowerTrench(R) MOSFET -40V, -32A, 27m Features tm General Description Max rDS(on) = 27m at VGS = -10V, ID = -8.4A This P-Channel MOSFET has been produced using Fairchild Semiconductor's proprietary PowerTrench(R) technology to deliver low rDS(on) and good switching characteristic offering superior performance in application. Max rDS(on) = 35m at VGS = -4.5V, ID = -7A High performance trench technology for extremely low rDS(on) RoHS Compliant Application Inverter Power Supplies S D G S G D -PA K TO -2 52 (TO -252) D MOSFET Maximum Ratings TC = 25C unless otherwise noted Symbol VDS Drain to Source Voltage Parameter VGS Gate to Source Voltage Drain Current -Continuous(Package Limited) ID TC= 25C V TC= 25C (Note 1) -40 -Continuous TA= 25C (Note 1a) -8.4 A -100 (Note 3) Power Dissipation TC= 25C Power Dissipation TJ, TSTG 20 -32 -Pulsed PD Units V -Continuous(Silicon Limited) Drain-Source Avalanche Energy EAS Ratings -40 121 69 (Note 1a) Operating and Storage Junction Temperature Range 3 -55 to +150 mJ W C Thermal Characteristics RJC Thermal Resistance, Junction to Case RJA Thermal Resistance, Junction to Ambient 1.8 (Note 1a) 40 C/W Package Marking and Ordering Information Device Marking FDD4685 (c)2006 Fairchild Semiconductor Corporation FDD4685 Rev.B Device FDD4685 Package D-PAK(TO-252) 1 Reel Size 13'' Tape Width 12mm Quantity 2500 units www.fairchildsemi.com FDD4685 40V P-Channel PowerTrench(R) MOSFET October 2006 Symbol Parameter Test Conditions Min Typ Max Units Off Characteristics BVDSS Drain to Source Breakdown Voltage ID = -250A, VGS = 0V BVDSS TJ Breakdown Voltage Temperature Coefficient -40 V ID = -250A, referenced to 25C IDSS Zero Gate Voltage Drain Current VDS = -32V, VGS = 0V -1 A IGSS Gate to Source Leakage Current VGS = 20V, VGS = 0V 100 nA -3 V mV/C -33 On Characteristics (Note 2) VGS(th) Gate to Source Threshold Voltage VGS = VDS, ID = -250A VGS(th) TJ Gate to Source Threshold Voltage Temperature Coefficient ID = -250A, referenced to 25C 4.9 VGS = -10V, ID = -8.4A 23 27 rDS(on) Static Drain to Source On Resistance VGS = -4.5V, ID = -7A 30 35 VGS = -10V, ID = -8.4A, TJ=125C 33 42 VDS = -5V, ID = -8.4A 23 gFS Forward Transconductance -1 -1.6 mV/C m S Dynamic Characteristics Ciss Input Capacitance Coss Output Capacitance Crss Reverse Transfer Capacitance Rg Gate Resistance VDS = -20V, VGS = 0V, f = 1MHz 1790 2380 pF 260 345 pF 140 205 pF f = 1MHz 4 VDD = -20V, ID = -8.4A VGS = -10V, RGEN = 6 8 16 ns 15 27 ns 34 55 ns 14 26 ns 19 27 nC Switching Characteristics td(on) Turn-On Delay Time tr Rise Time td(off) Turn-Off Delay Time tf Fall Time Qg(TOT) Total Gate Charge Qgs Gate to Source Gate Charge Qgd Gate to Drain "Miller" Charge VDD =-20V, ID = -8.4A VGS = -5V 5.6 nC 6.1 nC Drain-Source Diode Characteristics VSD Source to Drain Diode Forward Voltage trr Reverse Recovery Time Qrr Reverse Recovery Charge VGS = 0V, IS = -8.4A (Note 2) IF = -8.4A, di/dt = 100A/s -0.85 -1.2 V 30 45 ns 31 47 nC Notes: 1: RJA is the sum of the junction-to-case and case-to- ambient thermal resistance where the case thermal reference is defined as the solder mounting surface of the drain pins. RJC is guaranteed by design while RJA is determined by the user's board design. a. 40C/W when mounted on a 1 in2 pad of 2 oz copper b. 96C/W when mounted on a minimum pad. 2: Pulse Test: Pulse Width < 300s, Duty cycle < 2.0%. 3: Starting TJ = 25C, L = 3mH, IAS = 9A, VDD = 40V, VGS = 10V. FDD4685 Rev.B 2 www.fairchildsemi.com FDD4685 40V P-Channel PowerTrench(R) MOSFET Electrical Characteristics TJ = 25C unless otherwise noted 80 -ID, DRAIN CURRENT (A) 3.0 PULSE DURATION = 80s DUTY CYCLE = 0.5%MAX NORMALIZED DRAIN TO SOURCE ON-RESISTANCE 100 VGS = -6V VGS = -10V 60 VGS = -4.5V VGS = -4V 40 20 0 0 VGS = -3V 1 2 3 -VDS, DRAIN TO SOURCE VOLTAGE (V) 4 VGS = -4.5V 1.8 VGS = -6V 1.4 0.6 1.2 1.0 0.8 -25 0 25 50 75 100 125 TJ, JUNCTION TEMPERATURE (oC) -IS, REVERSE DRAIN CURRENT (A) -ID, DRAIN CURRENT (A) PULSE DURATION = 80s DUTY CYCLE = 0.5%MAX 40 TJ = 25oC TJ = 150oC TJ = -55oC 1 2 3 4 5 -VGS, GATE TO SOURCE VOLTAGE (V) 6 Figure 5. Transfer Characteristics FDD4685 Rev.B 100 PULSE DURATION = 80s DUTY CYCLE = 0.5%MAX 50 TJ = 125oC 40 30 TJ = 25oC 2 3 4 5 6 7 8 9 -VGS, GATE TO SOURCE VOLTAGE (V) 10 Figure 4. On-Resistance vs Gate to Source Voltage 60 0 80 60 20 150 100 20 20 40 60 -ID, DRAIN CURRENT(A) ID = -8.4A Figure 3. Normalized On Resistance vs Junction Temperature 80 0 70 ID =-8.4A VGS = -10V 1.4 0.6 -50 VGS = -10V 1.0 Figure 2. Normalized On-Resistance vs Drain Current and Gate Voltage rDS(on), DRAIN TO SOURCE ON-RESISTANCE (m) NORMALIZED DRAIN TO SOURCE ON-RESISTANCE 1.6 PULSE DURATION = 80s DUTY CYCLE = 0.5%MAX VGS = -4V 2.2 Figure 1. On Region Characteristics 1.8 VGS = -3V 2.6 40 VGS = 0V 10 TJ = 150oC TJ = 25oC 1 TJ = -55oC 0.1 0.4 0.6 0.8 1.0 -VSD, BODY DIODE FORWARD VOLTAGE (V) 1.2 Figure 6. Source to Drain Diode Forward Voltage vs Source Current 3 www.fairchildsemi.com FDD4685 40V P-Channel PowerTrench(R) MOSFET Typical Characteristics TJ = 25C unless otherwise noted -VGS, GATE TO SOURCE VOLTAGE(V) 10 4 10 VDD = -10V Ciss CAPACITANCE (pF) 8 VDD = -20V 6 VDD = -30V 4 2 0 3 10 Coss 2 10 Crss f = 1MHz VGS = 0V 1 0 10 20 30 Qg, GATE CHARGE(nC) 10 0.1 40 Figure 7. Gate Charge Characteristics 50 Figure 8. Capacitance vs Drain to Source Voltage 10 9 8 7 6 5 50 TJ = 4 -ID, DRAIN CURRENT (A) -IAS, AVALANCHE CURRENT(A) 1 10 -VDS, DRAIN TO SOURCE VOLTAGE (V) 25oC 3 TJ = 125oC 2 40 VGS = -10V 30 20 Limited by Package VGS = -4.5V 10 o RJC = 1.8 C/W 1 0.01 0.1 1 10 tAV, TIME IN AVALANCHE(ms) 0 100 P(PK), PEAK TRANSIENT POWER (W) -ID, DRAIN CURRENT (A) 100us 10 1ms 0.1 10ms 1 DC 10 100 -VDS, DRAIN to SOURCE VOLTAGE (V) Figure 11. Forward Bias Safe Operating Area FDD4685 Rev.B 100 125 150 Figure 10. Maximum Continuous Drain Current vs Case Temperature 200 SINGLE PULSE TJ = MAX RATED TC = 25OC 75 o 100 OPERATION IN THIS AREA MAY BE LIMITED BY rDS(on) 50 TC, CASE TEMPERATURE ( C) Figure 9. Unclamped Inductive Switching Capability 1 25 300 FOR TEMPERATURES 250 VGS = -10V 200 ABOVE 25oC DERATE PEAK CURRENT AS FOLLOWS: I = I25 150 150 - T c ----------------------125 Tc = 25oC 100 SINGLE PULSE 50 -3 10 -2 10 -1 10 t, PULSE WIDTH (s) 0 1 10 10 Figure 12. Single Pulse Maximum Power Dissipation 4 www.fairchildsemi.com FDD4685 40V P-Channel PowerTrench(R) MOSFET Typical Characteristics TJ = 25C unless otherwise noted NORMALIZED THERMAL IMPEDANCE, ZJC 2 1 0.1 0.01 1E-3 -5 10 DUTY CYCLE-DESCENDING ORDER D = 0.5 0.2 0.1 0.05 0.02 0.01 PDM t1 t2 SINGLE PULSE -4 10 NOTES: DUTY FACTOR: D = t1/t2 PEAK TJ = PDM x ZJC x RJC + TC -3 -2 10 10 -1 10 0 10 1 10 t, RECTANGULAR PULSE DURATION (s) Figure 13. Transient Thermal Response Curve FDD4685 Rev.B 5 www.fairchildsemi.com FDD4685 40V P-Channel PowerTrench(R) MOSFET Typical Characteristics TJ = 25C unless otherwise noted The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. FACT Quiet SeriesTM GlobalOptoisolatorTM GTOTM HiSeCTM I2CTM i-LoTM ImpliedDisconnectTM IntelliMAXTM ISOPLANARTM LittleFETTM MICROCOUPLERTM MicroFETTM MicroPakTM MICROWIRETM MSXTM MSXProTM Across the board. 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A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. I20 FDD4685 Rev. B 6 www.fairchildsemi.com FDD4685 40V P-Channel PowerTrench(R) MOSFET TRADEMARKS