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| SI6928DQ October 2001 SI6928DQ Dual 30V N-Channel PowerTrench MOSFET General Description This N-Channel MOSFET is a rugged gate version of Fairchild Semiconductor's advanced PowerTrench process. It has been optimized for power management applications requiring a wide range of gate drive voltage ratings (4.5V to 20V). Features * 4 A, 30 V. RDS(ON) = 35 m @ VGS = 10 V RDS(ON) = 50 m @ VGS = 4.5 V * Extended VGSS range (20V) for battery applications * Low gate charge * High performance trench technology for extremely low RDS(ON) * Low profile TSSOP-8 package Applications * Load switch * Motor drive * DC/DC conversion * Power management G2 S2 S2 D2 G1 S1 S1 D1 Pin 1 1 2 3 4 8 7 6 5 TSSOP-8 Absolute Maximum Ratings Symbol VDSS VGSS ID PD TJ, TSTG Drain-Source Voltage Gate-Source Voltage Drain Current - Continuous - Pulsed Maximum Power Dissipation TA=25oC unless otherwise noted Parameter Ratings 30 20 (Note 1a) Units V V A W C 4.0 20 1.3 1.0 -55 to +150 (Note 1a) (Note 1b) Operating and Storage Junction Temperature Range Thermal Characteristics RJA Thermal Resistance, Junction-to-Ambient (Note 1a) (Note 1b) 100 125 C/W Package Marking and Ordering Information Device Marking 6928 Device SI6928DQ Reel Size 13'' Tape width 12mm Quantity 3000 units 2001 Fairchild Semiconductor Corporation SI6928DQ Rev B(W) SI6928DQ Electrical Characteristics Symbol BVDSS BVDSS TJ IDSS IGSSF IGSSR VGS(th) VGS(th) TJ RDS(on) ID(on) gFS Ciss Coss Crss td(on) tr td(off) tf trr Qg Qgt Qgs Qgd IS VSD TA = 25C unless otherwise noted Parameter Drain-Source Breakdown Voltage Breakdown Voltage Temperature Coefficient Zero Gate Voltage Drain Current Gate-Body Leakage, Forward Gate-Body Leakage, Reverse (Note 2) Test Conditions VGS = 0 V, ID = 250 A Min 30 Typ Max Units V Off Characteristics ID = 250 A,Referenced to 25C VDS = 30 V, VGS = 0 V VDS = 30 V,VGS = 0 V,TJ = 55C VGS = 20 V, VDS = 0 V VGS = -20 V VDS = 0 V ID = 250 A 1 1.6 -5 20 26 20 26 830 183 78 6 10 18 5 IF = 1.25 A, VGS = 0 V, dIF/dt = 100A/s VDS = 15 V, VGS = 5 V, ID = 4.0 A VDS = 15 V, VGS = 10 V ID = 4.0 A, 17 8 15 2.8 3 1.25 (Note 2) 20 1 5 100 -100 3 mV/C A nA nA V mV/C 35 50 A S pF pF pF 12 20 32 10 60 14 30 ns ns ns ns ns nC nC nC nC A V m On Characteristics Gate Threshold Voltage Gate Threshold Voltage Temperature Coefficient Static Drain-Source On-Resistance On-State Drain Current Forward Transconductance Input Capacitance Output Capacitance Reverse Transfer Capacitance (Note 2) VDS = VGS, ID = 250 A,Referenced to 25C VGS = 10 V, VGS = 4.5 V, VGS = 10 V, VDS = 15 V, ID = 4.0 A ID = 3.4 A VDS = 5 V ID = 4.0 A Dynamic Characteristics VDS = 15 V, f = 1.0 MHz V GS = 0 V, Switching Characteristics Turn-On Delay Time Turn-On Rise Time Turn-Off Delay Time Turn-Off Fall Time VDD = 15 V, VGS = 10 V, ID = 1 A, RGEN = 6 Reverse Recovery Time Gate Charge Total Gate Charge Gate-Source Charge Gate-Drain Charge Drain-Source Diode Characteristics and Maximum Ratings Maximum Continuous Drain-Source Diode Forward Current Drain-Source Diode Forward Voltage VGS = 0 V, IS = 1.25 A 0.73 1.2 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 RCA is determined by the user's board design. a) RJA is 100C/W (steady state) when mounted on a 1 inch copper pad on FR-4. b) RJA is 125 C/W (steady state) when mounted on a minimum copper pad on FR-4. 2. Pulse Test: Pulse Width < 300s, Duty Cycle < 2.0% SI6928DQ Rev. B (W) SI6928DQ Typical Characteristics 30 2.2 4.5V 4.0V 3.5V RDS(ON), NORMALIZED DRAIN-SOURCE ON-RESISTANCE VGS = 10V 2 1.8 1.6 4.0V 1.4 1.2 1 0.8 0 0.5 1 1.5 2 2.5 3 25 ID, DRAIN CURRENT (A) 20 15 10 5 0 6.0V VGS = 3.5V 4.5V 3.0V 5.0V 6.0V 10V 0 5 10 ID, DRAIN CURRENT (A) 15 20 VDS, DRAIN-SOURCE VOLTAGE (V) Figure 1. On-Region Characteristics. Figure 2. On-Resistance Variation with Drain Current and Gate Voltage. 0.08 RDS(ON), ON-RESISTANCE (OHM) 1.8 RDS(ON), NORMALIZED DRAIN-SOURCE ON-RESISTANCE 1.6 1.4 1.2 1 0.8 0.6 -50 -25 0 25 50 75 100 o ID = 4A VGS =10V ID = 2A 0.07 0.06 0.05 0.04 0.03 TA = 125oC TA = 25oC 0.02 0.01 2 4 6 8 10 VGS, GATE TO SOURCE VOLTAGE (V) 125 150 TJ, JUNCTION TEMPERATURE ( C) Figure 3. On-Resistance Variation with Temperature. 20 Figure 4. On-Resistance Variation with Gate-to-Source Voltage. 100 VDS = 5V ID, DRAIN CURRENT (A) 15 TA = -55 C o IS, REVERSE DRAIN CURRENT (A) 25oC 125oC VGS = 0V 10 TA = 125oC 1 0.1 0.01 0.001 25oC -55oC 10 5 0 1 1.5 2 2.5 3 3.5 4 VGS, GATE TO SOURCE VOLTAGE (V) 0.0001 0 0.2 0.4 0.6 0.8 1 1.2 1.4 VSD, BODY DIODE FORWARD VOLTAGE (V) Figure 5. Transfer Characteristics. Figure 6. Body Diode Forward Voltage Variation with Source Current and Temperature. SI6928DQ Rev. B (W) SI6928DQ Typical Characteristics 10 VGS, GATE-SOURCE VOLTAGE (V) 1200 ID = 4A VDS = 5V 15V 10V CAPACITANCE (pF) 1000 CISS 800 600 400 COSS 200 CRSS 0 0 3 6 9 12 15 8 f = 1MHz VGS = 0 V 6 4 2 0 Qg, GATE CHARGE (nC) 0 5 10 15 20 25 30 VDS, DRAIN TO SOURCE VOLTAGE (V) Figure 7. Gate Charge Characteristics. 100 P(pk), PEAK TRANSIENT POWER (W) Figure 8. Capacitance Characteristics. 50 RDS(ON) LIMIT ID, DRAIN CURRENT (A) 10 100s 1ms 10ms 100ms 1s DC 0.1 VGS = 10V SINGLE PULSE RJA = 125oC/W TA = 25oC 0.001 0.1 1 10 100 VDS, DRAIN-SOURCE VOLTAGE (V) 40 SINGLE PULSE RJA = 125C/W TA = 25C 1 30 20 0.01 10 0 0.001 0.01 0.1 1 t1, TIME (sec) 10 100 1000 Figure 9. Maximum Safe Operating Area. Figure 10. Single Pulse Maximum Power Dissipation. r(t), NORMALIZED EFFECTIVE TRANSIENT THERMAL RESISTANCE 1 D = 0.5 0.2 RJA(t) = r(t) * RJA RJA = 125C/W 0.1 0.1 0.05 0.02 0.01 P(pk) t1 t2 TJ - TA = P * RJA(t) Duty Cycle, D = t1 / t2 0.01 SINGLE PULSE 0.001 0.0001 0.001 0.01 0.1 t1, TIME (sec) 1 10 100 1000 Figure 11. Transient Thermal Response Curve. Thermal characterization performed using the conditions described in Note 1b. Transient thermal response will change depending on the circuit board design. SI6928DQ Rev. B (W) TRADEMARKS 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. ACExTM BottomlessTM CoolFETTM CROSSVOLTTM DenseTrenchTM DOMETM EcoSPARKTM E2CMOSTM EnSignaTM FACTTM FACT Quiet SeriesTM DISCLAIMER FAST (R) FASTrTM FRFETTM GlobalOptoisolatorTM GTOTM HiSeCTM ISOPLANARTM LittleFETTM MicroFETTM MicroPakTM MICROWIRETM OPTOLOGICTM OPTOPLANARTM PACMANTM POPTM Power247TM PowerTrench (R) QFETTM QSTM QT OptoelectronicsTM Quiet SeriesTM SILENT SWITCHER (R) SMART STARTTM STAR*POWERTM StealthTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TinyLogicTM TruTranslationTM UHCTM UltraFET (R) VCXTM STAR*POWER is used under license FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life systems which, (a) are intended for surgical implant into support device or system whose failure to perform can the body, or (b) support or sustain life, or (c) whose be reasonably expected to cause the failure of the life failure to perform when properly used in accordance support device or system, or to affect its safety or with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. 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. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Preliminary First Production No Identification Needed Full Production 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. H4 |
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